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Auxiliary Supply Points (ASP’s)

Suitable for:Rail, Transport & Tunnelling

Product description

Baldwin & Francis design and manufacture robust, high quality ASP’s and are a renowned supplier of these to the UK Rail Industry. Due to their reliability and ease of installation, B&F ASP’s are installed across the UK network. Each ASP is designed and built to the customers bespoke requirements with B&F offering support through the entire project life cycle (from extensive/detailed design assistance, site support, install and commission, maintenance).

Key features

  • Robust, high quality design
  • Long service life, high reliability and reduced maintenance
  • Quality Switchgear
  • Up to 3 power sources
  • Ensures power continuity in the event of any power source failure
  • Compact design
  • No need for containers/buildings
  • Can incorporate UPS as required
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    Technical Specifications

    Mains Supply Voltage 230V single phase, 400V 3 phase, 400V TP&N, & 650V single phase & 650V TP&N
    Outgoing Supplies 230V to 650V single or 3 phase
    Signal Supply Protection Overload and short circuit via MCCB, fuses or electronic protection relays. Insulation monitoring. Auto – Reclose equipment can be fitted where required.
    Remote Monitoring control PLC, RMU and remote digital signals as required. Local annunciator panel as required.


    • Can be installed in brick built trackside buildings & GRP housings
    • SCADA monitoring and remote control facilities available
    • Baldwin and Francis relocatable custom container type trackside housings for mains/DNO and traction incomer switchboards
    • Mobile Generator Incomer as third level back up available
    • Monitoring and control marshalling cubicle with or without PLC
    • Can be supplied as a completely integrated system incorporating UPS’s and Diesel Generators – depending on line
    • Made to order – designed and engineered to meet customer project requirements
    • Separate battery rooms
    • Forced ventilation (or air-conditioning if required), with full noise attenuation


    All Baldwin and Francis equipment is designed with ease of maintenance in mind. We offer several maintenance solutions to suit your specific means.

    Accreditations & memberships

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    The B&F Team has experience across all our sectors and many electrical installations. Get in touch with one of the team to see how B&F can assist you with your project requirements.