MICOM P632-34901140-407-621-720-461-946 Differential Protection Devices for Complete Protection of Electrical Power Transformers Easergy MiCOM P63x series differential protection devices are designed for fast, selective, short-circuit protection of transformers, motors, generators and other installations. Models available: Easergy MiCOM P631, P632, P633, P634 and MiCOM P630C