Contingency Power

Understanding your contingency power connection needs

IDE has over 25 years' experience in designing power distribution solutions. With direct access to our skilled engineers, we can help you understand and specify solutions for generator connection.

Highest reliability components and switchgear

You need to know that, when it's needed, the contingency power can be relied upon. We use the highest quality switchgear in all our products, giving you confidence.

Site survey and installation

We provide site surveys to advise on positioning and power connection and switching requirements, and can also install if required.

Long term partnership

We innovate to suit the needs of our customers and can create bespoke products and services to match your capital and operational budgets.

A quick and easy solution designed to automatically divert power from your electrical supply to your back-up generator in the event of a power failure. Most commercial facilities require a changeover panel to support the back-up generator as a standard part of their contingency power package. Available 40A-800A with a range of different contactors to suit the need of your application.

  • ATS200

    A 200A three-phase (400V) automatic transfer switch for use within temporary electrical installations. Adjustable phase…

    Automatic Transfer Switch

    A 200A three-phase (400V) automatic transfer switch for use within temporary electrical installations. Adjustable phase failure / under voltage relay monitoring of the primary, (duty), supply 1 only. The ATS effects automatic connection of a secondary, (standby), supply 2 to a load, upon failure of the primary, (duty), supply 1. Automatically switching back when supply 1 is re-instated. May be used on Mains – Generator, Mains – Mains, or Generator – Generator systems. Switching by a pair of mechanically and electrically interlocked 4 pole contactors. ATS class PC. Utilisation category AC-31B for resistive loads in line with BS EN 60947-6-1. Volt free changeover contact provided for a generator start signal. 20A Auxiliary supply for battery charging, jacket water heaters etc. Supply available and on load indication. Test switch simulating a phase failure. Timers to adjust switching between supplies.


    Sheet steel enclosure with hinged door, with a textured powder coat to RAL7035 (Light Grey). Complying with EN 62208, EN 61439-1-2. Protection to IP54 – IK10. Suggested internal installation, if mounted externally we recommend fitting a top canopy with bottom entry cabling only. Power cabling directly onto contactors.


    • Incomer: 2 x 200A 4 Pole Contactors (Mains & Standby)
    • Outgoing:
    • Dimensions H800 x W400 x D250
    • Weight 36kgs

    All our automatic transfer switches are manufactured by ide Systems in the UK and tested to BS 7671 (12 Months Certification) and the products used within our distribution systems conform to EN 60309, EN 60529, EN 60947 and have a 12 month warranty.

     For more information on our Automatic Transfer Switches please contact

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