ABB Tmax XT XT1 Disassembly Instructions Manual Download

Page: 13 / 16

Disassembly instruction tmaX Xt Xt1

6.8 PHASE 8 – MAIN CONTACTS ASSEMBLY AND UPPER TERMINALS

Tools

Actions to be performed

By means of the pliers remove the springs from

thermal/magnetic tripping groups.

Manually push the lower terminals of the circuit

breaker as indicated by the arrow and remove the

main contacts assembly.

Pliers

Manually push the upper terminals as indicated by

the arrow and after remove them.

Disassembled parts

• 3 springs (Metal)
• 1 main contacts assembly (Plastic and Metal)
• 3 upper terminals (Metal)

Summary of Contents for Tmax XT XT1

Page 1: ... INSTRUCTION HANDBOOK 1SDH002291A1001 ECN000285442 Tmax XT XT1 Disassembly instructions ...

Page 2: ......

Page 5: ...containing brominated flame retardants Tools 5mm Allen key Flat screwdriver 6 1 PHASE 1 CAP KITS 1 By means of the allen key remove the screws and the related washers connected with the cap kits 2 Insert the flat screwdriver as shown in the picture and push it up in order to remove the cap kits Actions to be performed Disassembled parts ...

Page 6: ...E 2 FRONTAL 3 By means of the cross screwdriver unscrew the 2 screws fixing the frontal to the circuit breaker main structure 4 Remove the frontal together with the 2 fixing screws Actions to be performed Disassembled parts 1 frontal Plastic 2 screws Metal ...

Page 7: ...wdriver unscrew the screw fixing the plug located in the left hole of the circuit breaker main structure 6 Manually remove the plug together with the fixing screw Disassembled parts 1 screw Metal 1 plug Plastic SEPARATE TREATMENT Thermoplastics containing brominated flame retardants Applicable to circuit breakers with S and H breaking capacities only ...

Page 8: ...toggle Plastic 6 4 PHASE 4 TOGGLE 7 Push the trip test button 9 By means of the pliers take the upper part of the toggle and remove it 8 Slightly push the toggle towards the bottom part of the circuit breaker Actions to be performed Tools Pliers ...

Page 9: ...me retardants 10 By means of the flat screwdriver unhook the 2 springs mounted on the operating mechanism 12 Manually remove the operating mechanism 11 By means of the cross screwdriver unscrew the 4 screws fixing the operating mechanism to the circuit breaker main structure Actions to be performed Cross screwdriver Tools 6 5 PHASE 5 OPERATING MECHANISM Flat screwdriver ...

Page 12: ...arate the arching chambers from their supports Disassembled parts 6 arching chambers Plastic or GPO 3 and Metal 6 arching chambers supports Plastic and Metal Arching chambers sides of circuit breakers with B C and N breaking capacities are made of GPO 3 while arching chambers sides of circuit breakers with S and H breaking capacities are made of plastic ...

Page 13: ...springs from thermal magnetic tripping groups 25 Manually push the lower terminals of the circuit breaker as indicated by the arrow and remove the main contacts assembly Pliers 26 Manually push the upper terminals as indicated by the arrow and after remove them Disassembled parts 3 springs Metal 1 main contacts assembly Plastic and Metal 3 upper terminals Metal ...

Page 14: ...ver Actions to be performed 27 By means of the flat screwdriver remove the plug located in the back part of the circuit breaker base Since all disassembly operations illustrated in this document are manual the CO2 equivalent emissions can be considered null negligible Disassembled parts 1 circuit breaker base Plastic 1 plug Rubber ...

Page 15: ......

Page 16: ... Copyright 2022 ABB All rights reserved Specifications subject to change without notice ABB SACE A division of ABB S p A L V Breakers Via Pescaria 5 24123 Bergamo Italy Phone 39 035 395 111 Fax 39 035 395 306 433 abb it lowvoltage ...