1.Easily installed,and double protect for electronics. 2.Can assemble with circuit breaker and relay and ... double insulated,water proof,dust proof.Details: ApplyModelprotect gradeModelUsed by motor controlled circuit breaker with auxiliary,(mostly one pcs on the ... cover to protect the wire.IP41GV2-MC01IP55GV2-MC02diagram Portected Enclosure for GV2 motor protector circuit breaker,