Non-automatic withdrawable circuit breaker, with cradle (Guide Frame), UL1066/IEC60947-2, FS 1, 4-poles, N-pole left, In=1200A up to 508V AC 50/60Hz, breaking capacity N, 50kA at 508V AC, rear horizontal connection, (with rotatable T-connectors), cradle with shutter, position signall. switch,