Connection and commissioning
5.2 Mounting and connecting the device
3VA27 molded case circuit breakers & 3WL10 air circuit breakers
Manual, 10/2018, L1V30499596002-01
167
Changing the orientation of the rear terminals for main circuit connection (vertical/horizontal)
The rear terminals of the circuit breaker are delivered completely mounted. They can be
turned from the horizontal to the vertical orientation and vice verse if necessary.
1. Remove the rear terminals for main circuit connection from the circuit breaker and pull the
terminals out of the insulating frame.
2. Disconnect the two parts of each terminal and place one on top of the other again.
– For vertical orientation: The two widened ends are opposite each other (see figure
below).
– For horizontal orientation: The two widened ends are next to each other and point in
the same direction (see figure above)
3. Turn the terminals into the required orientation and insert them back into the insulating
frame.
4. Remount the rear terminals for main circuit connection on the circuit breaker.
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