Bus Power Supply Unit (3A)

Delivers stable power to all connected system devices
3A AUX output (shared with bus power) for detectors and peripherals
3A dedicated siren output for reliable alarm notification
Total combined output up to 4A (AUX/Bus + Siren)
Built-in bus extender for extended bus range
Supports expander slots for flexible system expansion
Backup battery support (7Ah) for uninterrupted operation

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Available models:

DS-PR531-3A