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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Modèles disponibles:

DS-PR531-3A

Specification

  • Outputs
  • Auxiliary Power Output1
  • On-board sounder output1
  • Bus interconnection
  • Bus-extenderSupport
  • Bus technologyHalf-Duplex RS-485
  • Bus wiring4-Core Alarm Cable (at least 2×0.5mm²+2×0.22mm²)
  • Power supply - general
  • PS typeType A
  • Quiescent current75 mA @15VDC (when on battery without external load)
  • Power supply - primary power supply
  • Mains Input~ 100-240V 50/60Hz, 1.4 A typ. @115 VAC, 0.85 A typ. @ 230 VAC
  • Power supply capacity15 VDC 5 A (0.5 A dedicated to battery)
  • Power supply - auxiliary power supply
  • Battery pack1 × rechargeable sealed lead-acid (SLA) battery (not included by default)
  • Battery capacity12VDC, up to 7Ah (≥ 5600 mAh in charged state)
  • Recommended batteryOUTDO OT7-12 (7Ah), Yuasa NP7-12FR (7Ah)
  • Battery stand-byUp to 12 hrs
  • Recharge period24 hrs to 80% (5600 mAh)
  • Floating voltage13.8VDC
  • Low energy voltage11.60±0.5 V (Restore when rise above 11.74±0.5 V)
  • Cut-off voltage11.0 VDC for deep-discharge protection
  • Power supply - general output
  • Total output capacityNominal 14.5VDC 4 A, range 10.7-15 VDC with up to 120 mV ripple (VPP)
  • Total output protection4 A resettable eFuse
  • Power supply - auxiliary power output
  • Output protection3 A resettable eFuse
  • Power supply - Bus power output
  • Output protection(Shared AUX power output)
  • Power supply - sounder power output
  • Output protection3 A resettable eFuse
  • Environmental
  • Operating temperature-10°C to 50°C (14°F to 122°F), indoor use only
  • Storage temperature -20°C to 60°C (-4°F to 140°F)
  • Relative humidity10% ~ 90% non-condensing
  • Physical
  • Dimension (W × H × D) 360 mm × 260 mm × 96.3 mm
  • 1500 g
  • Tamper-proofFront and Rear
  • Installation methodWall mount
  • Compliance
  • Electrical conformityCE, CB
  • EN 50131Security Grade 2, Environmental Class II

Specification

Specification
Outputs
  • Outputs
  • Outputs
Bus interconnection
  • Bus interconnection
  • Bus interconnection
  • Bus interconnection
Power supply - general
  • Power supply - general
  • Power supply - general
Power supply - primary power supply
  • Power supply - primary power supply
  • Power supply - primary power supply
Power supply - auxiliary power supply
  • Power supply - auxiliary power supply
  • Power supply - auxiliary power supply
  • Power supply - auxiliary power supply
  • Power supply - auxiliary power supply
  • Power supply - auxiliary power supply
  • Power supply - auxiliary power supply
  • Power supply - auxiliary power supply
  • Power supply - auxiliary power supply
Power supply - general output
  • Power supply - general output
  • Power supply - general output
Power supply - auxiliary power output
  • Power supply - auxiliary power output
Power supply - Bus power output
  • Power supply - Bus power output
Power supply - sounder power output
  • Power supply - sounder power output
Environmental
  • Environmental
  • Environmental
  • Environmental
Physical
  • Physical
  • Physical
  • Physical
  • Physical
Compliance
  • Compliance
  • Compliance

Ressources

Documents techniques

Language: English

Firmware

Pour une expérience utilisateur optimale, nous vous recommandons vivement de mettre à jour votre appareil avec le dernier firmware dès que possible.

Firmware

Pour une expérience utilisateur optimale, nous vous recommandons vivement de mettre à jour votre appareil avec le dernier firmware dès que possible.
Applied to:
DS-PR531-3A

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