Non-automatic withdrawable circuit breaker, with cradle (Guide Frame), UL1066/IEC60947-2, FS 1, 4-poles, N-pole left, In=1600A up to 635V AC 50/60Hz, breaking capacity N, 50/50kA at 508/635V AC, rear horizontal connection, (with rotatable T-connectors), cradle with shutter, position signall. switch,