Features Remote Automatic Power Control: Easily implement remote automatic power off control, commonly used in fire control rooms to cut off non-fire power supply, ensuring safety in emergency situations. Voltage-Triggered Route Protection: Releases the circuit breaker and provides route protection when the control voltage exceeds 70% to 110% of the rated voltage, preventing electrical accidents. Hazard-Free Operation: No explosion hazard from the medium, ensuring no corrosion or damage to insulation from harmful gas and conductive dust, enhancing safety. Accident Prevention: Prevents accidents from escalating, safeguarding the safety of electricity usage and minimizing potential hazards. User-Friendly Design: Easy and convenient to use, providing a hassle-free experience for installation and operation. Specification: Condition: 100% Brand New Material: Plastic Color: As Pictures Shown Rated Working Voltage: AC/DC110-400V Package List: 1 * Shunt Release Package List