The power supply unit BP-12/2A esp. L (hereinafter referred to as the Device) is intended for power supply of technical means of security and fire alarm system with nominal voltage of 12 V DC.
The device is powered from AC mains 220 V 50 Hz (hereinafter referred to as "AC mains") or from a battery (hereinafter referred to as "Battery") with voltage 12 V and capacity of 7 Ah or 17 Ah. The device has protection against overcurrent and short circuit (short-circuit) on the output.
The device provides indication of the mains voltage status, battery and its charge circuits, as well as the output voltage. The device has additional information galvanically isolated outputs of the mains and PSD status for external indication and processing by other devices.
Parameters of outputs: switched voltage - up to 24 V at current up to 40 mA, resistance at closed contacts - not more than 510 Ohm.Average service life of the device - not less than 10 years.
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