Circuit Protection

We stock thousands of circuit protection products for a broad range of applications from quality brands such as ABB, Bulgin, Bussman, E-T-A, Littelfuse, Schaffner and Schurter

UK Next Day Delivery

Expert Advice

No Min Order Charges

Technical Support

Flexible Payment Terms

Over 40 Years Experience

What is a Circuit Protection device?

A circuit protection device is a fail-safe device that originates a disruption in an electrical circuit when it recognizes an excess and unsafe power load in a circuit. The main aims of circuit protection are to localise and isolate the situation or fault and avert and minimize any unnecessary power loss.

What Do We Supply?

We have broad selection of circuit protection devices, including:

Circuit breakers

Thermal circuit breakers

Thermal-magnetic circuit breakers

Magnetic circuit breakers

Hydraulic-magnetic circuit breakers

Fuses

LV fuse links

LV fusegear

Why Choose E. Preston?

Established in 1980, we offer customer service that is second to none. This is one primary factor behind the growth in business we have experienced over the past forty two years. We have expert knowledgeable staff who are always on hand to answer any technical questions you might have about our products – they are just a phone call away.

The second main reason behind the company’s growth is the sheer depth in our products. We stock, or have access to, thousands of circuit protection products for a broad range of applications. The quality brands that we deal with include ABB, Bulgin, Bussman, E-T-A, Littelfuse, Schaffner and Schurter. You don’t have to search anywhere else for your needs.

In addition, we will do our very best to make sure that you receive your order next day, as long as you order in time, and if required, and we can offer flexible payment terms.

Call us now on:

+44 (0) 161 339 5177

Send us a message

to place an order or speak to our technical team about circuit protection devices.

Featured Products

Switches

Switchgear and Control Gear

Relays

Electrical Timers

Fuse Holders

Electrical Connectors

Electrical Indicators

Battery Holders

Power Inlet Modules

IEC Connectors

Power Supplies

EMC Filters

Terminals and Terminal Blocks

Motors

Solenoids

News

October 28, 2025

Finder 50 Series Forcibly Guided Contacts Relays 8A

50 Series Forcibly Guided Contacts Relays 8A

The 50 Series comprises relays which include the following features (according to Type)

Function & Features:

2 Pole changeover contacts
PCB Relay with forcibly guided contacts according
to EN 50205 type B
High physical separation between adjacent contacts
8 mm, 6 kV (1.2/50 μs) isolation, coil-contacts
Flux proof: RT II

Applications:

Escalators
Hoists and Cranes
Carousel Warehouses
Medical and Dentistry
Hospitals
Elevators and Lifts
Disabled Lift

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

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

October 24, 2025

Crouzet Industrial Timers

Crouzet Offers a Comprehensive Range of Timing Solutions

With a rich history as a specialist in Timers for more than 50 years, Crouzet offers a comprehensive range of timing solutions designed to meet various industrial and automation needs. Our portfolio includes both digital and analog timers, suitable for DIN-rail and plug-in installations, as well as front-panel mounting.

In addition to our standard timers, we provide specialized solutions such as pneumatic timers, which are ideal for applications with a risk of fire, and hermetically sealed timer relays, designed for extreme environments such as trains, airplanes, and even outer space.

Features & Benefits