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4
INSTRUCTION HANDBOOK
5. SEPARATE TREATMENT
Table below lists parts requiring a separate treatment adding information about part location inside
circuit breakers and related quantity.
Description
Cap kits
Lever
Lever support
Support
Cables protection
Rating plug case
Rating plug printed circuit board
Backplane
Trip unit case
Trip unit back cover
Trip unit printed circuit board
Motor PCS support
Trip coil
Trip coil group
MID
Wires cover
Wiring
RTC lever
Operating mechanism
Unlocking shaft appendices
Springs charging lever
Protections
Fixed contacts protections
Covers
Sensors
Insulation protections
If disassembled parts require a separate treatment a specific indication is provided inside each phase
with reason why for the separate treatment (see Chapter 6).
6. DISASSEMBLY PROCESS
Circuit breakers disassembly process is constituted by a sequence of operations to be performed on
products after their dismounting from original installation. For each phase following information are
provided:
• Part/parts to be disassembled (title of the phase)
• Tools to be used
• Description of actions to be performed
• Pictures showing actions to be performed
• List, quantity and picture of disassembled parts with an indication about separate treatment (when
applicable)
• In case of potential hazards signal below is reported
Position inside circuit breaker
In correspondence of circuit breaker connection terminals
In the T.U. reset group
In the T.U. reset group
Mounted on the upper part of the circuit breaker
Mounted on the back part of the trip unit
Mounted on the front of the trip unit
In the rating plug case
Mounted on the back part of the trip unit
On the trip unit
On the trip unit
In the trip unit
Mounted on the left part of the circuit breaker
In the trip coil group
Mounted on the left part of the circuit breaker
Mounted on the right part of the circuit breaker
Mounted on the left part of the circuit breaker
Mounted on the left part of the circuit breaker
Mounted on the right side of the operating mechanism
Mounted on the center of the circuit breaker
Mounted on the pin of the operating mechanism
Mounted on the left side of the operating mechanism
Mounted on the upper case assembly
Mounted on the fixed contacts
Below the sensors
In the bottom part of the circuit breaker
On the moving contacts assembly
Quantity
6
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
1
2
3
3
3
3
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