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

News

February 21, 2025

Cynergy3 Solenoid Valves

Cynergy3 has a range of 2-way solenoid valves for liquid and gas duty, covering pipe sizes from ¼” to 2”.

Cynergy3 Solenoid Valves

Cynergy3 Solenoid Valves are suitable for liquid and gas applications and come in a variety of sizes suited to most industry standard pipe work. Pilot operated 2 Port Solenoid Valves are used where the flow of liquid or gas needs to be controlled, stopped and started.

Cynergy3 Solenoid valves are commonly found in both domestic and industrial usage in applications including autoclaves, cooling plant equipment, watering and fire extinguishing systems, sanitation services and pressure washing.

What You Need to Know:

2-Port Solenoid Valves suitable for liquid and gas duty
A range of sizes to fit pipes from ¼” to 2” diameter (BSP)
Normally Open (NO) and Normally Closed (NC) valves available
Manufactured with precision in high quality brass to provide reliable, long term use in a variety of challenging applications
Suitable for use between -20 to +90 Deg C

Industries:

Alternative Energy
Chemical Process
Communications
Food & Beverage
Industrial
Medical
Military & Aerospace
Oil & Gas
Test & Measurement
Transportation
Utilities & Smart Grid

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

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

February 20, 2025

Finder 41 Series PCB Relays

Finder Low-Profile P.C.B. Relays 3 - 5 - 8 - 12 - 16A

The 41 Series is a range of miniature low profile printed circuit board relays (height 15.7 mm). The different Types that make up this Series are:

EMR Version

Low profile, 15.7 mm height
AC & DC coils
8 mm, 6 kV (1.2/50 μs) isolation, coil – contacts
Flux proof: RT II standard, (RT III option)

Solid State (SSR) Version

Low profile, 15.7 mm height
Sensitive DC input circuits
Silent, high speed switching with long electrical life

Applications:

Medical and Dentistry
Industrial Robots
Building Automation
Control Systems
Timers and Lighting Controls
Door and Gate Openers
Electronic Circuit Boards
Vending Machines