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L&T Electrical & Automation OMEGA Manual
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L&T Electrical & Automation OMEGA Manual

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Summary of Contents for L&T Electrical & Automation OMEGA

  • Page 1 Safeguard your systems from electrical turbulence...
  • Page 2 Stabilise systems with technology.
  • Page 3 Weather electrical storms with reliability. Electrical power is the lifeline of industry, but it is OMEGA ACB range consists of highly compact units unpredictable. Just like an ocean, it can be calm one designed for high current, high power applications in moment and turbulent the next.
  • Page 4 Change course quickly.
  • Page 5 Meet new challenges easily. The OMEGA ACB range has been designed to adapt to • Let your systems have better co-ordination changes in your requirements, and allow you to modify with protection devices and downstream loads, or upgrade your systems with ease. This means...
  • Page 6 Match performance with prudence.
  • Page 7 Move ahead, swiftly and safely. Negating human error with safety features OMEGA ACBs offer you the best of both worlds – high performance coupled with a range of exclusive features • No Arc-chute, No closure: Unique features like that deliver the highest level of electrical safety.
  • Page 8 Adopt technological brilliance.
  • Page 9 Enjoy total peace of mind. E&A 's wide range of Electrical Standard Products OMEGA ACBs are loaded with superior technology, includes powergear, controlgear, energy management across three frame sizes for the entire current range from 400A to 6300A. These features, including devices, building electrical and automation products –...
  • Page 10 Keep an eye on upkeep.
  • Page 11 800V AC/1000V AC Rated Voltage Applications: Specially designed OMEGA ACB range offers a solution for electrical applications with system voltages of 800V and 1000V AC. This range of ACBs maintain the same dimension and accessories as the standard 690V AC range. This range of ACBs is available with LSI and LSING Protections through following Microprocessor Releases - 1) MTX1.0 - LSI Protection...
  • Page 12 UW1-08S 3 POLE 800A U imp 12kV 400 / 440 V~ 65 kA 500 / 550 V~ 55 kA 660 / 690 V~ 50 kA 65 kA 1.0 s 36 kA 3.0 s CAT.B 50 Hz / 60 Hz...
  • Page 13 INDEX Air Circuit Breakers Matrix Protection & Control Units Accessories Control Circuit Wiring Mounting & Termination ACB Ordering Information...
  • Page 14 U 1-08S 40 / 440 65 kA 55 kA 50 / 550 690 V ~ 50 kA 660 / 65 kA 1. s 36 kA 3. s IS/IE 60947-2 60947 2 - 60947-2 Su ab l e f r 0° C MA D IN IN I U 1-0 S...
  • Page 15 ACBs UW 1-0 8S 40 / 440 V ~ 50 / 550 V ~ 66 / 6 0 V 65 kA 1.0 s 36 kA 3.0 s 60 47 9 -2 IS IE 60947 -2 60947 -2 it a le fo 5 r 0°...
  • Page 16 Technical Data Sheet Circuit Breaker upto 690V AC : Frame Rated Uninterrupted Current (In) (A) at 50 C 2500 400-5000 6300 400-2000 400-4000 Version upto 690V AC Rated Operational Voltage at 50/60 Hz. Rated Insulation Voltage at 50/60 Hz. 1000V AC Rated Impulse withstand Voltage 12kV (Main Circuit) &...
  • Page 17 Technical Data Sheet Circuit Breaker 800V AC & 1000V AC : Frame Rated Uninterrupted Current (In) (A) at 50 C 400-6300 400-3200 400-2000 400-3200 Version Rated Operational Voltage at 50/60 Hz. 800V AC 1000V AC Rated Insulation Voltage at 50/60 Hz. 1000V AC 1250V AC 12kV (Main circuit) &...
  • Page 18 Technical Data Sheet Circuit breaker upto 690V AC: H : Height W : Width D : Depth with flat terminals Rating Specification Parameters for 50% N ACB Frame Version Rated Uninterrupted Current at 50 C In (A) 4000 3200-6300 Fixed ACB W (mm) Dimensions Draw out ACB...
  • Page 19 Identification UV Release Closing Release Shunt Release 415~,400V 415~,400V 415~,400V UW1-08S 3 POLE 800A imp 12kV I cs 400 / 440 V ~ 65 kA 55 kA 500 / 550 V ~ 660 / 690 V ~ 50 kA DISCHARGED 65 kA 1.0 s I cw 36 kA 3.0 s...
  • Page 20 Breaker Details Breaker: Protection & Control Unit Electrical Charging Device 3a Auxiliary Contacts Under-voltage Release 4c Under-voltage Release Controller Closing Release Shunt Release Ready-To-Close (Microswitch) 8b Secondary Isolating Contacts on Breaker 10 Operation Counter 12 ON-OFF Indication 13 Spring Status Indication 14 Charging Handle 21 Arc-Chute 24b Lifting Location on Breaker...
  • Page 21 Cradle Details Cradle: 3e Hole for Earthing Connection 19 Position Lock – 1 34 Guide for routing Control Wiring Jaw Contacts 20 Position Lock – 2 35 Terminal Supports 8c Secondary Isolating Contacts 22 Arc-Shield on Cradle 36 Cradle Bottom cross- 23 Rating Error-Preventer component 8e Electrical Position Indication...
  • Page 22 Option of customized neutral configuration ( For 100%N only) 2m/3m/5m Bowden wire mechanical interlocking kit facilitates ease of mechanical interlocking among various frames of Fixed / Draw-out / Mixed versions of Omega ACBs Minimum 45mm* (Without Temperature Module) clearance above breaker facilitating Compact Multi-tier Switchboard design Best in class (40mm) Termination overlap with Bus bars.
  • Page 23 ACB “A Basket of Benefits” Superior Safety & Security: Inbuilt Electrical & Mechanical Anti-pumping prevents multiple breaker closures due to persistent closing commands Arc-Chute interlocking prevents the closure of ACB if arc-chute is missing or not properly installed Smart-racking shutter interlock ensures that breaker is switched-off before it is being racked-out Unique True Ready-To-Close (RTC) gives electrical signal after ensuring that:...
  • Page 24 ACB “A Basket of Benefits” Closing of ACB only in distinct Service/Test/Isolated positions ensures safety of the operating personnel Door-Racking interlock prevents rack-in/rack-out operation of breaker if panel door is open Modular safety-shutters to prevent unintended contact with terminals Rating Error-preventer avoids the breaker-cradle mismatch of rated current &...
  • Page 25 In OMEGA, closing release consists of an electronic circuit to ensure no watt loss, inspite of continuous power supply, thus saving energy.
  • Page 26 Matrix Protection & Control Units...
  • Page 27 Matrix Release Family UW-MTX4.5 UW-MTX3.5 H UW-MTX 1Gi UW-MTX 4.5 Advanced Version UW-MTX 1.5Gi UW-MTX 3.5H UW-MTX 1G UW-MTX 1.5G UW-MTX 3.5/3.5EC UW-MTX 1Gi/1.5Gi UW-MTX 1.0/1G/1.5G Basic Version...
  • Page 28 Matrix Release "A basket of benefits" 1) State-of-the-art touch-screen technology in Matrix 4.5 releases offer ease of navigation 2) Unique withdrawable power metering & communication modules offer ease of flexibility, scalability & customization of electrical systems 3) Option of both Modbus & Profibus industrial communication protocols 4) Zigbee offers wireless monitoring parameters of Matrix releases &...
  • Page 29 Matrix Release "Innovation in Imagineering" UW-MTX3.5EC UW-MTX4.5 Indicator LEDs Indicator LEDs Touch-Screen Navigation Navigation Keys Escape Key Self-test Query Key Test Port Modbus/Profibus/Zigbee Smart Card Module Metering Module O-LED Display Indicator LEDs BCD Switches DIP-Switches Self-test Query...
  • Page 30 Matrix "Redefining Modularity" Matrix releases designed for “Flexibility, Scalability & Customization” offer wide variety of withdrawable modules such as Modbus, Profibus, Zigbee, Smart Configurator & Power metering. To start with one can go for a basic version of MTX3.5 release and based on future needs and system demands, one can upgrade the protection release with Power metering &...
  • Page 31 Matrix Protection and Control Units UW-MTX 1G UW-MTX 1Gi UW-MTX 1.5G UW-MTX 1.5Gi UW-MTX1.0 UW-MTX1G/1Gi UW-MTX1.5G/1.5Gi Features: • Overload, Short-circuit & • I t ON curve for Short-circuit • Inbuilt rating-plug through Instantaneous protection with & Earth-fault protection DIP switches adjustable current &...
  • Page 32 Matrix Protection and Control Units UW-MTX4.5 UW-MTX3.5 H UW-MTX4.5 UW-MTX3.5/3.5EC/3.5H Overload - Phase Overload - Neutral Short-Circuit Basic Protection Directional Short-Circuit Instantaneous Earth-Fault Current Voltage Frequency Additional Protection Reverse Power Maximum Demand Last 20 trip data Trip Records Event Records Last 10 Event Data Smart Card Modbus...
  • Page 33 Matrix Protection and Control Units UW-MTX3.5/3.5EC Overload, Short-circuit and Advance protection - ZSI, TCS, — — Earth-fault protection with REF & EL variable current & time delay Communication through UW-MTX3.5EC — setting Modbus, Profibus & wireless Instantaneous protection Zigbee — Smart Configurator module I t, I t, SI, LI/VI protection —...
  • Page 34 Matrix Protection and Control Units UW-MTX4.5 Oscillograph of fault current waveforms — (10 cycles before pick-up/Trip & 5 cycles Overload, Short-circuit and Earth-fault after pick-up/Trip) — protection with variable current & time Metering of sequence components of — delay setting UW-MTX4.5 current waveform, form factor, peak I t, I t, SI, LI/VI protection curves...
  • Page 35 Matrix Protection and Control Units Basic protection in UW-MTX 3.5/3.5EC/3.5H/4.5 Series Parameter UW-MTX3.5 UW-MTX3.5EC UW-MTX3.5H UW-MTX3.5H/4.5 Protection : Enable/Disable Pick-Up (Ir)=In x ...for I t, l t, SI, LI/VI 0.4 to 1 In in step of 0.05 Overload (Phase) Delay(tr) in s 0.5-1-2-4-6-12-18-24-30 Pre-alarm 0.5 to 0.95 in step of 0.05 x lr...
  • Page 36 Matrix Protection and Control Units Advanced protection in UW-MTX 3.5/3.5EC/3.5H/4.5 Series Parameter UW-MTX3.5* UW-MTX3.5EC UW-MTX3.5H UW-MTX 4.5 Protection: Enable/Disable Pick-Up=lr x ... 0.2 to 0.8 in step of 0.05 Under Current Delay 1 to 255sec in step of 1sec Mode: Trip/Alarm/Both Protection: Enable/Disable Pick-Up=ln x ...
  • Page 37 Matrix Protection and Control Units Advanced Protection in UW-MTX 3.5/3.5EC/3.5H/4.5 Series Parameter UW-MTX3.5* UW-MTX3.5EC UW-MTX3.5H UW-MTX4.5 Protection: Enable/Disable Pick-Up=Pf x ... 0.5 to 0.99 in step of 0.01 Leading PF Delay 1/2/3/4/5 s Mode: Trip/Alarm/Both Protection: Enable/Disable Pick-Up=Pf x ... 0.5 to 0.99 in step of 0.01 Lagging PF Delay...
  • Page 38 Matrix Protection Curves Overload - I t (UW-MTX 10000 1000 30 sec 24 sec 18 sec 12 sec 6 sec 4 sec Instantaneous 2 sec (UW-MTX 1 sec 0.5 sec 10000 8 9 10 Current Multiples (x Ir) Tolerance Trip Time: ±20% 0.01 0.01 Current Multiples (x In)
  • Page 39 Matrix Protection Curves Short-Circuit - I t ON (UW-MTX 1.0/1G/1Gi/1.5G/1.5Gi/3.5/3.5EC/3.5H/4.5) 10000 1000 Short-Circuit - I t OFF (UW-MTX 1.0/1G/1Gi/1.5G/1.5Gi/3.5/3.5EC/3.5H /4.5 0.02 10000 0.01 0.01 Current Multiples (x In) Tolerance Trip Time: ±20% 1000 0.02 0.01 Current Multiples (x In) Tolerance Trip Time: ±20%...
  • Page 40 Matrix Protection Curves Ground Fault t ON (UW-MTX 1.0/1G/1Gi/1.5G/1.5Gi/3.5/3.5EC/3.5H/4.5) 10000 1000 Ground Fault t OFF 0.4 s (UW-MTX 1.0/1G/1Gi/1.5G/1.5Gi/3.5/3.5EC/3.5H/4.5) 1000 0.1 s 0.01 0.01 Current Multiples (x In) Tolerance Trip Time: ±20% 0.01 Current Multiples (x In) Tolerance Trip Time: ±20%...
  • Page 41 Matrix Protection Curves Overload - I t (UW-MTX1.0) 10000 1000 Overload - I t (UW-MTX3.5/3.5EC/3.5H /4.5 100000 8 9 10 Current Multiples (x Ir) 10000 Tolerance Trip Time: ±20% 1000 30 s 24 s 18 s 12 s 0.5 s 0.01 8 9 10 Current Multiples (x Ir)
  • Page 42 Matrix Protection Curves Overload - SI (UW-MTX3.5/3.5EC/3.5H /4.5 10000 1000 Overload - LI/VI (UW-MTX3.5/3.5EC/3.5H /4.5 10000 0.5s 1000 8 9 10 Current Multiples (x Ir) Tolerance Trip Time: ±20% 0.5s 8 9 10 Current Multiples (x Ir) Tolerance Trip Time: ±20%...
  • Page 43 Matrix Protection and Control Units Over voltage (or surges) in the power system are the abrupt rise in the voltage level in the system. There could be several reasons for over voltage. The normal operating voltages of the system do not stress the insulation severely. But the voltage stresses due to over voltages can be so high that they may become dangerous to both the cables and the connected equipment and may cause damage, unless some protective measure against the over-voltages are taken.
  • Page 44 Matrix Protection and Control Units Caused due to changes in the operating condition of the network. Can be further classified in two groups: These over voltages are generally of oscillatory nature caused by the transient phenomena which appears when the state of the network is changed by switching operation or a fault condition. The frequency of the oscillations is governed by the inherent inductance and capacitance of the system &...
  • Page 45 Matrix Protection and Control Units Load Load Consider a single-end-fed system of parallel feeders. in the normal condition Circuit Breakers 1, 2, 3 and 4 will be closed and will feed the load through two parallel feeders (Fig1). when the fault occurs at point A Breaker 4 will see the fault in its zone and trip as per its time delay settings.
  • Page 46 Matrix Protection and Control Units Linear Loads: The AC loads are called linear loads when the current and voltage resultant waveform is sinusoidal in nature (i.e. not distorted). Also the current at any instant is proportional to the voltage at that instant. Thus in linear systems there are no harmonic components in current and the voltage waveforms.
  • Page 47 Matrix Protection and Control Units Harmonics are basically the sinusoidal component of the periodic wave with frequency that is an integral multiple of the fundamental frequency. Harmonics content purely determines the quality of power. Having harmonics in the system will affect the system and the severity of effect on the system/equipment will depend on the stiffness of the system and the amount of the harmonic pollution.
  • Page 48 Matrix Protection and Control Units 1. Neutral over current: Odd triplen harmonics because of its additive nature adds up in the neutral current causing the overheating of the neutral. Fundamental of 50 Hz AC 3rd Harmonic Phase R 3rd Harmonic Phase Y Lagging 3rd Harmonic...
  • Page 49 Matrix Protection and Control Units As shown in the Fig.1 any odd triplen harmonic when multiplied by 120 degrees will always produce the product which is integral multiple of the 360 degrees. Thus being shifted by integral multiples of the 360 degrees, the odd triplen harmonics will always be in phase with each other in neutral.
  • Page 50 Matrix Protection and Control Units 23:59 THD Profile - B 23:59 07:59 15:59 23:29 Time THD PROFILING Crest Factor is an important parameter to understand when trying to take accurate measurements of low frequency signals. CF for sine wave = 1.414 However, the Crest Factor for a non-sinusoidal current waveform can differ dramatically for loads that are not power factor corrected, such as a switching power supply or lamp ballast, which gives a current waveform that is short in duration but high in amplitude.
  • Page 51 Matrix Modules Architecture...
  • Page 52 Matrix CAN Architecture CAN bus CAN bus...
  • Page 53 Matrix Modules UW-MTX 3.5/4.5 releases are backed up by different supplementary modules to enhance the functionality of the Protection & Control Unit to provide customer more advance and complete system protection. Dip switches for Node Address O/P LEDS Test LED Power ON LED Test Button for Communication LED...
  • Page 54 Matrix Modules Relay module helps in remote annunciation, interlocking and load management of the system. Relay module consists of four configurable O/Ps (2NO & 2 Changeover) which can be programmed through the release on any of the following protection: Overload vii.
  • Page 55 Matrix Modules REF protection is usually applied for star winding of Transformer & Generator. Special protection class CTs i.e. Class PS CTs are to be used for achieving the protection. Protection works on differential principle. REF protection is used to detect and to trip the breaker in the selected zone only i.e. secondary winding of the transformer/generator.
  • Page 56 Matrix Modules REF Zone ∆ - Y HT relay (Ir+Ly+Ib+In-If)*r Trip command Id=If*r to HT Relay = ct ratio Id = deflection current If1 = fault current @ F1 If2 = Fault current @ F2 Case 1. EF inside the restricted zone (F1) During EF within the zone, current flows back to Xmer star point through neutral sensing CT.
  • Page 57 Matrix Modules Analog module can be seen as metering option to other panel display meters. Four different outputs can be configured for voltage metering or current metering with analog signal output in range of 4-20mA to which analog ammeter and voltmeter can be connected. 4mA corresponds to zero current and voltage while 20mA corresponds to 1.5 times the set I-frame value of current or 1.5 times set Vn value in Matrix release.
  • Page 58 Matrix Modules Overheating of the Bus-bar can reduce the life of the insulation sleeves, Bus-bar / cables & even Breakers. Periodic loading conditions can cause the metal to heat and cool continuously resulting in the deterioration of the Bus-bar material and loosening of the joints. This becomes even more critical in case if Bus-bars consist of metals of different heat coefficient.
  • Page 59 X, there will be no restraining signal from feeder breakers ACB 2, ACB 3 and hence ACB1 will Issue Trip command immediately instead of Pre-set 400ms delay. MTX Releases of OMEGA provides two type of options for Sout Gout...
  • Page 60 Omega Matrix Earth Leakage module has Earth leakage current monitoring range of 300mA to 30A. The EL module communicates on CAN bus with the Matrix releases which can be set in Alarm, Trip or “Both”mode.
  • Page 61 Standalone module • Self-diagnostic test provision POWER SUPPLY (PS) MODULE PS module is used to power ON other supplementary modules of OMEGA Matrix release family as well as to communicate on the CAN bus through RJ45 shielded cable. Input 85-265V 125-300V...
  • Page 62 Matrix Communication Protocols Modbus: Monitoring function: Modbus Module is used for the Configuration, 1) Metering Data – Voltage, Current, Power, Energy, Monitoring and Control of Matrix releases and Power Factor, Online Module Status its supplementary modules. 2) Status Data – Alarm & Trip Status, Digital Input Output Module &...
  • Page 63 Matrix Communication Protocols Profibus: Profibus Module supports PROFIBUS DP V0 slave protocol. This module communicates with PROFIBUS Class 1 and/or Class 2 Master. GSD file should be used/loaded in PROFIBUS master for understanding the device functions. Network termination switch is provided at the rear end of the module. Thus this module can be used as end node in the network. It communicates on baud-rates 9.6Kbps, 19.2Kbps, 45.45Kbps, 93.75Kbps, 187.5Kbps, 500Kbps, 1.5Mbps, 3Mbps, 6Mbps, 12Mbps.
  • Page 64 Matrix Communication Protocols Zigbee: Our innovative Matrix releases are designed to let consultants & system designers help their customers & end-users gain greater control of, and improve their everyday business & industrial processes by means of “ZigBee wireless communication” capability. UW-MTX3.5/3.5EC/4.5 provides Wireless Communication using ZigBee protocol formulated under IEEE 802.15.4 standard for Wireless Personal Area Network (WPANs).
  • Page 65 Smart Configurator Smart Configurator: UW-MTX3.5/3.5EC/4.5 has an optional Smart Configurator Module which is used for easy parameterisation of the release. In large electrical installations, where many ACBs are in use; one can copy the release protection parameters setting on smart card and then copy the parameters on various releases. Smart Configurator Module in MTX releases with its ease of use can reduce the gestation period of electrical installation.
  • Page 66 Fault Trip Diagnostic Trip Oscillograph MTX 4.5 gives user the unique advantage of analyzing the post fault waveforms of the system. After the fault, the system waveform gets captured in the release with the trip timing and the waveform deformation of voltage and current of the individual phases.
  • Page 67 Matrix Protection and Control Units Menu Navigation Overview for UW-MTX 3.5/3.5EC/3.5H Current : 800A : 800A : 800A Settings View Records Metering IO Status Active Modules Current ACB status Config. Mode View Mode Trip Record Voltage FSD status Event Record Frequency (Password protected) Maintenance...
  • Page 68 SmartComm is a state-of-the-art SCADA-based unified software platform for device communication, integration, data acquisition, data management, monitoring & control and preemptive and predictive data analysis. • Omega ACBs can be integrated with smartcomm. • SmartComm supports a wide range of devices and protocols. It can expand its functionality to address the...
  • Page 69 SmartComm Integrated Solutions • Omega ACBs integrated with SmartComm enable users to perform various configuration, monitoring and measurement tasks remotely • Real-time communication for monitoring, control and diagnostics. The system also provides facility of alarms, event-alerts and acknowledgements • Enables user to get immediate reports and swiftly initiate corrective action, if required •...
  • Page 70 Accessories...
  • Page 71 Accessories Accessories Breaker Accessories Cradle Accessories Auxiliary Contact Block Electrical Position Indication (EPI) Shunt Release (SR) Door-Interlock Closing Release (CR) Door-Racking Interlock Under-Voltage Release (UVR) Locking in all Positions Electrical Charging Device (ECD) Locking in Disconnected Position Operation Counter Safety Shutter Micro-switches for electrical indications: Arc-Shield ü...
  • Page 72 Accessories Breaker Accessories: Modularity, the key design aspect of OMEGA ACBs facilitates the quick fixing & removal of several breaker mounted accessories such as CR, SR, UVR, Auxiliary contact blocks & various indicating micro-switches. These accessories are located on the front top-side of breaker mechanism & have specified positions.
  • Page 73 Ready-To-Close Indication (RTC): RTC takes into account all the safety parameters that are part of the control & monitoring system of electrical installation. OMEGA RTC allows the circuit breaker to close only if following conditions are met: ü...
  • Page 74 Racking Shutter Pad-lock inhibits the access to the racking mechanism such that racking handle cannot be inserted to rack-in/rack-out the breaker. Racking Shutter Pad-lock is an inbuilt feature with Omega ACBs. It can be pad-locked with lock hasp of 6mm diameter. 5) Safety Locks: Any of C-Type, R-Type locks can be used for locking the ACB in "Any position"/"Isolated...
  • Page 75 Using Cover, panel door can be covered during maintenance at site to prevent the entry of dust or foreign material in the panel enclosure and cradle. The same can be fitted on the bezel without any tool and is common for fix and draw-out version of OMEGA ACB. PAN EL M...
  • Page 76 3) Mechanical Interlock : Mechanical Interlock is used for interlocking breakers as per the desired control scheme. It can interlock up to three Omega ACBs of Fixed/Draw-out/Mixed version. The breakers can be interlocked in Vertical or Horizontal configuration. Cable length:...
  • Page 77 Accessories OMEGA ACBs offer wide variety of terminal adaptors for both Fixed & Draw-out versions. Terminal Adaptors facilitate ease of termination of both Copper & Aluminium busbars. Terminal Adaptors for Draw-out Version: Termination side dimensions (T) Hole No. of Thickness...
  • Page 78 Accessories Hole No. of Configuration Thickness distance holes Horizontal Vertical Fr-3 4000A Horizontal Fr-3 4000A Vertical All dimensions are in mm For ordering cat nos please refer page no.80 Hole No. of Configuration Thickness holes distance Horizontal Vertical Fr-3 5000A Horizontal Fr-3 5000A...
  • Page 79 Accessories Terminal Adaptors for Fixed Version: Frame-1 : 400 - 2000A N/S Hole distance Thickness No. of holes Fr-1 400 - 1600A Vertical / Horizontal All dimensions are in mm For ordering cat nos please refer page no.80 Frame-1 : 400 - 2000A H, & Frame-3 : 400 - 4000 H/V Hole distance Thickness No.
  • Page 80 Accessories Frame-2 : 400 - 2500A N/S Termination side dimensions (T) Hole distance Thickness No. of holes Frame size Configuration Width Fr-2 N/S 400 - 2500A Vertical / Horizontal All dimensions are in mm For ordering cat nos please refer page no.80 Frame-2 : 3200 N &...
  • Page 81 Accessories...
  • Page 82 1 Accessories 5) Neutral Configurator : Neutral configurator helps in customization of Neutral Sequence or Phase Sequence at the Air Circuit Breaker end. Neutral Configurator can be connected with the breaker On-site. It enables user to customize the phase sequence at breaker end without any design modication required in panel.
  • Page 83 CT is provided inside the breaker, to be used on 4 wire system whereas for 3-pole breakers, external CT is available separately. It is important that with OMEGA System of breaker, special neutral CTs supplied by E&A are used. 1, 2 & 3 400/630/800/ 1, 2 &...
  • Page 84 Control Circuit Wiring...
  • Page 85 SIC Terminations...
  • Page 86 UW-MTX1.0 .1 .2...
  • Page 87 UW-MTX 1G/1.5G .1 .2...
  • Page 88 UW-MTX 1Gi/1.5Gi .1 .2 ACB STATUS ACB STATUS...
  • Page 89 UW-MTX 3.5/3.5EC/4.5 .1 .2 ACB STATUS ACB STATUS...
  • Page 90 Matrix Connection Diagram COMM S-OUT G-OUT S-IN G-IN CAN-H CAN-L CAN L CAN H 4 DIGITAL (24V DC/230V AC) Inputs IP3 IP4 COM IP1 IP2 IP1 IP2 IP3 IP4 COM OP1 OP2 OP3 OP4 4 DIGITAL O/PS : Auxiliary 24V DC : Ground SOUT : S/C Output...
  • Page 91 SOUT GOUT T1-T4 connection to breaker terminals Supply Coil CT input CT input STATUS RELAY COMM CAN Bus OP1 OP2 OP3 OP4 REF RELAY O/P TCS RELAY O/P 4 ANALOG O/PS EL RELAY O/P 4 RELAY O/PS...
  • Page 92 Mounting & Termination...
  • Page 93 Mounting Termination on Draw-out Breakers OMEGA System of ACB terminals offer more contact area to accept Aluminium Links. OMEGA System of ACBs Universal Flat terminals greatly facilitate termination. These terminals directly support all commonly used types of termination as shown in adjoining figure.
  • Page 94 Mounting Termination Methods For Fixed Breakers X = 100 -150 mm CAUTION: Inadequate termination support may result in overheating & adversely affect performance during short circuit conditions. For Draw-out Breakers With Terminal Adaptor With Universal Terminals 15 max X = 100 -150 mm * Maintain adequate clearance between links as applicable standards All Dimensions in mm...
  • Page 95 Mounting 400-1600A N & 400-2500A S/H Fr.1 3P Fixed Circuit Breaker Frame 1 400-2000 N/S 2500 S 400-2500 H Panel Door Draw-out Circuit Breaker Panel Door Disconnected Test 25.5 49.5 47.5 62.4 (250) (47.5) Use this Use this mounting hole mounting hole These 2 supports are must...
  • Page 96 Mounting 400-1600A N & 400-2500A S/H Fr.1 4P (100% N) Fixed Circuit Breaker Frame 1 400-2000 N/S 2500 S 400-2500 H Panel Door Draw-out Circuit Breaker Panel Door Disconnected Test 25.5 49.5 47.5 62.4 (250) (47.5) Optional support Use this Use this mounting hole mounting hole...
  • Page 97 Mounting 400-3200A N & 400-4000A S/H Fr.2 3P Fixed Circuit Breaker Frame 2 400-2500 N/S 3200 400-3200 H 4000 S/H Panel Door Draw-out Circuit Breaker Panel Door Disconnected Test 25.5 49.5 47.5 62.4 (250) (47.5) Optional support Use this mounting hole Use this mounting hole These 2 supports...
  • Page 98 Mounting 400-3200A N & 400-4000A S/H Fr.2 4P (100% N) Fixed Circuit Breaker Frame 2 400-2500 N/S 3200 N/S 400-3200 H 4000 S/H Panel Door (Outer surface) Draw-out Circuit Breaker Panel Door Disconnected Test 25.5 49.5 47.5 62.4 (49.5) (100) (250) (47.5) Use this...
  • Page 99 Mounting 400-6300A H/V Fr.3 3P Fixed Circuit Breaker Panel Door (Outer surface) Draw-out Circuit Breaker Panel Door Disconnected 35.5 Test 49.5 47.5 62.4 (100) (250) (47.5) (49.5) Optional Use this support mounting holes Use this mounting hole Use this mounting hole These 3 supports are must Use any one of...
  • Page 100 Mounting 400-6300A H/V Fr.3 4P (100% N) Fixed Circuit Breaker Panel Door (Outer surface) Draw-out Circuit Breaker Panel Door Disconnected 35.5 Test 49.5 47.5 62.4 (49.5) (47.5) (200) (100) (250) Optional support Use this Use this mounting hole mounting hole Use this mounting holes These 4 supports...
  • Page 101 Termination - Fixed Breakers Flat Termination 400-1600N/S, 2000A N/S & 400-2000A Fr.1-3P Bolt length M10 bolts to be used for link termination Bolt length for mounting Holes (on both sides) for Earthing Tightening torque: 3.0 kgfm link(s) on Flat Terminals connections by M10/Equivalent BS bolt to be cumulative link(s) Frame1...
  • Page 102 Termination - Fixed Breakers Vertical Terminals 400-2000A N/S/H Ø12.9 Breaker Adaptor M12 / Equivalent BS bolts to be used for link termination Rating Cat. No. Tightening torque: 3.2 kgfm CL60967OOOO 400-2000 N/S 400-2000 H CL60968OOOO Vertical Terminals 2500A S/H Fr.1-3P (Adaptor-CL60976OOOO) Ø12.9 M12 /Equivalent BS bolts to be used for link termination Tightening torque: 3.2 kgfm...
  • Page 103 Termination - Fixed Breakers Flat Termination 400-1600 N/S, 2000A N/S & 400-2000A H Fr.1-4P 73.5 Holes (on both sides) for Earthing connections by M10/Equivalent BS bolt. M10 bolts to be used for link termination Bolt length for Frame1 Bolt length Tightening torque: 3.0 kgfm mounting link(s) on 400-1600 N...
  • Page 104 Termination - Fixed Breakers Vertical Terminals 400-2000A N/S/H Fr.1-4P Ø12.9 Breaker Adaptor M12 / Equivalent BS bolts to be used for link termination Rating Cat. No. Tightening torque: 3.2 kgfm CL60967OOOO 400-2000 N/S CL60968OOOO 400-2000 H Vertical Terminals 2500A S/H Fr.1-4P Ø12.9 M12 / Equivalent BS bolts to be used for link termination Tightening torque: 3.2 kgfm...
  • Page 105 Termination - Fixed Breakers Flat Termination 400-1600A N/S/H Fr.2 3P Bolt length 133.3 133.3 Bolt length for mounting link(s) on M10 / Equivalent BS bolts to be used for link termination. Flat Terminals Tightening torque: 3.2 kgfm to be cumulative Holes (on both sides) Frame1 link(s) thickness +...
  • Page 106 Termination - Fixed Breakers Vertical Terminals 400-3200A N/S/H & 4000A S/H Fr.2-3P DIA.12.9 133.3 133.3 M12 / Equivalent BS bolts to be used for links termination. Tightening torque: 3.2 kgfm 133.3 133.3 Top Horizontal & Bottom Vertical Termination 4000A S/H Fr.2-3P Ø12.9 27 27 133.3...
  • Page 107 Termination - Fixed Breakers Flat Terminals 400-1600A N/S/H Fr.2-4P Bolt length 133.3 133.3 133.3 Bolt length for mounting link(s) on M10 / Equivalent BS bolts to be used for links termination. Flat Terminals Tightening torque: 3.2 kgfm Holes (on both sides) to be cumulative for Earthing connections link(s) thickness...
  • Page 108 Termination - Fixed Breakers Vertical Termination 400-3200A N/S/H & 4000A S/H Fr.2-4P (100% N) Ø12.9 133.3 133.3 133.3 M12 / Equivalent BS bolts to be used for links termination. 133.3 133.3 133.3 Tightening torque: 3.2 kgfm Top Horizontal & Bottom Vertical Termination 4000A S/H Fr.2-4P Ø12.9 27 27...

  • Page 109: Table Of Contents

    Termination - Fixed Breakers 400-4000A H/V Fr.3 3P Flat Termination 400-1600A Bolt length 73.5 Bolt length for mounting link(s) on Flat Terminals Holes (on both sides) to be cumulative for Earthing connections M10 / Equivalent BS bolts to be used for link termination. link(s) thickness by M10/Equivalent BS bolt Tightening torque: 3.2 kgfm...
  • Page 110 Termination - Fixed Breakers 400-5000A H/V Fr.3 3P Vertical Termination Ø12.9 Breaker Dim. A Rating M12 / Equivalent BS bolts to be 400-4000A used for links termination Tightening torque: 3.2 kgfm 5000A 6300A H/V Fr.3 3P Vertical Termination Ø12.9 M12 / Equivalent BS bolts to be used for links termination. Tightening torque: 3.2 kgfm All Dimensions in mm...

  • Page 111: Bolt Length

    Termination - Fixed Breakers 400-5000A H/V Fr.3 4P (100% N) Flat Termination 400-1600A M 10 Bolt length 73.5 Bolt length for mounting link(s) on Flat Terminals Holes (on both sides) to be cumulative for Earthing connections M10 / Equivalent BS bolts to be used for links termination. link(s) thickness by M10/Equivalent BS bolt Tightening torque: 3.2kgfm...

  • Page 112: Rating Dim. A

    Termination - Fixed Breakers 400-5000A H/V Fr.3 4P (100% N) Vertical Termination Ø12.9 M12 / Equivalent BS bolts to be Breaker Dim. A used for links termination. Rating Tightening torque: 3.2 kgfm 400-4000A 5000A 6300A H/V Fr.3 4P (100% N) Vertical Termination Ø12.9 M12 / Equivalent BS bolts to be used for links termination.
  • Page 113 Termination - Draw-out Breakers 400A-1600A N/S/H, Fr.1 3P Flat Terminals See Detail A DETAIL A 14.5 Ø12.5 25.5 Bolt length 73.5 Bolt length for mounting link(s) on M12/ Equivalent BS bolts to be used for links termination. Flat Terminals to be cumulative link(s) Tightening torque: 3.2 kgfm Thickness + 20 min to 25 max Horizontal Terminals...
  • Page 114 Termination - Draw-out Breakers 2500A S & 400-2500A H Fr.1-3P Vertical Terminals 95.5 Ø12.9 Ø12.9 73.5 M12 / Equivalent BS bolts to be used for links termination Tightening torque: 3.2 kgfm 400A-2000A, N/S/H Fr.1-4P (100%N) Flat Terminals 400A- 1600A, N/S/H See Detail A 14.5 Ø12.5...
  • Page 115 Termination - Draw-out Breakers Vertical Terminals 400A - 2000A N/S/H 22.5 Ø12.9 88.5 73.5 M12 / Equivalent BS bolts to be used for links termination Tightening torque: 3.2 kgfm Vertical Terminals 2500A S & 400-2500A H, Fr.1-4P (100%N) 95.5 Ø12.9 Ø12.9 73.5 M12/ Equivalent BS bolts to be used for links termination.
  • Page 116 Termination - Draw-out Breakers 400A-3200A, N/S/H Fr.2-3P Flat Terminals 400A-1600A, N/S/H 25.5 Bolt length 133.3 133.3 Bolt length for mounting link(s) on M12/ Equivalent BS bolts to be used for links termination. Flat Terminals to be cumulative link(s) Tightening torque: 3.2 kgfm thickness+20 min to 25 max Horizontal Terminals 400A-3200A, N/S/H...
  • Page 117 Termination - Draw-out Breakers 4000A S/H Fr.2-3P Vertical Terminals 95.5 12.9 133.3 133.3 25.5 4000A S/H Fr.2-3P Top Horizontal & Bottom Vertical Terminals 95.5 3 HOLES 12.9 133.3 133.3 Ø12.9 Horizontal: CL60316OOOO Ø12.9 M12 / Equivalent BS bolts to be used for links termination. Tightening torque: 3.2 kgfm 23 27...
  • Page 118 Termination - Draw-out Breakers 400A-3200A,N/S/H,Fr.2-4P (100% N) Flat Terminals 400A-1600A,N/S/H 25.5 Bolt length 133.3 133.3 133.3 Bolt length for mounting link(s) on M12/ Equivalent BS bolts to be used for links termination. Flat Terminals to be cumulative link(s) Tightening torque: 3.2 kgfm thickness+20 min to 25 max Horizontal Terminals 400A-3200A N/S/H...
  • Page 119 Termination - Draw-out Breakers 4000A S/H Fr.2-4P Vertical Terminals 95.5 Ø12.9 133.3 133.3 133.3 25.5 4000A S/H Fr.2-4P Top Horizontal & Bottom Vertical Terminals 95.5 3 Holes Ø12.9 133.3 133.3 133.3 Ø12.9 Horizontal: CL60316OOOO Ø12.9 M12 / Equivalent BS bolts to be used for links termination. 23 27 Tightening torque: 3.2 kgfm All Dimensions in mm...
  • Page 120 400-1600A Ø 12.9 35.5 Bolt length for mounting link(s) on 73.5 Hole (on Both Sides) for Earthing Flat Terminals Connections By M10 / Equivalent Bs Bolt to be cumulative link(s) thickness +20 min to 25 max M12/ Equivalent BS bolts to be used for links termination. Tightening torque: 3.2 kgfm Ø12.9 400-4000A H/V...
  • Page 121 Horizontal Terminals 5000A Ø12.9 22.5 35.5 73.5 Ø12.9 M12/ Equivalent BS bolts to be used for links termination. * H-H termination recommended for bus coupler only Tightening torque: 3.2 kgfm M12/ Equivalent BS bolts to be used for links termination. Tightening torque: 3.2 kgfm Ø12.9 Ø12.9...
  • Page 122 6300A Ø12.9 Ø12.9 73.5 35.5 M12/ Equivalent BS bolts to be used for links termination. Tightening torque: 3.2 kgfm All Dimensions in mm...
  • Page 123 Bolt length ø12.9 35.5 Bolt length for mounting link(s) on Flat Terminals to be cumulative link(s) thickness+20 min to 25 max Hole (on both sides) 73.5 for Earthing connections by M10 / Equivalent BS bolt M12/ Equivalent BS bolts to be used for links termination. Tightening torque: 3.2 kgfm Ø12.9 Ø12.9...
  • Page 124 Bolt length ø12.9 35.5 Bolt length for mounting link(s) on Flat Terminals to be cumulative link(s) 73.5 thickness +20 min to 25 max Hole(on both sides) for Earthing connections by M10 / Equivalent BS bolt M12/ Equivalent BS bolts to be used for links termination. Tightening torque: 3.2 kgfm Ø12.9 Ø12.9...
  • Page 125 Ø12.9 22.5 35.5 73.5 M12/ Equivalent BS bolts to be used for links termination. Tightening torque: 3.2 kgfm Ø12.9 M12/ Equivalent BS bolts to be used for links termination. Tightening torque: 3.2 kgfm Ø12.9 Ø12.9 73.5 35.5 All Dimensions in mm...
  • Page 126 Ø12.9 Ø12.9 73.5 35.5 M12/ Equivalent BS bolts to be used for links termination. Tightening torque: 3.2 kgfm ø12.9 25.5 73.5 Hole (on both sides) for Earthing connections by M10 / Equivalent BS bolt Bolt length Bolt length for mounting link(s) on *10 mm Terminal height difference Flat Terminals to be cumulative link(s) due to equalizer for Neutral.
  • Page 127 Holes - Ø12.9 Pitch 27 mm. 22.5 35.5 73.5 M12 / Equivalent BS bolts to be used for links termination. *10 mm Terminal height difference Tightening torque: 3.2 kgfm due to equalizer for Neutral. Ø12.9 22.5 35.5 73.5 M12 / Equivalent BS bolts to be used for links termination. *10 mm Terminal height difference Tightening torque: 3.2 kgfm due to equalizer for Neutral.
  • Page 128 Popular Aluminium Termination Aluminium cross Rating Frame section as per Horizontal (with Terminal adaptor) Vertical (with Terminal adaptor) Flat Size IS/IEC (in sq. mm) 6 mm 10 mm 12 mm 6 mm 10 mm 12 mm 6 mm 10 mm 12 mm 75 - 2 runs 75 - 2 runs...
  • Page 129 Popular Aluminium Termination Aluminium cross Rating Frame section as per Horizontal (with Terminal adaptor) Vertical (with Terminal adaptor) Size IS/IEC (in sq. mm) 6 mm 10 mm 12 mm 6 mm 10 mm 12 mm 4000 7200* 160 - 8 runs 150 - 5 runs 150 - 4 runs 125 - 6 runs...
  • Page 130 Popular Copper Termination Copper cross Frame Rating section as per IEC Horizontal (with Terminal adaptor) Vertical (with Terminal adaptor) Size (in sq. mm) 6 mm 10 mm 12 mm 6 mm 10 mm 12 mm 2500 2000 100 - 2 runs 100 - 2 runs 3200 3200...
  • Page 131 Omega Air Circuit Breaker can operate at higher temperatures than the reference temperature of 40 C as prescribed in IS & IEC standards, under certain installation conditions. However in some cases current-carrying capacity needs to be reduced in order to follow temperature rise limits and safe working conditions.
  • Page 132 As altitude rise from sea level, the density of that air reduces dramatically. Reduced air density at altitudes greater than 2000 meters affects the ability of a circuit breaker to transfer heat and interrupt faults compared with sea level.The ability of fault interruption reduces with the increase of altitute because di-electric strength of air also reduces with density.
  • Page 133 13 digit. ACBs are offered with following standard features: Draw-out version : Omega ACBs with UW-MTX release will have inbuilt- Current Metering (MTX1.5G/1.5Gi/3.5/3.5EC/3.5H/4.5), Common Fault Indication microswitch, 4NO+4NC Aux. contacts, Smart-racking shutter, Safety shutter assembly, Racking Handle, Door sealing frame, Pad-locking arrangement for ON/OFF button, Rating Error Preventer &...
  • Page 134 Aimed at maximizing productivity, conserving energy, minimizing costs and enhancing safety, our Electrical & Automation training programmes have benefitted over 2.25 Lakh professionals in the last 32 years. These training programmes are highly beneficial as they provide right exposure and impart knowledge on selection, installation, maintenance and testing of Electrical &...
  • Page 135 SP 50567 R5...