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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
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No Min Order Charges
Technical Support
Flexible Payment Terms
Over 40 Years Experience
E. Preston Electrical

Circuit Protection

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

Featured Products

Manufacturers

News

May 20, 2024

Johnson Electric - Stepper Motors

Johnson Electric rotary and linear stepper motors are available in a wide range of sizes and customizable force or torque outputs. Most are available in unipolar or bipolar coil winding configurations.

Our Saia brand of stepper motors is engineered to meet the performance demands of specific applications that require precise position control including valves, HVAC, medical equipment, liquid dispensing and automation. We offer custom engineering to create motion control systems utilizing our precision stepper motors and control electronics, in collaboration with valve and system manufacturers.

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

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

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May 15, 2024

Crouzet Microswitch Range

65+ Years Designing & Manufacturing
Snap-Action Electrical Microswitches

Crouzet offers an extensive choice of standard or customized Classic, Miniature, Subminiature and Sub-subminiature micros-witches, with a large range of switching ratings from 1 mA to 25 A, magnetic blowout versions for High DC ratings, sealed models, positive break versions, a wide range of operating temperatures, special models for explosive atmospheres, long service life and an enormous variety of actuators, contact materials and fixing means.

Basic Technical Concepts

Our microswitches are high-precision, snap-action switches and these are the main features for which they are notable:

  • Fast and reliable switching largely independent of actuating speed
  • High electrical ratings but small dimensions
  • High repeat accuracy of switching points and forces
  • Low operating force
  • Short pre-travel but large overtravel
  • Very long service life
  • Extensive range of connections, fixing means and actuators for easy adaptation to numerous applications

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

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

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