24V 2A Unregulated Door Release PSU Part No. BF377

  • A boxed door release power supply unit designed to provide DC power to 24V DC electromagnetic door retainers.
  • Can be controlled automatically from a fire alarm control panel or manual release keyswitch.
  • 2A max. output.
  • Includes Mains On and Output Triggered indicators
  • No battery back up facility.
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Application/operation A boxed unregulated DC power supply providing 2A @ 24V to control multiple electromagnetic door retainers. Max. magnets 20 @ 100mA or 26 @ 75mA.
Mains supply 230V 50/60Hz.
Output 2A @ 22-29V DC.
Quiescent current 300mA max.
Indicators Mains On; Output Triggered.
Connections SW1 input (auto release from a fire panel): requires +18-30V DC @ 30mA to trigger; SW2 input (manual release): switches power off when shorted.
Product dimensions (mm) 330 W x 270 H x 92 D mm.
Construction & finish Metal lid with grey and white label; Metal base.
IP Rating IP30.
Weight 4kg.
Operating conditions/temperature -10ºC to +40ºC. Max relative humidity: 95%.