1 Certificate:UL,TUV,CQC,ROSH 2 120V,1A & 220V,1A 3 -55~ ... Thermostat JUC-31F . II Products features:Juc-31F mini thermostat is contact temperature sensing snap thermostat with plastic shell,have passed the TO220/Y220 standard,Juc-31F mini ... applied in PCB board/cooling devices. III Application:Telecommunication power,switch power,UPSpower,medical power,FEPS,PDB, Audio power amplifier equipment ...