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Products :: Power Supplies and Timers
  • Continuously rated
  • Voltage regulated
  • Fire relays fitted as standard
  • Output is current regulated
  • Fused to prevent overload

  • Relcross transformers can be used with low voltage electromagnetic hold open door closers
  • Timers enable provision of flexible access control solutions

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    Full Product Detail »    		 Relcross standard duty 12V DC Power Supplies
     Product Code: PS01

    The Relcross standard duty power supply range features includes:

  • CE Certified & ROHS Compliant
  • Continuously rated
  • Voltage regulated
  • Fire relay fitted as standard
  • Output is current regulated
  • Fused to prevent overload
  • Enclosure fabricated from 1.2 mm steel finished RAL 7035 with 20 mm knock outs
  • Operating LED indicators externally visible
  • Fault warning LED indicators on circuit board
  • Voltage free fire relay contacts
  • Over current & short circuit protection
  • Over temperature protection
  • Over input-voltage protection
  • Warning relay contacts for mains failure or low battery voltage
  • Battery backup facility - requires one NP-7 12V 7A/hr battery
  • Low battery voltage cut out prevents damage to batteries on discharge
  • Battery reverse polarity protection

    • 12V DC power supplies data sheets:
    Rel.PS01N - 12 V DC 2.0 Amp
    Rel.PS05N - 12 V DC 4.0 Amp

    Enclosure size:
    H355mm * W255mm * D90mm


    High power versions - 5.0 & 8.0 Amp versions available


    Full Product Detail »    		 Relcross standard duty 24V DC Power Supplies
     Product Code: PS02

    The Relcross standard duty power supply range features includes:

  • CE Certified & ROHS Compliant
  • Continuously rated
  • Voltage regulated
  • Fire relay fitted as standard
  • Output is current regulated
  • Fused to prevent overload
  • Enclosure fabricated from 1.2 mm steel finished RAL 7035 with 20 mm knock outs
  • Operating LED indicators externally visible
  • Fault warning LED indicators on circuit board
  • Voltage free fire relay contacts
  • Over current & short circuit protection
  • Over temperature protection
  • Over input-voltage protection
  • Warning relay contacts for mains failure or low battery voltage
  • Battery backup facility - requires two NP-7 12V 7A/hr batteries
  • Low battery voltage cut out prevents damage to batteries on discharge
  • Battery reverse polarity protection

    • 24V DC power supplies data sheets:
    Rel.PS02N - 24 V DC 1.0 Amp
    Rel.PS06N - 24 V DC 2.0 Amp

    Enclosure size:
    H355mm * W255mm * D90mm


    High power versions - 4.5 & 7.0 Amp versions available


    Full Product Detail »    		 Relcross heavy duty 12 V DC power supplies
     Product Code: PS03

    The Relcross heavy duty power supply range features includes:

  • CE Certified & ROHS Compliant
  • Continuously rated
  • Constant voltage regulation of output
  • Fire relay interface to fire alarm system voltage free contacts
  • Output is current regulated
  • Fused to prevent overload
  • Enclosure fabricated from 1.2 mm steel finished RAL 7035 with 20 mm knock outs
  • Operating LED indicators externally visible
  • Fault warning LED indicators on circuit board
  • Over current & short circuit protection
  • Over temperature protection
  • Over input-voltage protection
  • Battery backup facility - requires NP-7 12V 7A/hr battery
  • Battery management provides low battery warning at 11.5 volts following mains failure
  • Battery management provides battery disconnect at 10.3 volts to prevent deep discharge of battery on discharge at end of battery run time
  • Battery reverse polarity protection
  • Three 2A fused outputs with fuse failure LED switched by fire relay
  • One non switched output
  • Cooling fan which only cuts in should temperature increase occur

    • 12V DC power supplies data sheet:
    Rel.PS03N - 12 V DC 5.0 Amp
    Rel.PS09N - 12 V DC 8.0 Amp

    Enclosure size:
    H465mm * W255mm * D90mm


    Full Product Detail »    		 Relcross heavy duty 24 V DC power supplies
     Product Code: PS04

    The Relcross heavy duty power supply range features include:

  • CE Certified & ROHS Compliant
  • Continuously rated
  • Constant voltage regulation of output
  • Fire relay interface to fire alarm system voltage free contacts
  • Output is current regulated
  • Fused to prevent overload
  • Enclosure fabricated from 1.2 mm steel finished RAL 7035 with 20 mm knock outs
  • Operating LED indicators externally visible
  • Fault warning LED indicators on circuit board
  • Over current & short circuit protection
  • Over temperature protection
  • Over input-voltage protection
  • Battery backup facility - requires two NP-7 12V 7A/hr batteries
  • Battery management provides low battery warning at 23.0 volts following mains failure
  • Battery management provides battery disconnect at 20.5 volts to prevent deep discharge of battery on discharge at end of battery run time
  • Battery reverse polarity protection
  • Three 2A fused outputs with fuse failure LED switched by fire relay
  • One non switched output
  • Cooling fan which only cuts in should temperature increase occur

    • 24V DC power supplies data sheet:
  • Rel.PS04N - 24 V DC 4.5 Amp
  • Rel.PS08N - 24 V DC 7.0 Amp

    • Enclosure size:
  • H465mm * W255mm * D90mm

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    Full Product Detail »    		 Relcross EL Battery Back Up Power Supply
     Product Code: PS0.ELBB

    Relcross manufacture a power supply that is designed to work with Von Duprin EL99 series escape hardware.
    Key features include:

  • CE Certified
  • Enclosure from 1.2 mm steel finished RAL 7035 with 20 mm knockouts
  • Fault warning LED indicators
  • Fire relay triggered from fire alarm panel voltage free contact
  • Over current & short circuit protection
  • Over temperature protection
  • Over input-voltage protection
  • User configurable warning relay for mains failure or low battery voltage or fire alarm warning
  • Low battery voltage cut out to prevent permanent damage to batteries
  • Battery reverse polarity protection
  • Supplied with 2 * 7A/hr Yuasa NP sealed lead acid batteries

    • EL BB power supply data sheet:
  • Rel.ELBB.pdf

    • Enclosure size:
  • PS0.ELBB - H355mm * W255mm * D90mm

    • Please note: for EL9927 & EL9957 (two or three point locking) this power supply must be used with batteries

    Full Product Detail »    		 Relcross light duty 12V DC Power Supplies
     Product Code: PS011

    Relcross manufacture a full range of power supplies that are designed to work with access control hardware.
    Key features include:

  • CE Certified
  • Enclosure from 1.2 mm steel finished RAL 7035 with 20 mm knock outs
  • Fault warning LED indicators
  • Multi voltage fire relay 12 volts DC
  • Single stage over current protection
  • Thermal overload protection
  • Battery backup facility with battery management
  • Low battery voltage cut out prevents damage to battery on discharge
  • Battery reverse polarity protection

    • 12V DC power supplies data sheets:
    Rel.PS011 - 12 V DC 1.0 Amp
    Enclosure size:
    237H * 195W * 75D


    Full Product Detail »    		 Relcross PS07 Transformer
     Product Code: PS07

    The Relcross PS07 power supply is specifically designed and manufactured for use with low voltage electromagnetic hold open door closers:

  • Fire alarm relay included as standard
  • The alarm relay is controlled by the fire alarm system volt free contacts - (this must be specified for installation)
  • On fire alarm activation, the relay de-energises releasing the track arm solenoid thus allowing the door to close and form the necessary fire compartmentation barrier
  • Works with LCN 4040 SE 'Sentronic' series solenoid operated track arm & closers

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    Full Product Detail »    		 Relcross Timers & Relays
     Product Code: TD12

    Relcross timers can be incorporated into our 12 & 24 V DC power supplies to address a number of access control requirements:


  • Exit delay timer - timer module specifically designed to delay unauthorized use of exit doors in non-emergency periods

  • Seven day timer - enables the switching control of electrified locks at certain times of the day only - data sheet

  • TD12 & TD24 Delay timer - permits a short delay of up to 45 seconds, for example to allow passage before re-energising a magnetic lock - data sheet

  • Relcross universal relay - 12 or 24V DC powered & triggered by a 5-30V AC or DC pulse data sheet

  • Relcross toggle relay - 12V DC converts a momentary switch to work as an alternate one

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