Relcross PS02 | 24Vdc 1.0 Amp Power Supply (PSU)
Relcross PS02 | 24Vdc 1.0 Amp Power Supply (PSU)

Relcross PS02 | 24Vdc 1.0 Amp Power Supply (PSU)

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Engineered and manufactured in the UK by Relcross Door Controls, the PS02 power supply ensures seamless integration with a wide range of electrified locks and accessories from various manufacturers, provided ratings are compatible. When paired with access controllers, it intelligently switches power at the lock upon authorised entry (via code, card, tag, or fob), supporting both fail-secure and fail-safe operations through a dedicated entry relay.

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  • Additional Product Details

    24Vdc 1.0 Amp Power Supply

    This continuously rated power supply accommodates electromagnetic door closers, FSE & FS electrified locks used in access control systems and FS electrified locks used on escape routes.

    When used with access controllers, all power supplies switch power at the electrified lock when an authorised code, card, tag or fob is presented at the secure side of the door. Fail secure (FSE) locks require power to be switched on to release the lock. Fail-safe (FS) locks require that power be switched off. Both functions are provided via an Entry Relay. Relcross will provide the correct entry relay to suit the access controller. However, if we are not providing the controller, we must know the controller's output at the outset. Electromagnetic hold-open closers are controlled by the building's fire alarm/detector; the door closes automatically in the event of a fire or power failure. 

    • Two-stage current protection
    • Short circuit protection
    • Thermal overload protection
    • Constant voltage regulation
    • Mains failure or low battery voltage warning, user-selectable
    • Enclosure door 3 LED status indicators
    • PCB-mounted engineering status LED indicators, show: Over Current & Relay Status
    • Battery management electronics providing: Low Voltage Trip (to disconnect battery and extend battery life) & Reverse Battery Polarity Protection
    • Cabinet dimensions in mm: 325mmH * 255mmW * 90mmD


    Relcross manufactures the PS0 series of power supplies and transformers specifically for use with access control and door control hardware. However, our power supplies can be used with any manufacturer’s electrified locks and accessories, provided the rating and operational expectations are carefully checked. 

    Briton Fire Door Closers | Briton Exit Devices | Briton Locks | Relcross Power Supplies

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    Relcross Limited (trading as) Door Hardware Online | Hambleton Avenue | DEVIZES | Wiltshire | SN10 2RT | United Kingdom | T: ++ 44 (0) 1380 720 062 | F: ++ 44 (0) 1380 729 888 |  E: britonsales@doorhardware-online.co.uk 

  • Certification

    UKCA | CE | Warranty: 2 Years (Electrical)

    Certificates, including DoPs downloadable here

  • Resources | Downloads

    Relcross PS02 | 24Vdc 1.0 Amp Power Supply (PSU) - Installation