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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
UK Next Day Delivery
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No Min Order Charges
Technical Support
Flexible Payment Terms
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

April 22, 2026

Finder 7L Series: LED Panel Lights for Electrical Enclosures

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Finder 7L Series LED Panel Lights for Electrical Enclosures

Finder 7L Series

The 7L Series comprises a LED lights for electrical panels with magnetic mounting. They are the perfect solution for lighting machinery and electrical panels of all types.

They are extremely practical and functional and easily positioned anywhere within the electrical panel thanks to the direct magnetic mounting or through screw supports.

Functions & Features:

  • Mounting “Two in one” : Direct magnetic mounting or through a screw-fixed metallic support
  • Versions for switching ON/OFF via integral switch, or integral movement detector
  • Brightness levels: 600 or 1200 lumens
  • Power supply – Multi-voltage: 12…48 V AC/DC and 110…240 V AC/

Applications:

  • Panels for Electrical Distribution
  • Control Panels

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

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

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April 20, 2026

Finder 7H Series: Panel Heaters

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Finder 7H Series Panel Heaters

Finder 7H Series

The 7H Series of panel heaters prevent condensation
and ensure the optimum temperature within an electrical
panel.

Functions & Features (according to Type):

  • Heater Power 25 – 50 – 100 or 150W
  • Fan Assisted Heaters 250W and 400W
  • Power Supply 110…230V AC/DC
  • PTC Self-Regulating Heating System
  • Safe Touch
  • 35mm Rail (EN 60715) Mount with Clip

Applications:

  • Drying Kilns
  • Hoists and Cranes
  • Road / Tunnel Lighting
  • Automatic Car-Washe
  • Panels for Electrical Distribution
  • Control Panels
  • Forced-Air Ventilators

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

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

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UK distributor of electrical and electronic components.

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