Specifications: Electrical Rating: 20A, 125VAC 16A, 250VAC Operating Temperature: 50 to 150 degrees Celsius Contact type:normally closedTemperature Tolerance: A : +/-5K B: +/-7.5K Reset Temp:30K 50K Circuit Resistance: 50m ohms maximum Over shootTemp limit:200C30sec Operating Life: 10,000 cycles (resistive load,16A250VAC,20A125VAC) 30,000 cycles (at 10A 250VAC,ENEC10) Weight: 1.0g Certificate: ULcULENEC10