BF375M 1A 24V PSU View larger

24V 1A Regulated Power Supply

BF375M

New

  • A general purpose mains to regulated 24V d.c. power supply unit intended for use in fire alarm systems of all sizes.
  • Includes a built-in 24V double pole changeover relay.
  • Provides a stabilised output of 27.6V
  • Mains On, Battery/PSU Fault and Output Triggered indicators.
  • Trigger and hold off inputs can be used to control the internal relay.
  • Optional back-up batteries can be fitted to maintain the output in the event of mains failure.

CE

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Technical Specifications

Application/operation A boxed Mains to regulated DC power supply providing 1A @ 24V DC c/w with an on-board relay.
Mains supply 230V 50/60Hz.
Output 1A @ 27V DC. (100mV ripple).
Battery charge capacity 1.2 Ah to 2.1 Ah.
Quiescent current 15mA max.
Max battery size and type 2 x 12V 2.1 Ah VRLA (for approx. 80 hours stand by). Note 2 x 12V 1.2Ah VRLA will typically provide 36 hours standby.
Open collector outputs Fault monitor: Normally off; Max. off voltage: +27 V DC; Max. current when on: 50mA.
Indicators Mains On, Battery/PSU Fault and Output Triggered.
Controls Trigger input: +5-27V DC (max. current 1mA;) Hold Off Input: +5-27V DC (max. current 1mA). Voltages with respect to 0V.
Connections Hold off; Trigger; Fault Output; 0V; N/O; N/C; +24V.
Product dimensions (mm) 271 W x 200 H x 70 D mm.
Construction & finish Hinged metal lid with grey and white label; Metal base.
IP Rating IP30.
Weight 2.3kg (without batteries).
Operating conditions/temperature -5ºC to +40ºC. Max relative humidity: 95%.

Documentation

Non EN54-4 PSU DoC

Declaration of Conformity (EMC/LVD) DOC0000065 Rev 1

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Dimensions & Mounting Information

Product dimensions: 271 W x 200 H x 70 D mm. Designed for surface mounting only.

BIM/CAD Drawings

BIM Drawing (REVIT)

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CAD Drawing (DWG)

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