It has the interlock function of opening and maintenance operations to ensure the safety of maintenance operations
Elevator minor failure automatic recovery function is optional
AC380V output at the same time, provide AC220V control power supply, support system neutral line (N)
A variety of shutdown methods are available
Cooperate with the elevator control system to command the elevator to automatically select the light-load direction for rescue operation
Constant voltage, constant current, and trickle automatic switching intelligent charging, prolonging the life of maintenance-free lead-acid batteries
Innovative internal digital constant voltage control algorithm, fast and stable dynamic response
High-efficiency toroidal transformer isolation inverter boost, safe and reliable
Automatically delay start after power failure, adjustable delay time
Overvoltage, undervoltage, energy storage, overcurrent protection to ensure equipment safety
250% short-term overload capability