Contact Us
About E. Preston (Electrical) Ltd
UK Next Day Delivery
Expert Advice
No Min Order Charges
Technical Support
Flexible Payment Terms
Over 40 Years Experience
E. Preston Electrical

About Us

E. Preston (Electrical) Ltd has been a specialist distributor of electrical and electronic components since 1980, offering thousands of products to meet a wide variety of needs and applications.

But we do more than simply sell components — we have built a reputation as a company who do business the traditional and honest way. Paying attention to the simple things — like phoning people back when we say we will — has kept our customers coming back for over four decades.

Our staff are experts in their fields, we maintain appropriate stock levels, and all of our processes are fully computerised to ensure a smooth operation.
We also understand that business is carried out between people, not companies. We do the hard work to maintain relationships with our suppliers as well as our customers. That way everybody in every part of the supply chain is satisfied – from the manufacturer to the end consumer.

The company, which is still wholly owned by the Directors, is located on a modern industrial estate which lies six miles to the east of Manchester in the North West of England.

Our Offering

E. Preston (Electrical) Ltd is a UK distributor of electrical and electronic components, including switch products, indicator lights, microswitches, control gear, connectors & terminals, circuit protection, liquid level & flow sensors, safety switches, timers & relays and input devices.

Our network of suppliers and manufacturers includes known and trusted brands such as ABB, Bulgin, Chint, Crouzet, Eaton, E-T-A, Finder, Honeywell, Johnson Electric, Schurter and Schaffner. As authorised distributors for these and other companies, E Preston is able to source the right components at competitive prices.

Our expert staff, UK warehouse and central location allow us to fulfil orders quickly and accurately. We also strive to keep our team up-to-date on the latest product launches and industry developments.
For technical support, purchasing or advice please
We will be more than happy to help

Featured Products

Manufacturers

News

February 25, 2026

Sensata / Crydom Full Range (PCB Mount AC Output) Solid State Relays

Image

SSRs with Small Footprint Designed to Mount on a Printed Circuit Board. Ratings from 1 to 25 Amps at 24 to 660 VAC

Image

Sensata | Crydom offers an extensive line of PCB Mount AC Output Solid State Relays including the popular industry standard footprint SIP, Mini SIP and DIP configurations, and most of the SIP type SSRs are also offered as DIN rail mountable assemblies.

Our PCB mount AC output SSRs are ideally suited for high density applications and they are available with ratings from 1 to 25 Amps at 24 to 660 VAC. Inputs are available covering 24 to 140 VAC or 3 to 32 VDC depending upon model.

With the exception of some AC output models rated greater than 10 Amps where forced air is used for improved output ratings, all of our PCB mount relay output ratings are based upon free air.

Crydom PCB SSR Range1
Crydom PCB SSR Range2
Crydom PCB SSR Range3
Crydom PCB SSR Range4

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

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

MORE
February 23, 2026

Finder Relays Comparison: Series 46, 55, 39

Image

Finder Series 46, 55, 39 Comparison


Finder 46 Series Miniature Industrial relays 8-16A

Finder 46 series Pic

The 46 Series Finder mini industrial relays are distinguished by their ability to adapt to a wide range of industrial and commercial applications.

Among the main technical advantages, they ensure wide range of voltages available in both AC and DC versions, high-performance contacts made of high-quality materials (providing excellent conductivity and long operating life), high isolation (Galvanic isolation between coil and contacts for enhanced safety and reliability), compatibility with automation systems (can be integrated with major industrial automation platforms).

Function & Features:
The 46 Series comprises industrial power relays with the following features (according to Type):

  • DC coils, 500 mW or AC coils, 1.2 VA
  • Socket mount or direct connection via Faston connectors
  • Available with lockable test button, mechanical flag & LED indicator
  • 8 mm, 6 kV (1.2/50 μs) isolation, coil-contacts

Applications:

  • Automation for Blinds, Grilles and Shutters
  • Elevators and Lifts
  • Shipyards
  • Road / Tunnel Lighting
  • Hoists and Crane
  • Bottling Plant
  • Control Panels
  • Panels for Electrical Distribution

Finder 55 Series Miniature General Purpose Relays 7-10A

Finder 55 Series Pic

The Finder 55 Series miniature general-purpose relays are versatile 7–10A, 2–4 pole, plug-in or PCB-mount devices designed for industrial automation, HVAC, and power management. They feature AC/DC coils, optional lockable test buttons, mechanical indicators, and LED status, compatible with 94-series sockets.

Function & Features:
Finder’s 55 Series general purpose relay range includes the following features (according to Type):

  • AC & DC coils
  • PCB or Plug-in mounting
  • Available with lockable test button, mechanical flag & LED indicator

Applications:

  • Automation for Blinds, Grilles and Shutters
  • Control Panels
  • Panels for Electrical Distribution
  • Control and Management of Electric Power
  • Circuit Breakers and Switches
  • Shipyards
  • Road / Tunnel Lighting

Finder 39 Series - Relay Interface Modules (EMR or SSR) 0.1…6A

Finder 39 series Pic

The Finder 39 Series MasterINTERFACE modules are ultra-slim (6.2 mm), DIN-rail mountable relay interfaces designed to isolate and switch loads between PLCs/controllers and field devices. Featuring EMR or SSR technology, they offer 1-pole (6A) switching, screw/push-in terminals, and jumper links for efficient wiring. These modules are ideal for space-constrained industrial automation.

Function & Features:
The 39 Series is a range of modular interface relays which include the following features (according to Type):

  • 6.2mm wide
  • DC, AC or AC/DC coil versions
  • Special coil/input leakage current suppression types
  • With fuse protection module
  • Timer version
  • ATEX/HazLoc compliant (EX nC) option available
  • Push-in and screw terminals

Applications:

  • Bottling Plant
  • Packaging Machines
  • Traffic Light Controls
  • Carousel Warehouses
  • Control Panels
  • Panels for Electrical Distribution
  • Labelling machines
  • Hoists and Cranes

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

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

MORE
See all news
Privacy Policy
Website built and optimised by Miltec Digital

Get In Touch

Fill in your details to request a call from one of our sales representatives.
E Preston Contact Form
chevron-leftchevron-right linkedin facebook pinterest youtube rss twitter instagram facebook-blank rss-blank linkedin-blank pinterest youtube twitter instagram