It has the interlock function of opening and maintenance operations to ensure the safety of maintenance operations

Short-time 200% overload capacity

AC380V output at the same time, provide AC220V control power supply, support system neutral line (N)

Overvoltage, undervoltage, energy storage, overcurrent protection to ensure equipment safety

Three-phase sine wave SPWM high frequency pulse width modulation control technology

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

Automatically delay start after power failure, adjustable delay time

Type B products support automatic switching to maintenance mode emergency rescue mode

Elevator minor failure automatic recovery function is optional

Emergency rescue power is isolated and output through a step-up transformer to ensure the safety of elevator control system equipment