Accessories
3.7 Accessories for the Electronic Trip Unit
3WJ Air Circuit breakers
86 Operating Instructions, 12/2022, L1V30828903001-01
Sliding disconnect secondary contact modules for guide frame
Installation of the other accessory components for the secondary disconnect terminals
corresponds to that of the fixed-mounted circuit breakers, see Chapter Secondary disconnect
terminals for fixed-mounted Circuit breakers (Page 83).
Connection of secondary disconnect terminals
3.7 Accessories for the Electronic Trip Unit
3.7.1 Hand-held test device
The hand-held test device is used to check that the following devices function properly:
• Electronic trip unit
• Energy and current transformer
• Tripping solenoid F5
• Measured value display
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