Rate of rise heat detector HC-306A

Rate of rise heat detector Model HC-306A
Oveall structure :
Adopted Voltage 18v-28v ( DC24v)
Mainframe:
Fire resisting ABS resin material
Monitoring electric current: 0 1/4 A
Joint terminal copper rod (zinc-plated)
Funtioning electric current 60mA
Base:
fire-resisting resin material copper rod (zinc-plated)
Suitable temperature : 15 ~ 50 C
0~ 95% RH
Color : ivory
Size : 103mm x 43mm
Weight : 150g