Power failure emergency device - 3P
- 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
