6.3 Removing the protection relay
1. Turn off the power.
2. Detach the plug-in unit from the case.
3. Disconnect the wiring.
4. Loosen the four M5 fixing screws.
Figure 49: Loosening the M5 screws
5. Detach the case from the panel cut-out.
6.4 Sending protection relay for repair
• In case of product problems, contact the nearest ABB office or representative for
consultation and instructions.
6.5 Exchanging protection relay
• To exchange the protection relay with another identical unit, remove the
protection relay and install the new one.
Removing, repairing and exchanging
1MRS757641 G
60 620 series
Installation Manual