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Noark Ex9M Series Manual

Moulded case circuit breaker
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NOARK Electric（Shanghai）Co.,Ltd.
Address: No. 3857, Sixian Road,
Songjiang District, Shanghai,
P.R.China, 201614
http://na.noark-electric.com
Printed with environmentally-friendly paper
The expression right of the instructions are owned by NOARK.
Series
Moulded Case Circuit Breaker

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Summary of Contents for Noark Ex9M Series

  • Page 1 Series Moulded Case Circuit Breaker NOARK Electric（Shanghai）Co.,Ltd. Address: No. 3857, Sixian Road, Printed with environmentally-friendly paper Songjiang District, Shanghai, The expression right of the instructions are owned by NOARK. P.R.China, 201614 http://na.noark-electric.com...

  • Page 2: Table Of Contents

    CONTENTS Features Curves and Parameters Modular Characteristic curve of thermal magnetic type release 60 Bearing type Characteristic curve of electromagnetic type release 64 Current limiting type Characteristic curve of distribution protection electronic type release 66 “Compact, fast, flexible” Characteristic curve of motor protection electronic type release 67 Environmental friendly Derating curve and parameters Operating conditions...
  • Page 3 Noark is located in Shanghai, China, with 17 branches in China. Since its establishment more than ten years ago, Noark has successively obtained the authorized certifications from American UL, Dutch KEMA, German TÜV, and Outstanding design Precision manufacturing technology Lloyd's.
  • Page 4 Reliable Quality Assurance Ultimate Breaking Capacity Power distribution protection There are multiple breaking capacities (I Ex9M series power distribution circuit breaker is a switching device that not only can available for each model of circuit breaker, meeting 150kA 100kA connect, carry and disconnect currents under normal circuit conditions, but also can...
  • Page 5 Features Features Features Modular Modular: All the modules are assembled together according to a certain method to provide all the functions that are required for a complete system. Scalability: Complete accessories available, providing all kinds of extended functions. Name Abbreviation Auxiliary contact Alarm contact Undervoltage release UVT...

  • Page 6: Features

    Force F2 Ｉ Noark developed a new type of rotary shaft that generate rolling friction which eliminated all Double breaking point design the issues that created by sliding friction and thus significantly improved the performance of the circuit breaker.

  • Page 7: Compact, Fast, Flexible

    The maximum breaking short circuit current of Ex9M series circuit breakers is 150kA The minimum release time of Ex9M series circuit breakers is <2ms...

  • Page 8: Environmental Friendly

    Normally, the product should not be installed above 2000m If user has to install the product above 2000m, it should derate the circuit breaker according to the coefficient table in Curves and Parameters or consult Noark. Operation Low heat generation and power consumption during operation, with less impact on surroundings.

  • Page 9: Model Selection And Ordering Information

    Model Selection and Ordering Information Model Selection and Ordering Information Model Selection and Ordering Information Ex9M moulded case circuit breaker (electronic type) Ex9M SU20L 1600 AC230 Model Selection Rated Product Frame size Breaking Code of motor- Control Pole number Ex9M moulded case circuit breaker (electromagnetic/thermo-magnetic) Release code current (A) code...
  • Page 10 The residual current protection module does not have code for breaking capacity, release and rated current, these can be offered separately; electronic protection is not available for product with frame size of 160A, please contact Noark for details. Reference table for accessory type...

  • Page 11: Reference Table For Accessory Selection

    Model Selection and Ordering Information Model Selection and Ordering Information Reference table for accessory selection Accessory type Abbreviation Description Ex9M1 Ex9M2 Ex9M3 Ex9M4/Ex9M5 Ex9M6 Frame size code Auxiliary contact Universal AX 21 AX 21 Alarm contact Universal AL 21 AL 21 AC48V SHT 21 AC48V SHT 21M AC48V...
  • Page 12 Model Selection and Ordering Information Model Selection and Ordering Information Accessory type Abbreviation Description Ex9M1 Ex9M2 Ex9M3 Ex9M4/Ex9M5 Ex9M6 Frame size code Built-in MC 21 MC 22 MC 23 — — 1-hole MC 21 W MC 22 W — — —...

  • Page 13: Functions

    Functions Functions Functions Parameter and function table Ex9M series moulded case circuit breaker Ex9M1 Ex9M2 Ex9M3 Ex9M4 Ex9M5 Ex9M6 Frame size rated current Inm (A) 400/630 1600 Frequency (Hz) 50/60 50/60 50/60 50/60 50/60 50/60 Rated insulation voltage Ui (V)
  • Page 14 Functions Functions Ex9MD series DC moulded case circuit breaker Ex9MD1 Ex9MD2 Ex9MD3 Ex9MD4 Ex9MD5 Ex9MD6 Frame size rated current Inm (A) 400/630 1600 Rated insulation voltage Ui (V) 1000 1000 1000 1000 1000 1000 Rated impulse withstand voltage Uimp (kV) Rated operating voltage Ue (V) 250/500/750/1000 250/500/750/1000...
  • Page 15 Functions Functions Ex9MSD series switch disconnector Ex9M1SD Ex9M2SD Ex9M3SD Ex9M4SD Ex9M5SD Ex9M6SD Conventional thermal current Ith (A), 40°C 1600 Pole number Rated insulation voltage Ui (V) 1000 1000 1000 1000 1000(AC)/1250(DC) 1000(AC)/1500(DC) Rated impulse withstand voltage Uimp (kV) AC (50/60Hz) 415/690 Rated operating voltage Ue (V) 1000...

  • Page 16: Ac Power Distribution Protection

    Functions Functions AC power distribution protection Ex9ML series residual current protection module Ex9ML1 Ex9ML2 Ex9ML3 Frame size rated current Inm (A) 400/630 Pole number 3P、4P 3P、4P 3P、4P Rated insulation voltage Ui (V) 1000 1000 1000 Rated impulse withstand voltage Uimp (kV) Primary distribution air circuit breaker Rated operating voltage Ue (V), AC 50/60Hz...
  • Page 17 Functions Functions (1) Thermomagnetic release TM (2) Basic type electronic release SU20L Circuit breakers with frame size from Ex9M2- Ex9M6 are all available with basic type electronic release SU20L for AC distribution protection, with rated operating current of 32A-1600A. ● High release precision, reliable operation, free from the impact of ambient temperature ●...

  • Page 18: Motor Protection

    Motor protection solution is (0.1~0.4)s, with increment of 0.1s. This function can be used with downstream circuit breaker for selection protection. This function can also be Noark provides the following two solutions for motor protection, please contact Noark before set to OFF.
  • Page 19 Functions Functions (1) Electromagnetic type release M (2) Basic type electronic release SU20LM Ex9M moulded case circuit breaker Circuit breakers with frame size from Ex9M2- Ex9M5 are all available with SU20LM electronic type release, which are applicable to motor feeder circuit solutions with two or three elements.
  • Page 20 Functions Functions (3) Standard type electronic release SU20SM Electronic release (SU20SM) Ex9M2 Ex9M3 Ex9M4 Ex9M5 Overload protection Current setting (A)I ╳ 0.4~1.0，increment 1A, can be set to OFF 7.2 IrRelease timeT 4、8、16 4、8、16、24 Precision Precision ±10% Release level 5、10、20 5、10、20、30 Short time delay short circuit protection ╳...

  • Page 21: Switch Disconnector

    Note: The available breaking indicators for Ex9B series are N: 6kA, H: 10kA; cabinet The available breaking indicators for Ex9M series are S: 36kA, N: 50kA, Q: 70kA, H: 100kA, P: 150kA. Motor control Terminal power In addition, select either Ex9B or Ex9M for 5.5kW-22kW circuit breaker according to actual application.

  • Page 22: Residual Current Protection

    (can be provided separately, please contact Noark for details). The circuit upstream circuit breaker will disconnect the fault circuit. The Ex9M series circuit breakers provide breaker does not need any external power supply and should be directly installed under the 3-pole or 4-pole selective protection function.

  • Page 23: Dc Power Distribution Protection

    Noark provides comprehensive DC system protection solutions to guarantee the safety of DC systems. In the meantime, Noark also provides “Ex9MD DC dedicated moulded case circuit breaker” based on the unique features of DC systems which is widely used in the following industries: ●...

  • Page 24: Accessories

    Accessories Accessories Accessories Internal accessories Overview Internal accessories External accessories 1. Auxiliary contact 6. Mechanical interlock 2. Alarm contact 7. Handle locking device 3. Undervoltage release 8. Motor-driven operating 4. Shunt release mechanism 5. Closing electromagnet 9. Direct rotatory handle 10.
  • Page 25 Accessories Accessories Shunt release (SHT) Undervoltage release (UVT) Shunt release is an accessory for remote control of breaking. It can operate reliably when the power supply voltage is within 70%-110% of rated control power supply voltage. Shunt release Function operates based on telecommunication signal, providing remote control and automatic control of circuit breaker.
  • Page 26 Accessories Accessories Alarm contact (AL) Auxiliary contact (AX) The alarm contact is used to send signal in case of overload, short circuit, undervoltage or free release. Function Terminals AL92 and AL91 are connected when the circuit breaker is open; terminals AL94 and AL91 AX12 and AX11 are connected, AX 14 and AX11 are disconnected when the circuit breaker are disconnected when the circuit breaker is closed;...

  • Page 27: Connecting Accessories

    Circuit breakers combined with withdrawable chassis have the following two status: (JP), cable connector (MC), rear connection plate (RCP), plug-in base (PIA), draw-out base (DOB), and DIN rails. There accessories provide flexible connection methods for Ex9M series circuit breakers ●...

  • Page 28: External Accessories

    Accessories Accessories External accessories Extended rotary handle (ERH) Rotary handle operating mechanism Protection class (combined with cabinet): IP55 (When extended rotary handle is installed, user can operate the circuit breaker inside the cabinet directly on the cabinet door, and the following functions are guaranteed) The rotary handle uses ergonomic design and unique transmission structure to achieve the breaking, making and re-trip of the moulded case circuit breaker.
  • Page 29 AC380~415 detailed adjustable parameters) DC24 Connection DC110/220 AC110/220~240 Ex9M6 MOD MOD26 7000 ≤400 AC380~415 Modbus communication DC24 Modbus通信网络 network Wiring diagram Power 电源 Ex9M series electronic moulded case circuit breaker COM 22 communication module Power...

  • Page 30: Insulation Accessories

    Accessories Accessories Mechanical interlock (MIT) Insulation accessories The mechanical interlock is applicable to Ex9M1-5 circuit breakers. It is installed at the front of the circuit breaker, to make sure two circuit breakers with same frame size will not make at the same Terminal cover time.

  • Page 31: Curves And Parameters

    Curves and Parameters Curves and Parameters Curves and Parameters Characteristic curve of thermal magnetic type release Ex9M(D)1(16A/20A/25A/32A) Ex9M(D)1(125A/160A) t(s) t(s) 10000 10000 7200 7200 3600 3600 2000 2000 1000 1000 .005 .005 .002 .001 .002 .5 .7 1 12In 20 30 50 70 100 200 300 400 600 1200 .001 .5 .7 1...
  • Page 32 Curves and Parameters Curves and Parameters Ex9M(D)2(200A/225/250A) Ex9M(D)5(630~800A) t(s) 10000 t(s) 10000 7200 7200 3600 3600 2000 2000 1000 1000 .005 .005 .002 .002 .001 .001 .5 .7 1 12In 20 30 50 70 100 200 300 400 600 1200 .5 .7 1 12In 20 30 50 70 100...

  • Page 33: Characteristic Curve Of Electromagnetic Type Release

    Curves and Parameters Curves and Parameters Characteristic curve of electromagnetic type release Ex9M(D)1(16~100A) Ex9M(D)3(250A~500A) t(s) t(s) 10000 10000 7200 7200 3600 3600 2000 2000 1000 1000 Maximum thermal resistance Maximum thermal resistance .005 .005 .002 .002 .001 .001 .5 .7 1 2 3 4 6 14.4 20 30 50 70 100...

  • Page 34: Characteristic Curve Of Distribution Protection Electronic Type Release

    Curves and Parameters Curves and Parameters Characteristic curve of distribution protection electronic type release Characteristic curve of motor protection electronic type release Characteristic curve of SU20L basic type release Characteristic curve of SU20LM basic type release 10000 10000 10000 10000 Long time Ir= (0.4/0.5/0.6/0.7/0.8/0.9/0.95/1) In InstantaneousIi = (OFF/2/3/4/6/8/10/12) In...

  • Page 35: Derating Curve And Parameters

    Curves and Parameters Curves and Parameters Derating curve and parameters Rated operating current and temperature compensation coefficient table of Ex9M electronic type circuit breaker Ambient temperature -35°C -25°C -15°C -5°C 0°C +10°C +20°C +30°C +40°C +50°C +60°C +70°C Rated operating current and temperature compensation coefficient table of Ex9M(D) circuit breaker Rated current Ambient temperature -40°C...

  • Page 36: Power Consumption Table

    Curves and Parameters Curves and Parameters Derating coefficient of circuit breakers with plug-in type or draw-out type accessories Power consumption table Power coefficient Single pole resistance of fixed Model Rated current consumption of Release type Product model type circuit breaker + plug-in type + draw-out type each pole...

  • Page 37: Cascade Protection

    Curves and Parameters Curves and Parameters Cascade protection Coordination table for cascade protection (AC380/400/415V) Upstream Ex9M1 Ex9M2 Ex9M3 Ex9M4 Ex9M5 Coordination table for cascade protection (AC220/230/240V) circuit breaker Breaking Upstream circuit Ex9M1 Ex9M2 Ex9M3 Ex9M4 Ex9M5 capacity breaker (kA rms) Breaking capacity (kA rms) 100 150 36...

  • Page 38: Selective Protection

    Curves and Parameters Curves and Parameters Selective protection Selective protection table Upstream circuit Ex9M2 Ex9M3 Ex9M4 Ex9M5 Ex9M6 EX9M1 Ex9M2 Ex9M3 Ex9M4 Ex9M5 Ex9M6 breaker SU20 SU20 SU20 SU20 electronic type Downstream In (A) 1000 1250 1600 1000 1250 1600 circuit breaker ≤10 1000 1250 T...

  • Page 39: Parameter Table Of Connecting Cables

    Curves and Parameters Dimensions and installation Parameter table of connecting cables Dimensions and installation Copper wire parameter table of circuit breakers with rated current up to 400A Outline dimensions of fixed type Wire dimensions Rated operating current (A) Ex9M1 (Ex9MD1, Ex9M1SD) AWG/MCM Outline and installation dimensions Unit:...
  • Page 40 Dimensions and installation Dimensions and installation Ex9M2 (Ex9MD2, Ex9M2SD) Ex9M3 (Ex9MD3, Ex9M3SD) Outline and installation dimensions Outline and installation dimensions Unit: Unit: 3P/4P Side view 171.5 118.5 4×φ5.5 6×φ5.5 2×φ3.1 2×φ5.5 ≤400A 500/630A Base plate mounting Side view Base plate mounting 22.5 6×φ5.5 4×φ5.5...
  • Page 41 Dimensions and installation Dimensions and installation Ex9M4/5 (Ex9MD4/5, Ex9M4SD/5SD) Ex9M6 (Ex9MD6, Ex9M6SD) Outline and installation dimensions Outline and installation dimensions (manual version) Unit: Unit: 3P/4P Side view 3P/4P Side view 191.5 133.5 68.5 68.5 32.5 4×φ5.5 4×φ5.5 800A,1000A,1250A 1600A 10mm 20mm Base plate mounting Base plate mounting...
  • Page 42 Dimensions and installation Dimensions and installation Ex9M6 (Ex9MD6, Ex9M6SD) Ex9ML1 Outline and installation dimensions (electric version) Unit: Outline and installation dimensions Unit: Side view Side view 81.6 62.5 4×φ4.5 6×φ4.5 4×φ5.5 4×φ5.5 32 A 800A,1000A,1250A 1600A 10mm 20mm 62.5 78.5 90.7 Base plate mounting Base plate mounting...
  • Page 43 Dimensions and installation Dimensions and installation Ex9ML2 Ex9ML3 Outline and installation dimensions Outline and installation dimensions Unit: Unit: Side view Side view 125.5 171.5 91.5 118.5 72.5 4×φ5.5 4×φ5.5 6×φ5.5 22.5 6×φ5.5 22.5 72.5 94.5 100.2 118.5 Base plate mounting Base plate mounting 4×φ5.5 6×φ5.5...

  • Page 44: Front Connection Of Fixed Type

    Dimensions and installation Dimensions and installation Front connection of fixed type Front connection of Ex9M6 (manual version) Side view Front connection of Ex9M1 84.5 32 A 24×φ11 18×φ11 800A,1000A,1250A 1600A 20mm 10mm Front connection of Ex9M6 (motor-driven version) Front connection of Ex9M2 Side view 37.5 84.5...
  • Page 45 Dimensions and installation Dimensions and installation Front connection of Ex9ML1 Rear connection of fixed type Side view Ex9M1 Outline dimensions Unit: 3P/4P φ6.2 Front connection of Ex9ML2 12.5 Side view 37.5 5 Installation dimensions 6×φ15 8×φ15 2×φ15 4×φ15 4×φ4.5 6×φ4.5 2×φ4.5 37.5 2×φ3.5...
  • Page 46 Dimensions and installation Dimensions and installation Installation dimensions Ex9M4/5 Outline dimensions Unit: 3P/4P 8×φ20 6×φ20 2×φ20 4×φ20 6×φ5.5 4×φ5.5 17.5 2×φ5.5 2×φ3.5 28.5 φ12.5 Ex9M3 Outline dimensions Base plate perforating Unit: 3P/4P 8×φ42 6×φ42 22.5 4×φ6.5 6×φ6.5 32.5 φ12.5 Base plate perforating 8×φ32 6×φ32 4×φ5.5...
  • Page 47 Dimensions and installation Dimensions and installation Ex9ML1 Ex9ML2 Outline dimensions Outline dimensions Unit: Unit: 14.4 φ8.2 14.4 φ6.2 12.5 Installation dimensions Installation dimensions 17.5 8xφ20 6xφ5.5 6xφ15 8xφ15 4xφ4.5 6xφ4.5...
  • Page 48 Dimensions and installation Dimensions and installation Ex9ML3 DIN rail mounting (DIN-rail adapter included) Outline dimensions Ex9M1 Unit: 3P/4P 22.5 φ12.5 Installation dimensions 22.5 6xφ32 8xφ32 Ex9M2 6xφ5.5 4xφ5.5 3P/4P...

  • Page 49: Plug-In Type Connection

    Dimensions and installation Dimensions and installation Plug-in connection Ex9M2, Ex9M2-SD insert type chassis Outline dimensions Unit: Ex9M1, Ex9M1-SD insert type chassis Outline dimensions (PIA 21) Unit: Φ 导轨 导轨 Φ8.2 Φ Φ8.2 (67) (67) 105(3P) 140(4P) 30 30 90(3P) 120(4P) Threaded mounting Threaded mounting 6×...
  • Page 50 Dimensions and installation Dimensions and installation Ex9M3, Ex9M3-SD insert type chassis At the front of the base plate Unit: An insulating barrier should be mounted between the base plate Outline dimensions and the mounting plate 3P/4P Φ5.2 22.5 Φ 10.5 Φ...
  • Page 51 Dimensions and installation Dimensions and installation Draw-out connection Ex9M4/5, Ex9M4/5-SD withdrawable type chassis (DOB 24 CO) Unit: Ex9M3, Ex9M3-SD withdrawable type chassis (DOB 23 CO) Unit: Outline dimensions Outline dimensions Front connection Rear connection Φd1 Rear connection Front connection Φd1 Outline dimensions Pole number...

  • Page 52: Manual Operating Mechnism

    Dimensions and installation Dimensions and installation Manual operating mechanism Ex9M2 Direct rotary handle (RHD 22) Ex9M1 Outline dimensions Unit: Unit: Direct rotary handle (RHD 21) Outline dimensions 15.5 39.6 25.4 105(3P) Z(Z1) 90(3P) Z(Z1) 140(4P) 120(4P) Extended rotary handle (ERH 21) 15.5 Extended rotary handle (ERH 22) Positioning dimensions...
  • Page 53 Dimensions and installation Dimensions and installation Ex9M3 Ex9M4/5 Direct rotary handle (RHD 23) Direct rotary handle (RHD 24) Outline dimensions Outline dimensions Unit: Unit: 195(3P) Z(Z1) 140(3P) 260(4P) Z(Z1) 185(4P) Extended rotary handle (ERH 23) Extended rotary handle (ERH 24) Positioning dimensions Positioning dimensions 140(3P)
  • Page 54 Dimensions and installation Dimensions and installation Ex9M6 Motor-driven operating mechanism Extended rotary handle (ERH 26) Outline dimensions Ex9M1 (MOD 21) Unit: Outline dimensions Unit: 189.5 177.5 38.5 Motor-driven operating center X1 Product center X2 Product center Manual operation center 90(3P) 120(4P) 210(3P) Min=50mm...
  • Page 55 Dimensions and installation Dimensions and installation Ex9M4/5 Wires (MOD 24) Outline dimensions Unit: Ex9M1 Ex9M2 Unit: ≤4 111.5 261.5 ≤6 Electric operating center X1 Product center X2 ≥7.5 Φ7 ≤4 ≥9.5 Φ8.5 Φ7 ≤6 Φ8.5 ≤7.5 ≤8.5 195(3P) 260(4P) Ex9M3 Ex9M4/Ex9M5 Mechanical interlock ≤8...

This manual is also suitable for:

Ex9m1Ex9m3Ex9m2Ex9m4Ex9m5Ex9m6

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