elevator ard HH-ARD-3P150 automatic rescue device 7kw 7.5kw 11kw

Automatic rescue device HH-ARD-3P185B device has bolt holes at the bottom of the box, which can be firmly installed on the structure with M8 bolts or wall-mounted installation. ARD-3P series three-phase high-frequency sine wave elevator power outage emergency device. In the event of a power grid outage, it can automatically start after a delay of 15 seconds, providing emergency power to the elevator control system to make the elevator car run slowly to the flat position and open the door to release passengers.