Power supply BP 1220
The power supply unit BP 1220 is designed to power security alarm, fire alarm, fire extinguishing and warning components. Design The power supply unit is equipped with protection against overcurrent, overheating, incorrect connection, deep battery discharge and charger short circuit. An automatic transition between the main and backup power sources is provided. The unit's output voltage terminals are duplicated to allow load distribution. Additionally, the 1220 power supply has outputs for transmitting the “general fault” and “fault of the main power supply” signals.
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