It is used in auto-control circuit with the circuit of AC50Hz, rated voltage 380V or under as liquid level equipment. It can be used in water as liquid level control components. Specifications: 1) Outline dimension: 67 x 45 x 112mm 2) Contact: changing contact: 1C 3) Contact capacity: AC220V 5A(resistance) 4) Power consumption: less than 2W 5) Operation voltage: AC36V, 110V, 127V, 220V, 380V, 50HZ 6) Fixing mode: surface mounting