... Protector Application: Motors, electromagnetic oven, vacuum cleaner, transformer, LED ballast Supply Voltage: DC5V~AC250V Operating Temperature: 50~150° ... , the bimetal disc bends back to connect the circuit, thus protecting the electrical appliance from overheat and overload ... types of Motors, Lamp ballasts, Transformers, Battery packs, LED driver power, Power switches, Electric tools, and the fields ...