Tag Archive for: Emergency rescue Device
https://i0.wp.com/suvastika.com/new/wp-content/uploads/2022/11/erd3-768x576-1.jpeg?fit=768%2C576&ssl=1 576 768 Manish Roshan https://suvastika.com/new/wp-content/uploads/2022/12/Main-Logo-340-×-156-px.png Manish Roshan2022-11-06 09:52:572022-11-14 16:33:48What is emergency rescue device?
What is emergency rescue device?
An Emergency Rescue Device (ERD) is an electronic and electrical apparatus that provides emergency power to the elevators with 3-phase power supply, when the input power source or mains power fails. An ERD differs from an auxiliary or emergency…