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We have in stock, or can make available power supplies from well-known brand names such as Meanwell and Ideal Power
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Over 40 Years Experience
E. Preston Electrical

Power Supplies

What are Power Supplies?

A power supply is a device that supplies electrical energy to an electrical load. It converts one form of electrical energy to another, such as converting AC (alternating current) to DC (direct current). Power supplies are used in a variety of electronic devices, from computers and cell phones to TVs and gaming consoles.

What Do We Supply?

We supply an extensive range of power supplies, including:
External Power Supplies
Battery Chargers
DC/DC Converters
LED Drivers
Internal Power Supplies (DIN rail, Enclosed, PCB Mount, Open Frame, U Frame)

Why Choose E. Preston?

In over forty years of being in business, we have built a reputation as a company that does business in a more traditional, perhaps old-fashioned way. In our customer service we pay attention to what some may see as small things, like ringing back when we say we are going to do so, and following through on promises.

We have staff who have expert knowledge and are happy to provide technical assistance to you on the products we sell, whenever you need it.

Where we can, we will ensure you get next day delivery on your product order, and we are also happy to discuss flexible payment terms if that will help.

One or great strengths at E Preston is our access to thousands of products, including power supply products, which will be suitable for a variety of uses and applications.

We have in stock, or can make available power supplies from well-known brand names such as Meanwell and Ideal Power.
If it is choice you need, then look no further than us
to discuss your power supply product requirements, or to ask a technical question.

Featured Products

Manufacturers

News

September 9, 2025

Finder Type 68.22 - High Power Relay 100 Amp

Image

The Type 68.22-4300 100 A PCB mount power relay is ideal for a variety of high power applications such as generators, UPS, pumps, photovoltaic inverters and EV chargers.

Finder 6822

Functions & Features

  • Contact gap ≥ 3.6 mm (according to VDE 0126-1-1,
    EN 62109-1, EN 62109-2)
  • DC coils, with 700 mW holding power
  • Reinforced insulation between coil and contacts
  • Suitable for use at ambient temperatures up to 85 °C
  • Conforms to EN 60335-1 resistance to heat and fire
    (GWIT 775 °C e GWFI 850 °C)
  • Cadmium free-contacts

Applications

  • Power generators
  • Back-up generators
  • Pump controls
  • Disabled lifts
  • Inverters

Enquiry Form: https://www.epreston.co.uk/contact/

Home Page: https://www.epreston.co.uk/epblog/

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September 8, 2025

Bulgin IEC Connectors

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A full range of quality mains rated inlets, outlets and connectors conforming to IEC and EN 60320 specifications carrying UL, CSA, VDE and other approvals.

Bulgin iec connectors

With electrical ratings up to 20A, 250V (UL) these connector ranges offer solutions to most mains powered equipment and cable applications.

The combinations of mounting styles and terminations include: flange fixing, snap to panel and PCB mounting versions together with 2.8/ solder tabs, 4.8 and 6.3 fast on tabs, screw terminal and PC spill versions.

Completing the range are insulating boots, retaining and safety covers.

In addition to the standard black moulding, most styles are also available in either white or grey and special colours to match OEM equipment can also be supplied. (Subject to product approval requirements)

Bulgin iec connectors2

Enquiry Form: https://www.epreston.co.uk/contact/

Home Page: https://www.epreston.co.uk/epblog/

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