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

August 11, 2026

Eaton Moeller RMQ-Titan™ Emergency Stop Buttons

RMQ-Titan™ Emergency Stop Buttons

Ensuring operational safety is paramount: Our globally
recognized RMQ-Titan™ emergency stop buttons are critical
in safeguarding personnel, machinery, and systems. They
offer excellent protection, versatile use, and attractive
design.

With high protection ratings, self-monitoring features,
and customization options, they provide reliable safety
solutions for various industries.

Core Features:

Turn to reset/Pull to reset
With or without key
Illuminated with standard LED or featuring a mechanical position indicator (green/red)
Non illuminated
Mushroom shape (30 mm or 38 mm diameter) and palm shape (45 mm or 60 mm diameter)

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

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

July 29, 2026

Shurter Series: UHS Fuse

UHS Fuse 50-100A, 32/50VDC, 8.4 x 9.4mm

The Schurter UHS is a compact, fast-acting SMT/PCB fuse designed for Separated Extra Low Voltage (SELV) applications where high breaking capacity and fast tripping are required.

Description:
This fuse was specially developed for SELV applications with
high rated currents for highest breaking capacity demands.
Thanks to its design, the fuses tripping time minimizes excessive
temperature dissipation at 2x rated current.

Features:

High breaking capacity up to 2000A
Safe tripping in 10s at twice the rated current
High range of operating temperature
Small component height of 4.7mm

Applications:

Automotive
Telecom equipment
Datacenter appliances
Power tools