Automatic Changeover Switches

More Available In Usually 3-4 weeks
Availability: %1 in stock
Special Price Excl. VAT
Per Each

At Expert Electrical we understand that finding a product with the correct specification is vital for both efficiency and safety reasons. In electrical systems, the right part in the right place is essential. This is why you’ll find an electrical changeover switch with the amp rating you need. From a 25 amp changeover switch to 630 amps, we've got a wide range of items, all meeting the same high standards

  • Features

    The Electrical Changeover Switch Range at Expert Electrical

    If you’re looking for an automatic changeover switch, and need a comprehensive selection to choose from, then Expert Electrical Supplies has the range for you.

    At Expert Electrical we understand that finding a product with the correct specification is vital for both efficiency and safety reasons. In electrical systems, the right part in the right place is essential. This is why you’ll find an electrical changeover switch with the amp rating you need. From a 25 amp changeover switch to 630 amps, we've got a wide range of items, all meeting the same high standards.

    High Specification Equipment

    Reliability is always important in electrical systems, and as such, LED indicators and a test switch are fitted to each automatic changeover switch; this helps you to check that the system is working as it should.

    We know that not all systems are the same, which is why each and every electrical changeover switch is available with many optional extras. We are happy to provide these additions on request, including isolators or MCCBs, so that you can get the exact product you need for the job.

    Meeting Standards

    Our products are supplied as complete units, which are pre-wired into a secure steel enclosure. The enclosures are finished in industry standard RAL7035 light grey, and are rated at IP66. This means you can be confident that they are protected from the ingress of dust and are a water resistant.

    Your auto changeover switch will also feature 4 pole contactors with a 230V coil voltage, and a phase monitoring relay. The incoming connection is found at the bottom of the unit, and the outgoing load at the top.

    Buy an Electrical Changeover Switch from Expert Electrical

    As our name suggests, we are expert suppliers of electrical equipment, and as such, you can be sure that all of our products are of a very high quality and specification. If you need an automatic changeover switch, then there’s no better place to buy than our excellent online store. Quickly and easy buy online in the following current ratings:

    • 25A AC3 / 40A AC1 / 11KW
    • 40A AC3 / 60A AC1 / 18.5KW
    • 50A AC3 / 80A AC1 / 22KW
    • 65A AC3 / 80A AC1 / 30KW
    • 80A AC3 / 110A AC1 / 37KW
    • 95A AC3 / 110A AC1 / 45KW
    • 115A AC3 / 200A AC1 / 55KW
    • 150A AC3 / 200A AC1 / 75KW
    • 185A AC3 / 275A AC1 / 90KW
    • 225A AC3 / 275A AC1 / 110KW
    • 265A AC3 / 315A AC1 / 132KW
    • 330A AC3 / 380A AC1 / 160KW

    Key Features

    • Water and dust resistant steel enclosure rated at IP66.
    • Powder coated to RAL7035 light grey.
    • Fitted with 4 pole Chint contactors with 230V coil voltage.
    • Available in KW ratings of 11KW to 160KW. Large sizes available on request
    • Supplied as a complete unit with all components pre-wired in a steel enclosure.
    • Fitted with a phase monitoring relay that monitors the three phase incoming supply.
    • Incoming connection bottom, (normal supply left, standby supply right.)
    • Outgoing load connection top.
    • Front of panel includes LED indicators and test switch to check the systems is working correctly.
    • Guarantee: 3 years

    Auto Changeover Switch Internal

    If you're quite ready to order, or need an official quotation, please contact us at [email protected].

  • Specifications & Dimensions
    Coil Voltage 230V AC
    Dimensions Located Below Specifications Table
    Product Type Automatic Changeover Switch
    Sku DSC04P**
    kW Rating

    DSC04P2 (25A AC3) to DSC04P9 (95A AC3)

    • Height: 400mm
    • Width: 400mm
    • Depth: 200mm

    DSC04P10 (115A AC3) to DSC04P17 (630A AC3)

    • Height: TBC
    • Width: TBC
    • Depth: TBC

  • Reviews
  • Product Questions & Answers

    Product Questions & Answers

    No questions yet. Be the first to ask the question!
  • Product Codes
    SKUkW / Amp Rating  
    DSC04P211kW / 25A  
    DSC04P418.5kW / 40A  
    DSC04P522kW / 50A  
    DSC04P630kW / 65A  
    DSC04P837kW / 80A  
    DSC04P945kW / 95A  
    DSC04P1055kW / 115A  
    DSC04P1175kW / 150A  
    DSC04P1290kW / 185A  
    DSC04P13110kW / 225A  
    DSC04P14132kW / 265A  
    DSC04P15160kW / 330A  


Free Delivery

Applies to orders over £50 excluding VAT. If the order is below £50 a delivery charge of £5 +VAT will be added for a 1-3 day tracked service.

Guaranteed next working day deliveries are available from £7 +VAT and free for orders over £150 +VAT, depending on the warehouse location. See delivery zones below for Scottish Highlands and International shipping zones. This applies to orders up to 30kg in weight.

Click & Collect

You can collect your order from our warehouse which is located at Unit 4A Buckley Rd Ind Est, Buckley Road, Rochdale, OL12 9EF.

Our warehouse opening hours are:

  • Monday to Thursday: 8AM - 5PM
  • Friday: 8AM to 4PM
  • Saturday: 9AM to 12PM

Courier & Tracking

We use  DPD Local for all of our deliveries apart from heavier palleted goods. If you insert your mobile number at checkout, you will receive a text message to confirm your delivery date the day before the delivery. On the delivery day you'll receive further text updates including a 1 hour delivery slot. If you're not available you can arrange a different date or alternative drop-off point with DPD. Tracking information and order updates will also be available in your customer order area.


DPD Local provide a contact-free delivery service. Our warehouse and delivery network will remain open. This includes lock downs.

Export Information & Brexit

We're proud to offer a worldwide delivery service to any location in the known universe. Simply input your delivery details in the checkout and the shipping costs and relevant taxes will be calculated. A breakdown of delivery costs and zones can also be located below.

Delivery Zones

Zone 0

Standard UK mainland areas. Free delivery on orders over £50 excluding VAT.

Zone 1 UK

Charged at £7 excluding VAT and free on orders over £150 excluding VAT. Includes the following areas:

  • Channel Islands; Guernsey & Jersey (please select these from the Country list (not UK)
  • Isle of Man
  • Isle of Wight
  • Northern Ireland
  • Scottish Highlands, areas which we class as zone 1 are post codes: AB30-38, AB44-56, FK17-99, G83, IV1-28, IV30-32, IV33-39, IV52-54, IV63, KW1-14, PA21-33, PA34-40, PH18-26, PH30, PH31-41, PH49-50
  • Scottish Islands: HS1-9, IV40-51, IV55-56, KA27-28, KW15-17, PA20, PA30, PA32-34, PA41-49, PA60-78, PH42-44, ZE1-3

Zone 1 EU - Same rates as Zone UK

  • Republic of Ireland

Zone 2

Charged at £12. Includes the following areas:

  • Austria
  • Belgium
  • Denmark
  • France
  • Germany
  • Luxembourg
  • Netherlands

Zone 3

Charged at £25. Includes the following areas:

  • Czech Republic
  • Italy
  • Slovakia
  • Spain

Zone 4

Charged at £30. Includes the following areas:

  • Estonia
  • Finland
  • Hungary
  • Slovenia
  • Poland
  • Portugal
  • Sweden

Zone 5

Charged at £40. Includes the following areas:

  • Bosnia
  • Bulgaria
  • Croatia
  • Greece
  • Iceland
  • Latvia
  • Lithuania
  • Romania
  • Serbia

Zone 6

Charged at £60. Includes the following areas:

  • Norway
  • Russia
  • Switzerland
  • Ukraine

Zone 7

The rest of the world is charged at £80.

Cut Off & Delivery Times

If your order is placed before 3PM Monday to Thursday and before 2PM on Friday it will usually leave on a next day delivery service. This is providing that all of the items are in stock, we have live stock data on each product on our website. If your order is particularly urgent please choose the next working day option or part shipment option were we ship the items we have in stock and send the rest when they arrive. These as a guaranteed delivery services, if your delivery doesn't arrive, we'll refund the delivery charge. We prioritise next day deliveries over standard orders and will contact you if any goes wrong with the order.

If we are out of stock of any items you will receive a notification by email. If the items are delayed by longer than a week then we will notify you of this. We can also arrange for direct shipments from some of our manufacturers, if we are out of stock and you need something urgently please contact us and we will offer the fastest delivery options.

Next day deliveries are classed as next working day and don't include weekends. We also offer Saturday AM and Saturday all day services which are available at the checkout for zone 0 addresses. A Sunday service is also available on request, or you can place a Saturday delivery and change the delivery date directly with DPD via their App after you receive your tracking information.

Returns can now be generated within the customer order area here. Simply select your order from the dropdown menu along with a reason for return. Your return will then get processed quickly and efficently. Alternatively email us at: [email protected] with your order number and reason for return and we'll send you a returns authorisation form.

Returns & Cancellations

If you’re not satisfied with your goods and would like to return them, we will accept them back at the customer's expense. All unwanted goods must be returned in 100% resalable condition and within 30 days. Resalable condition includes no markings on the wires or terminals and no damage to the packaging.

To cancel your order please contact us immediately as we process and ship most of orders immediately, we're fast!

How to Return

Please log-in to your account and follow the simple process to generate a returns request. Or email our team at: [email protected]. We recommend returning goods using a recorded delivery method.


Refunds will be issued within 14 days of receipt of goods. Refunds of delivery costs will not be issued unless the products are defective.

Shortages & Damaged Goods

Shortages and damaged goods must be notified within 48 hours preferably by email to  [email protected] or Tel: 01706 860011.