... ,VDE,CQC 2 250v 10a&-10~260centigrade 3 tolerance +/-3 & +/-5 4 life span>100,000 times Water Heater Thermostat(ksd301) Technical parameters ... :1.Electrical parameters:1)CQC,VDE,UL,CUL AC250V 50~60Hz 5A/10A/15A(Resistance load ... , mini round moving ring, flat moving ring general aluminum cover with mounting hole, extra length aluminum cover ...