uxcell 4PCS KSD301 40C 104F NC Thermostat Temperature Thermal Control Switch Product Name : Temperature Switch;Model : KSD301;Action Type : NC(Normal Close) Action Temperature : 40C/104F;Voltage : AC 250V 10A;Circuit Resistance : 50 Mohm Insulation Resistance : 100 Mohm;Withstand Voltage : AC1500V/ minute;Size : 3.4 x 3.2 x 1.2cm / 1.3" x 1.2" x 0.5(L*W*H) Mounting Hole Dia : 5 x 3.5mm(L*W) 1.5mm;Mounting Hole Center Distance : 23mm/0.9", 25mm/1";Material : Metal Weight : 19g;Package : 4 x Temperature Switch