Table of Contents
Advertisement
Quick Links
Advertisement
Table of Contents
Troubleshooting
Subscribe to Our Youtube Channel
Summary of Contents for Secheron UR46-81S
- Page 1 Instructions manual DC High speed circuit-breaker UR46-81/82S Document number: SG104148TEN Language: En Revision: B01 Issue date: 20.8.2012 SG104148TEN-B01 Established by: Desbaillet Checked by: Released by: Signature: Date: Number of pages:...
- Page 2 Sécheron SA Tel. +41 (0) 22 739 41 11 Rue du Pré-Bouvier 25 Fax:+41 (0) 22 739 48 11 1217 Meyrin- Geneva info@secheron.com Switzerland www.secheron.com Copyright© 2012 Sécheron SA Geneva, Switzerland Reproduction in whole or part, or disclosure to a third party prohibited.
- Page 3 UR46-81/82S Revision changes Revision changes Version: SG104148TEN Revision Date Established by: Description 18.4.08 Desbaillet New manual B.1.2: added (T =40 °C); modified I text. Exchanged B.2 and B.3. C.3: modified. C.8.2: added text. C.9.2: modified. D.1: changed greases. D.7.6: changed text. 19.12.08 Desbaillet D.8.2 + D.9 + D.11: removed Molycote.
- Page 4 Revision changes UR46-81/82S This page intentionally left blank Document number: SG104148TEN Revision: B01 Issue date: 20.8.2012 Copyright© 2012 Sécheron SA - This document is not contractual and contains information corresponding to the level of technology at the date of release. File: 2-UR46-8S_rev_en.fm...
-
Page 5: Table Of Contents
UR46-81/82S Table of contents Table of contents Introduction General description ........... .A-9 A.1.1 Description . - Page 6 Table of contents UR46-81/82S C.9.1 Mounting position ......... . C-22 C.9.2 Clearances to be observed in operating position .
- Page 7 UR46-81/82S Table of contents Trouble shooting Procedure ............E-45 E.1.1 Main circuit malfunctions .
- Page 8 Table of contents UR46-81/82S G.5.2 Adjustment ..........G-62 Vertical mechanical release .
-
Page 9: General Description
UR46-81/82S Introduction Introduction DANGER! To ensure maximum safety, servicemen and operators must read the A.2 "Safety precautions" section before starting installation, maintenance and adjustment of the device or before starting to operate it. General description A.1.1 Description The UR46 is a DC high-speed current-limiting circuit-breaker, with natural cooling. It has been designed to ensure, on detection of a short-circuit, a trip free and rapid opening of its main contact;... -
Page 10: Main Features
Introduction UR46-81/82S A.1.3 Main features • High insulation level to earth and between main contact • High breaking and making capacity • Long service life • Simple maintenance • Small dimensions A.1.4 Functions Closing When a closing pulse is received, the closing device (1) moves the fork (2), which closes the moving contact (3) and applies the contact pressure to the main contacts (3 &... -
Page 11: Device Identification
UR46-81/82S Introduction A.1.5 Device identification The plate that is riveted to the device carries the data should you need to contact Sécheron. The CE mark indicates that this device complies with the basic health and safety regulations of the European Economic Area (EEA). Type: Date IEC/EN... -
Page 12: Safety Precautions
Introduction UR46-81/82S Safety precautions A.2.1 General precautions DANGER! High voltage electricity can kill or cause serious injury. Never touch the circuit-breaker before the high voltage circuit is neutralized and the installation is properly earthed. All inspection, maintenance and installation operations carried out on the circuit- breaker must be performed with the power off and the circuit-breaker earthed. -
Page 13: Hazard Information
UR46-81/82S Introduction A.2.3 Hazard information Hazard information in this document has the following meanings: DANGER! Immediate danger to life! Failure to observe this information will result in death or serious personal injury! WARNING! Risk of serious personal injury! Failure to observe this information could result in death or serious personal injury! CAUTION! Risk of minor personal injury! Failure to observe this information may result in minor personal injury! - Page 14 Introduction UR46-81/82S This page intentionally left blank Document number: SG104148TEN Revision: B01 Issue date: 20.8.2012 Copyright© 2012 Sécheron SA - This document is not contractual and contains information corresponding to the level of technology at the date of release. A-14 File: a-UR46-8S_Intr_en.fm...
-
Page 15: Characteristics
= Maximum arc voltage Û = Total break time = Time-constant of the circuit = Opening time 03659_S B.1.2 Main circuit Unit UR46-81S UR46-82S Rated voltage 900 V 1800 V Maximum operational voltage 1000 V 2000 V Rated insulation voltage... -
Page 16: Breaker Control
Technical specifications UR46-81/82S Breaker control The circuit-breaker can be maintained in the closed position using either a reduced holding current (E type) or without current (M type). Note! Sécheron recommends the protection of the closing device coil using an automatic circuit- breaker with thermal protection, having the following characteristics: a closing pulse duration of 0.5-1 sec, the ability to trigger the circuit-breaker several times consecutively and a holding current that is limited to 5% of the closing current. -
Page 17: Typical Values For The Closing Coils
UR46-81/82S Technical specifications B.2.1 Typical values for the closing coils Closing E type holding M type opening Coil characteristics Pulse 0,5 to 1 [s] Pulse 0,5 to 1 [s] [Ω] [Ω] [Ω] [Ω] 16.8 30.0 0.575 41.7 22.5 25.0 70.9 11.4 2.00 1.38... -
Page 18: Auxiliary Contacts
Technical specifications UR46-81/82S Auxiliary contacts 5a (NO) + 5b (NC) in standard configura- Number of auxiliary contacts tion Rated voltage (potential free contacts) 24 to 220 Vdc Maximum breaking current – Ohmic load at 110 Vdc τ 0.3 A – Inductive load = 15 ms at 110 Vdc Conventional thermal current 10 A... -
Page 19: Weight And Dimensions
To ensure maximum safety, servicemen and operators must read the A.2 "Safety precautions" section before starting installation, maintenance and adjustment of the device or before starting to operate it. Weight and dimensions Weight (± 5 kg) UR46-81S UR46-82S Circuit-breaker (standard, without options) 85kg 86 kg Arc chute 25 kg... -
Page 20: General Requirements
Sécheron SA. Sécheron SA will have to charge the customer for any repair. For the repair procedure, please refer to our website “www.secheron.com” and click on “Services / RMA”. Handling Circuit-breaker with its arc chute attached: lift it using ropes/slings as shown below. -
Page 21: Packing
UR46-81/82S Installation Packing Always pack the circuit-breaker assembled with the arc chute and protected against impacts and moisture. Storage Store the circuit-breaker in a dry (maximum 50% of relative humidity at 40°C), clean and covered place, with a temperature range between -25°C and +55°C. Disposal If the device is to be permanently disposed of, disassemble it as far as possible and separate the following materials:... -
Page 22: Mounting
Installation UR46-81/82S Mounting Important! The circuit-breaker must be installed in an indoor ventilated enclosure that is free from dust and moisture (minimum IP54). C.9.1 Mounting position The circuit-breaker must be installed with the arc chute upside (except when installed in some optional enclosures). -
Page 23: Low Voltage Connector
UR46-81/82S Installation C.10 Low voltage connector The connector: Harting 32 poles HAN 32EE. Sécheron’s number for the mobile connector: SG104063R10100, including 30 pins of 1.5 mm (SC202344) and 2 pins of 2.5 mm (SC201259). Note! The mobile connector needs to be ordered separately. Procedure a) Insert the cables (5) into the pins (6) according to the following 08007... -
Page 24: Earth Connection
Installation UR46-81/82S C.11 Earth connection Connect the earthing conductor (1) onto the M8 connecting bolt (2). Tighten it to a torque of 22 Nm. This bolt also connects the closing device (3) and the multi-pole connector (4) to the earth. CAUTION! The minimal cross-section of the earthing conductor (1) must be of 50 mm 03615... -
Page 25: High Voltage Connections
UR46-81/82S Installation C.12 High voltage connections The power connections may be made by cables or bars. a) Clean the surface of the main connections (1). b) Connect the bars (2) or the cables (3) using four M12 bolts (4) onto each main terminal (1). Tighten the bolts (4) to a torque of 50-67 Nm. -
Page 26: Maximum Current Release (Id) Setting
Installation UR46-81/82S C.13 Maximum current release (Id) setting C.13.1 Direct release The direct release may or may not be equipped with a removable core (11) according to your specification of the release range. When the core is removed, store it in the special clip (13). 04650 C.13.2 Setting procedure... -
Page 27: Final Visual Inspection And Tests
UR46-81/82S Installation Version without core (optional) Example: to set the maximum current release value Id at 2500 A, an extrapolation from the label (2) requires the indicating mark (5) to be set at graduation 1.8. Pt. 1,8 2500 2000 3000 2500 = 2500 A 3500... -
Page 28: Security Check Advised During Operation
Installation UR46-81/82S C.15 Security check advised during operation The customer should permanently verify that the voltage/current information coming from a voltage/current detector corresponds to the information about the state of the circuit-breaker given by its auxiliary contacts (1), according to the complete electrical circuit. For example, if the information coming from the auxiliary contacts of the circuit-breaker shows that the circuit-breaker is open and the voltage transformer detect a voltage, this indicates a serious problem which must be immediately solved. -
Page 29: Maintenance
UR46-81/82S Maintenance Maintenance DANGER! To ensure maximum safety, servicemen and operators must read the A.2 "Safety precautions" section before starting installation, maintenance and adjustment of the device or before starting to operate it. Required tools and consumable 1. Open end wrenches 8, 10, 13 and 17 mm / 2x24 +2x27mm (4 mm thick) 2. -
Page 30: Periodicity Of The Inspections
Maintenance UR46-81/82S Grease for general purpose Shell Rhodina LT2; Sécheron number SG104245P00001. Cleaning agents Denatured alcohol. Important! No other solvents allowed! A solution of liquid soap in water may be used on polyester or polyamide parts on the condition that these parts are stripped down to the polyester or polyamide parts only for this work and then rinsed with fresh water and well dried before reassembly. -
Page 31: Part Replacement Criteria
UR46-81/82S Maintenance Part replacement criteria Refer to the “parts catalogue” chapter for the location of the parts. For parts that are subject to wear due to current interruptions: Item position Name of the component Replacement criteria See § 130 - F.4.1 Moving contact* ±... -
Page 32: Visual Inspection
Maintenance UR46-81/82S Visual inspection The circuit-breaker contacts must be checked and maintained with special care. Any soot deposit should be wiped away with a dry rag. If large beads form, scrape them off using a wire brush. Important! Never use a file on the contacts. Never apply grease onto the contacts. -
Page 33: Detailed Inspection
UR46-81/82S Maintenance Detailed inspection First perform a visual inspection, see § D.5. D.6.1 Cleaning the contact area a) Remove the spark arresters (2). b) If the blowing device (7) is present, remove the electrode (5) without disconnecting its cable and the electrode support (6). Clean them using a dry cloth. If the electrode (5) or the elec- trode support (6) have burns, change them. -
Page 34: Check And Adjustment Of The X Clearance
Maintenance UR46-81/82S Method 2 The circuit-breaker must be closed. Measure as shown below. – “W ” dimension for new contacts is 8±1mm. ±0.5 ≤ 3 – If W mm, replace the main contacts (see § D.7). 03624 Note! Where the optional manual closing device is present, please see § G.1 "Manual closing device". -
Page 35: Check And Adjustment Of The Y Clearance
UR46-81/82S Maintenance D.6.4 Check and adjustment of the Y clearance +0.2/-0.5 Requirement: Y = 2.0 Note! This measurement is performed with the circuit-breaker closed. Measurement Measure the Y clearance on both arms (6) of the fork with the recommended Sécheron’s “Y” gauge (or a feeler gauge). -
Page 36: Check And Adjustment Of The Z Clearance
Maintenance UR46-81/82S D.6.5 Check and adjustment of the Z clearance ± 0.2 Requirement: Z = 1.6 This measurement is performed with the circuit-breaker opened. A correct Z clearance setting is important to correctly operate the auxiliary contacts (2), which signal the circuit-breaker status (opened or closed). -
Page 37: Replacement Of The Main Contacts And The Pole
UR46-81/82S Maintenance Replacement of the main contacts and the pole a) Remove the arc chute (see § D.5.1 "Arc chute removal"). b) Remove the spark arresters (1 below). D.7.1 Removal of the fixed contact, the pole and the metal strips a) If the blowing device (36,37,38,39,40,41) is present, remove the screws (36) and both magnetic cheeks (37), then disconnect the cable (38) and remove the electrode (39) with its support (40). -
Page 38: Replacement Of The Moving Contact
Maintenance UR46-81/82S D.7.2 Replacement of the moving contact Disassemble a) Remove the coolers (34) and the plates (35). b) Remove both flexible connections (15). c) Remove the catches (18) with the pins and threaded nut rod by unscrewing one of the nuts (19). -
Page 39: Refit The Arc Chute
UR46-81/82S Maintenance Assemble the fixed contact g) Check the condition of the surfaces at the point of contact (32). These should be flat, smooth and clean. h) Place the contact fixe (5) on the fixed part (28). Raise the end (6) of the fixed contact (5) by three centimetres to be able to tighten both nuts (27) simultaneously to a tightening torque of 10 Nm. -
Page 40: Replacement Of The Arc Chute Parts
Maintenance UR46-81/82S Replacement of the arc chute parts D.9.1 Replacement of de-ionizing plates and baffles a) Remove the arc chute (1, see § D.5.1 "Arc chute removal") and place it upright on a bench. b) Loosen the six bolts (2) by several turns, starting from the bolts at the top. c) Separate the tops of the arc chute walls (3) by about 8 mm to form a “V”. -
Page 41: Replacement Of The Closing Device
UR46-81/82S Maintenance D.10 Replacement of the closing device Important! Never touch the screw (32). Removal a) Disconnect the wires (1). b) Remove both M6 earth connection screws (2). c) Unscrew the three M8 nuts (3) and remove the entire device (4). 04629-S Reassembling d) Insert the entire device (4). -
Page 42: Replacement Of The Direct Release
Maintenance UR46-81/82S D.12 Replacement of the direct release Removal a) Remove the moving contact (1) with the catches: see § D.7.2 "Replacement of the moving contact". b) Remove the shock absorber unit (2) and the pusher assembly (3): see § D.13 "Replacement of the pusher and the shock absorber". -
Page 43: Replacement Of The Pusher And The Shock Absorber
Reconnect the connector (1) and the earth connection (2). 04634-S D.14 After sales services For any return of merchandise to Sécheron, please refer to our website “www.secheron.com” and click on “Services / RMA”. Document number: SG104148TEN Revision: B01 Issue date: 20.8.2012 Copyright©... - Page 44 Maintenance UR46-81/82S This page intentionally left blank Document number: SG104148TEN Revision: B01 Issue date: 20.8.2012 Copyright© 2012 Sécheron SA - This document is not contractual and contains information corresponding to the level of technology at the date of release. D-44 File: d-UR46-8S_maint_en.fm...
-
Page 45: Trouble Shooting
UR46-81/82S Trouble shooting Trouble shooting DANGER! To ensure maximum safety, servicemen and operators must read the A.2 "Safety precautions" section before starting installation, maintenance and adjustment of the device or before starting to operate it. Procedure After all adjustment, perform a check according to § E.3. E.1.1 Main circuit malfunctions Defect... -
Page 46: Auxiliary Switches Malfunctions
Trouble shooting UR46-81/82S Type M closing device Defect Possible causes Remedies 1. Check the power of the alternating current Closing current too low: source. I < I The circuit- 2. Charge the batteries. breaker does not Closing pulse too short: maintain its Modify the delay of the pulse (at drop-out). -
Page 47: Adjustments Of The Closing Coil
UR46-81/82S Trouble shooting Adjustments of the closing coil Procedure 1 This procedure: • reduces the gap on the E type closing device. • increases the gap on the M type closing device. 04641-S a) Mark (1) the position of the cover (2) in relation to the body (4) with a pen. b) Loosen the four screws (5). -
Page 48: Performance Check
Trouble shooting UR46-81/82S Procedure 3: adjusting the rated gap a) Remove the four screws (5) and remove the cover (2). b) Rotate the flange (9) until the following E dimensions are obtained: ±0.1 – E = 10 mm for type E (electric hold) ±0.1 –... -
Page 49: Replacement Of The Auxiliary Contacts
UR46-81/82S Trouble shooting Replacement of the auxiliary contacts To be performed in case of a damaged auxiliary contact (for example, by a short-circuit). a) Disconnect the earth connection nut (7). b) Remove the auxiliary contacts housing (1) and the transparent cover (2). c) Remove the first switch (3), then the first insulation sheet (4) and continue until you find the defective switch (by testing them with an electric multi-meter). - Page 50 Trouble shooting UR46-81/82S This page intentionally left blank Document number: SG104148TEN Revision: B01 Issue date: 20.8.2012 Copyright© 2012 Sécheron SA - This document is not contractual and contains information corresponding to the level of technology at the date of release. E-50 File: e-UR46-8S_trouble_en.fm...
-
Page 51: Wear & Spare Parts Catalogue
1 to 10 11 to 100 101 to 500 > 500 After sales services For any return of merchandise to Sécheron, please refer to our website “www.secheron.com” and click on “Services/RMA”. Document number: SG104148TEN Revision: B01 Issue date: 20.8.2012 Copyright© 2012 Sécheron SA - This document is not contractual and contains information corresponding to the level of technology at the date of release. -
Page 52: Catalogue
1201 1202 1200 1192 1196 1197 04602-S Pos. Part number WP SP Description UR46-81S SG100017P1 SHEET 157x18x1 RIGHT 1KV-MU METAL SG100017P2 SHEET G 1KV 18x1x193-MU METAL 1192 HSBA300168P46001 CONNECT 20x6x341.5 UR46 POLE 1KV-CU UR46-82S SG100017P3 SHEET 249x18x1 RIGHT 2KV-MU METAL... - Page 53 UR46-81/82S Wear & spare parts catalogue Pos. Part number WP SP Description 142* HSBA300172R46002* CONNECT FLEX UR46 RIGHT ASM* 1196** HSBA331202P0001** ANTI-SPARK PL 138x119x21.3-BMC** In case of presence of the blowing device ANTI-SPARK RIGHT 137.5x122x21.3 UR346- 1196 SG102106P00001 EBOD-BMC ANTI-SPARK LEFT 137.5x122x21.3 UR346- 1197 SG102107P00001 EBOD-BMC...
-
Page 54: Closing Device
Wear & spare parts catalogue UR46-81/82S F.4.2 Closing device 1330 100027-1 Pos. Part number WP SP Description CLOSING DEVICE HSBA100027R0700 24 / 48 V type E HSBA100027R0600 24/ 48 V type M HSBA100027R0900 32 / 64 V type E HSBA100027R0800 32 / 64 V type M HSBA100027R0500 36 / 72 V type E... -
Page 55: Direct Tripping Device
UR46-81/82S Wear & spare parts catalogue F.4.4 Direct tripping device 1200 02683 Pos. Part number WP SP Description 1200 DIRECT TRIPPING DEVICE 2 to 8 kA HSHR230035R0200 4 to 15 kA HSHR230035R0100 HSBA200070R0300 2 to 5 kA (option) HSBA200070R0400 4 to 10 kA (option) F.4.5 Frame and accessories 110408-2... -
Page 56: Arc Chute
Wear & spare parts catalogue UR46-81/82S F.4.6 Arc chute 5806 5803 5805 5804 5806 5802 5802 5805 5803 5805 131305-S Pos. Part number WP SP Description Arc chute without blowing device HSBA131305R0002 ARC CHUTE 81S HSBA131306R0002 ARC CHUTE 82S Arc chute with blowing device HSBA131305R00006 ARC CHUTE 81S EBOD-ASS HSBA131306R00006... -
Page 57: Options
UR46-81/82S Options Options DANGER! To ensure maximum safety, servicemen and operators must read the A.2 "Safety precautions" section before starting installation, maintenance and adjustment of the device or before starting to operate it. Manual closing device G.1.1 Description Mounted at the rear of the closing device (1), the manual closing device (2) enables the customer to close the circuit-breaker manually. -
Page 58: Over Current Release Indicator & Contact Wear Indicator
Options UR46-81/82S Over current release indicator & contact wear indicator These options can be connected to the low voltage connector only if the auxiliary switches are in “type U changeover” configuration (see § C.11 "Earth connection"). G.2.1 Description Over current release indicator Attached to the rear of the closing coil (1), the over current release indicator (2) counts the number of times the circuit-breaker is tripped by an overcurrent release. -
Page 59: Manual Tripping Device: M3 Type
UR46-81/82S Options Manual tripping device: M3 type Sécheron’s reference of the complete kit : SG104226R00500. G.3.1 Description The circuit-breaker can be manually tripped by pushing the rod (1). Pressure on the rod (1) causes the plate (2) to rotate, which lifts the fork (3), and releases the moving contact (4). -
Page 60: Troubleshooting
Options UR46-81/82S G.3.3 Troubleshooting Fault Possible causes Remedies See § 1. Lever (4) does not rotate Circuit-breaker does not trip or plate (3) does not lift. Adjust the J clearance following an order. G.3.2 2. J clearance too wide. and tighten the screw (8) or both screws (9). -
Page 61: Installation - Electrical Connection
UR46-81/82S Options G.4.2 Installation - Electrical connection BIM5: connect the 6 mm cables (1) coming from the CID-3 into the terminal (2); there is no recommended polarity. BIM6: connect both 2.5 mm cables (3) on your device. 03698 G.4.3 Maintenance - J clearance Refer to the §... -
Page 62: Checking And Adjusting The J Clearance
Options UR46-81/82S Checking and adjusting the J clearance The J clearance is the operating clearance for the indirect and manual releases. +0.3/-0 J = 0.4 mm for BIM5 and BIM6 indirect releases ±0.25 J = 1.0 mm for the M3 manual release. Note! This measurement is taken with the circuit-breaker closed. -
Page 63: Vertical Mechanical Release
UR46-81/82S Options Vertical mechanical release G.6.1 Description of the vertical mechanical release Used for circuit-breaker mounted on a trolley, the vertical release (1) allows to mechanically open the circuit-breaker when the trolley is moved out of its working position. When the roller (1) rolls over an incline, it rises the rod (2), which rotates (8) the plate (2), thereby lifting (6) the fork (3) and opening the moving contact (4). -
Page 64: Varistor
Options UR46-81/82S Varistor G.7.1 Description This varistor (1) protects the closing device relays from the overvoltage that occurs when the closing device (2) opens. G.7.2 Trouble shouting Remove both screws (3) to replace the varistor (1) as shown by the position label (4). Screws: M4x6 + flat washer;... -
Page 65: Direct Release Type De
UR46-81/82S Options Direct release type DE Important! When the circuit-breaker trips following a direct release, the fork remains in closed position and need to be reset to its open position by giving an “OFF” order to the closing coil. G.8.1 Description •... -
Page 66: Spare And Wear Parts Catalogue
Options UR46-81/82S G.8.4 Spare and wear parts catalogue 1250 03669 Pos. Part number WP SP Description 1250 SG101522R0300 SPRING TRIPPING DEVICE 2 - 5 kA SG101522R0400 SPRING TRIPPING DEVICE 4 - 8 KA SG101522R00500 SPRING TRIPPING DEVICE 6 - 10 KA SG101522R00600 SPRING TRIPPING DEVICE 9 - 15 KA Position indicator... -
Page 67: Veam Low Voltage Connections
UR46-81/82S Options G.10 VEAM low voltage connections The mobile connector needs to be ordered separately. Connector specifications • VEAM swivel type, with 22 contact pins for conductors from 1.5 to 2.5 mm , using a multi-core cable. • The 20x1.5 mm and the 2x2.5 mm (positions 21 and 22) male pins are made of gold plated copper.
Need help?
Do you have a question about the UR46-81S and is the answer not in the manual?
Questions and answers