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Tmax T8

Instructions for installation, service and
maintenance of low voltage moulded case
circuit-breakers

Instructions for installation
and service

1SDH000682R0002 L5757

Содержание Tmax T8 L3692

Страница 1: ...Tmax T8 Instructions for installation service and maintenance of low voltage moulded case circuit breakers Instructions for installation and service 1SDH000682R0002 L5757 ...

Страница 2: ...ACE Division L3885 L5757 Doc N Mod Apparatus Drwg Title App Resp Off LB DTAT User Office Scale Language en 1SDH000682R0002 Instructions for installation service and maintenance of low voltage moulded case circuit breakers ...

Страница 3: ...uctions for use 10 7 1 Operating and signalling components 10 7 2 Circuit breaker closing and opening procedures 10 8 Maintenance 12 8 1 Warnings 12 8 2 Maintenance program 12 8 2 1 Circuit breaker life 12 8 2 2 Maintenance program 12 8 3 First Level maintenance operations 13 8 3 1 Preliminary operations 13 8 3 2 General inspections and cleaning 13 8 3 3 Circuit breaker connections and connections...

Страница 4: ...L3692 Tmax T8 4 39 Doc N Mod Apparatus Scale Page N 1SDH000682R0002 L3885 L5757 ...

Страница 5: ...responds to what was ordered Any damage or non compliance found when the material has been unpacked which must be carried out with due care must be notified within 5 days of receipt and the number of the shipping notice must be indicated on the notification 3 Storage lifting and weights Protected by an external wooden crate the circuit breaker is fastened with screws to the pallet used for transpo...

Страница 6: ...holes in the compartment door The operations required for installation putting into service routine and supplementary maintenance must be performed by skilled personnel with detailed knowledge of the equipment To install a circuit breaker in the switchboard just fix it to a vertical surface with M8 screws fig 7 The circuit breaker must only be installed in a vertical position Fig 6 Comply with the...

Страница 7: ...on illustrates examples of possible constructions depending on the shape and size of the circuit breaker terminals It is normally advisable to use the entire contact surface of the terminal thus the width of the busbar should be the same as that of the terminal Different capacities can be obtained for the connections by adjusting the thickness and number of busbars in parallel In certain cases red...

Страница 8: ...ays insert a flat washer with a large diameter to distribute the tightening pressure over the widest possible area and a spring washer Establish contact between the connection and terminal and fully tighten the fixing screws Always use two wrenches to prevent the insulating parts from being unduly stressed and apply the tightening torque of the main terminals 70 Nm 615 lb in for M12 high strength ...

Страница 9: ...voltage Perform a few closing and opening operations Note Supply the undervoltage release at the relative rated voltage if provided Supply the undervoltage release at the relative rated voltage and perform the circuit breaker closing operation Turn off the voltage supply to the release Supply the undervoltage release at the relative rated voltage and perform the circuit breaker closing operation C...

Страница 10: ... lock on the closing operation to order Fig 13 2 3 6 Fig 15 7 2 Circuit breaker closing and opening procedures Circuit breaker operation can be either manual or electrical a Manual operation for loading the closing springs Makesurethat O circuit breakeropen isdisplayedbytheindicator Make sure that the indicator 6 is WHITE springs unloaded Repeatedly operate the lever 2 until the colour of the indi...

Страница 11: ...er closing This operation can only be carried out when the closing springs are fully loaded Press the push button 5 marked with the letter I for closing in the manual mode When there is a shunt closing release the operation can also be carried out in the remote mode by means of the special control circuit Closing is signalled by the relative indicator 3 which moves to the I position Moreover the i...

Страница 12: ...ace if different applications are involved 2 Extreme weather conditions polluted atmosphere or vibrations can reduce the life of the application Ask ABB Sace 8 2 2 Maintenance program We hereby include the table indicating the frequency with which maintenance should be carried out and the relative routine maintenance operations required Compliance with the following rules is also recommended Even ...

Страница 13: ...his problem is denoted by the change in the colour of the parts in contact These parts are usually silvery in colour Make sure that the bolts of the terminal connections are well tightened M12 70 Nm WARNING if work must be performed on the circuit breakers disconnect the power circuit and auxiliary circuits and earth the terminals in a visible way on both the supply side and load side Make sure th...

Страница 14: ...e points indicated in figure 21 with MOBILGREASE 28 EXXON MOBIL Make sure that the opening and closing shafts are free to turn Fig 21 8 3 6 Electrical and mechanical accessories Make sure that the accessories are securely fixed to the circuit breaker Make sure that the electrical accessories are correctly connected to the circuit breaker Gearmotor after every 10000 operations check the brushes for...

Страница 15: ... flash drive connection Once the connection between the relay and PC has been established make sure that there are no alarm signals from the relay If this is the case consult the error messages and or troubleshooting sections of this manual In normal operating conditions proceed with the trip test and autotest depending on the type of relay For future check outs you are advised to enter the curren...

Страница 16: ... Make sure that the screws that fasten the fixed part to the switchboard are well tightened M8 25 Nm 8 4 3 Circuit breaker connections and connections between circuit breaker and switchboard Remove any dust and dirt from the isolating parts with a brush and dry cloth use a mild cleaning product if necessary A cleaning products such as Henkel s 273471 or equivalent can be used if there is a heavy c...

Страница 17: ...ure 27 det A as per the First Level the shafts and opening closing latches with MOBILGREASE 28 EXXON MOBIL Clean use a cleaning product such as Henkel s 273471 or equivalent if there is a heavy coating of dirt and lubricate the operating shaft supports including those on the sides of the circuit breaker see figure 27 det B with MOBILGREASE 28 EXXON MOBIL Make sure that the opening and closing shaf...

Страница 18: ... termination 8 4 8 1 Test with SD Testbus2 optional Connect unit BT030 or BT030 USB to the relay that needs to be tested Run the SD TestBus2 program in a PC equipped with Bluetooth or Flash Drive connection depending on the version of the BT030 used Once the connection between the relay and PC has been established make sure that there are no alarm signals from the relay If this is the case consult...

Страница 19: ... unloaded Open Springs loaded Closed Springs unloaded Closed Springs loaded Make sure that the accessories if installed function correctly Make sure that the gearmotor if installed functions correctly Make sure that the undervoltage release functions correctly if installed Make sure that the shunt opening release functions correctly if installed Make sure that the shunt closing release functions c...

Страница 20: ...y voltage different from the value indi cated on the nameplate of these releases Check the voltage indicated on the nameplate of the releases Faulty switching circuit Check the connections fuses interlocks protec tion switches and accept contacts Loose clamping screws of the wires and auxiliary circuits Make sure that the wire clamping screws are tight Incorrect electrical connections in the power...

Страница 21: ...igure in the electrical circuit diagrams YO 4 YC 2 YO2 8 Undervoltage release YU The undervoltage release opens the circuit breaker when there is a sensible reduction or lack of the voltage that powers it It can be used for remote tripping by means of normally closed pushbuttons as a lock on closing or to control the voltage in primary or secondary circuits The release power supply is therefore br...

Страница 22: ...r the overcurrent release has tripped a Mechanical trip signalling for overcurrent releases Enables visual signalling on the operating mechanism by pushing the trip button in when the circuit breaker has been opened after the overcurrent releases have tripped The circuit breaker can only be closed again by putting the pushbutton back in its normal position in the standard configuration Reference f...

Страница 23: ... Source Ground Return The In of the toroid can be regulated to 100 A 250 A 400 A 800 A by using different combinations of connections Reference figure in the electrical circuit diagrams UI 0 c Homopolar toroid for residual current protection The toroid enables the residual current protection to be activated and can be used in conjunction with the PR332 P LSIRc release The accessory is fitted with ...

Страница 24: ...he device is not safe to use if 1 The unit shows visible signs of damage 2 The unit does not function e g with autotest or with the trip test unit 3 The unit has been damaged during transport The circuit breaker must be open before any servicing or replacements are made Also remember to disconnect any power supplies connected 11 1 1 Notes for dielectric strength tests it is forbidden to perform di...

Страница 25: ...ale Page N L3885 L5757 12 Overall dimensions Version with front terminals 1600A 2000A 2500A F IEC UL Key 1 Inside edge of compartment door 2 Drilled M8 holes for fixing circuit breaker use M8 screws 3 Insulating or insulated metal wall 1 3 2 2 N N Fig 31 ...

Страница 26: ...pparatus Scale Page N L3885 L5757 Version with extended front terminals 2000A 2500 ES IEC Fig 32 Key 1 Inside edge of compartment door 2 Drilled M8 holes for fixing circuit breaker use M8 screws 3 Insulating or insulated metal wall 2 N N 1 3 2 ...

Страница 27: ...terminals in flat bar 2000A 2500A HR IEC VR IEC UL NOTE if installed vertically the adjustable rear terminals in flat bar are also suitable for 3200A IEC Fig 33 Key 1 Inside edge of compartment door 2 Drilled M8 holes for fixing circuit breaker use M8 screws 3 Insulating or insulated metal wall 1 3 2 2 N N ...

Страница 28: ...2 Apparatus Scale Page N L3885 L5757 Version with vertical rear terminals 3200A VR IEC Fig 34 Key 1 Inside edge of compartment door 2 Drilled M8 holes for fixing circuit breaker use M8 screws 3 Insulating or insulated metal wall 2 N N 1 3 2 ...

Страница 29: ...02 Apparatus Scale Page N L3885 L5757 Version with vertical rear terminals 3000A VR UL Fig 35 Key 1 Inside edge of compartment door 2 Drilled M8 holes for fixing circuit breaker use M8 screws 3 Insulating or insulated metal wall 2 N N 1 3 2 ...

Страница 30: ... Doc N Mod 1SDH000682R0002 Apparatus Scale Page N L3885 L5757 Compartment dimensions Holes drilled in compartment door Depth 3 POLES 4 POLES Fig 36 Fig 38 Insulation distances for installation in metal cubicle Fig 37 ...

Страница 31: ... S or direct direction input for protection D only with Uaux and PR332 P release K51 SZout DFout Zone selectivity input for protection S or direct direction input for protection D only with Uaux and PR332 P release K51 YC Closing control from PR122 DC or PR123 DC microprocessor based release with communication module PR330 D M and with actuator unit PR330 R K51 YO Closing control from PR332 P micr...

Страница 32: ...g unit PR021 K outside the circuit breaker INCOMPATIBILITY The circuits indicated in the following figures cannot be supplied at the same time in the same circuit breaker 6 7 8 13 14 41 42 45 43 44 46 NOTES A The circuit breaker is only fitted with the accessories specified in the ABB SACE order acknowledgement Consult this catalogue for instructions about how to make the order B The undervoltage ...

Страница 33: ...4 of connector XV are reserved for voltage measurements if U 690 V In this case they must be connected to the secondary of the voltage transformer TU see fig 44 Ask ABB SACE for residual current applications with over 690 V voltage values Z Short circuit T5 and T6 if the outside neutral current sensor UI N is not connected Circuit diagram symbols Standards IEC 60617 and CEI 3 14 3 26 Shield may be...

Страница 34: ...h PR232 P T8 PR331 P or PR332 P electronic release Circuit diagram Operating state Three pole circuit breaker with PR232 P T8 PR331 P or PR332 P electronic release Three pole or four pole switch disconnector Three pole circuit breaker with PR332 P electronic release residual current protection and U 690 V Z U U ...

Страница 35: ...L3692 Tmax T8 35 39 Doc N Mod 1SDH000682R0002 Apparatus Scale Page N L3885 L5757 Motor operator opening closing and undervoltage releases Signalling contacts s ...

Страница 36: ...XR6 T3 4 K51 L1 L2 L3 T4 T1 T2 T3 N XR5 XR5 1 T1 9 PR332 P 5 1 XR5 T1 T4 T2 T3 Q 5 XR11 64 XR11 1 3 63 61 2 XR11 K21 K21 S51 P1 S51 P1 95P 95P 98P 98P ACHTUNG Anmerkung F ATENCIÓN leer la nota F WARNING read note F ATTENTION lire remarque F ATTENZIONE vedere nota F N K14 K11 K15 K14 K15 SZin DFin SZout DFout K11 K51 K51 GZout DBout GZin DBin K51 K13 K13 K51 K12 K12 W4 W4 W3 W3 F 24V K2 K2 K1 K1 K5...

Страница 37: ...ax T8 37 39 Doc N Mod 1SDH000682R0002 Apparatus Scale Page N L3885 L5757 Auxiliary circuits of the PR332 release with communication module PR330 D M connected to actuator unit PR330 R PR120 K signalling module ...

Страница 38: ......

Страница 39: ...y Tel 39 035 395 111 Telefax 39 035 395 306 433 http www abb com Since both the Standards and materials used are subject to continual developments the characteristics and over all dimensions given in this catalogue may only be con sidered binding after they have been confirmed by ABB ...

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