Accessories
3.7 Accessories for the Electronic Trip Unit
3WJ Air Circuit breakers
88 Operating Instructions, 12/2022, L1V30828903001-01
Connection
Malfunctions and incorrect test results can occur if the connection sequence is not followed.
Test socket on the electronic trip unit
Cable with SUB D (40 pole) (hand-held test device) to plug connector (40 pole)
Power supply
The hand-held test device is supplied from an AC voltage network:
• 220 ... 240 V 50/60 Hz
• 110 ... 125 V 50/60 Hz
Factory setting: 220 ... 240 V
The selector switch is located on the circuit board within the hand-held test device.
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