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24V 250mA Door Release Power Supply Unit

£62.00 excl VAT

  • A compact Mains derived power supply unit designed to provide power to 24V DC electromagnetic door retainers.
  • Maximum output 250mA.
  • Trigger Release, Hold Off and Local Trigger Inputs facilitate straightforward connection to fire alarm control panels, building management systems, timers, relays and other ancillary equipment.
  • Includes a manual release button, a Mains On and an Output Triggered indicator.
  • Can be mounted on a standard 25mm UK double gang flush or surface back box.


Application/operationA double gang Mains derived power supply providing 250mA @ 24V DC for powering up to 5 electromagnetic door retainers rated @ 50mA each.
Mains supply230V 50/60Hz.
Output250mA @ 21-28V DC.
IndicatorsMains On; Output Triggered.
ControlsTrigger Release: requires +5-27V DC @ 5mA ; Hold Off (failsafe): requires a constant +5-27V DC @ 5mA; Local Trigger: Triggers when taken to 0V; Manual release via red button on PSU fascia.
ConnectionsHold off; Trigger Release; Local Trigger; +V & 0V output.
Product dimensions (mm)147 W x 87 H x 39 D mm.
Construction & finishWhite PVC plate; Light grey label.
IP RatingIP40.
Operating conditions/temperature-5ºC to +40ºC. Max relative humidity: 95%.


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