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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
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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

July 22, 2026

Schurter Series: DG11 IEC Appliance Inlet with Circuit Breaker

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DG11 IEC Appliance Inlet C14 or C18 with Circuit Breaker TA35 2-pole with Thermal or Thermal-Magnetic Release

Schurter DG11

The Schurter DG11 is a power entry module designed
for IEC appliance inlets (C14 or C18) combined with
a 2‑pole TA35 circuit breaker offering thermal or
thermal‑magnetic release. It is intended for use in
equipment protected to IEC/UL 62368‑1 and suitable
for protection class I or II devices.

It provides a reliable alternative to traditional
fuse-protected power entries by featuring resettable
overcurrent protection, reducing components, and
removing the need for a separate fuse.

Description:

  • Panel mount: Screw-on version from front or rear side, snap-in version front side: Appliance Inlet, protection class I or II, Circuit breaker type TA35, 2-pole, with thermal or thermal-magnetic release
  • Pre-wired coupling
  • V-Lock notch standard
  • Quick connect terminal 6.3 x 0.8 mm

Key Features:

  • With sealing: IP54 under load, IP67 towards housing
  • Thermal or thermal-magnetic circuit breaker; thermal-magnetic release fast acting or with time lag
  • Recessed rocker prevents accidental manipulation
  • Various mounting options

Characteristics:

  • Connector and circuit breaker are prewired
  • Circuit Breaker thermal or thermal-magnetic, non-illuminated or illuminated
  • Suitable for use in equipment according to IEC/UL 62368-1

Applications:

  • Medical Equipment
  • Industrial Automation & Control
  • IT & Telecommunications
  • Audio, Video, & Lighting

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

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

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July 14, 2026

Eaton Moeller Series - RMQ-Titan™ Standard 22mm M22 Pushbuttons

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RMQ-Titan™ Standard 22mm M22 Pushbuttons

Moeller RFQ Pic1

Enhance the reliability, ergonomics,
and flexibility of your machinery
and systems with Eaton's RMQ-Titan™
Standard 22mm M22 pushbuttons.

These pushbuttons, designed for
integration into control panels,
suspended panels, or control
cabinets, offer an optimal solution
for machine and panel construction.

Core Features:

  • Degree of protection: IP65/IP66/IP69K
  • Modular and flexible
  • Many functions available
  • Suitable for global use thanks to UL/CSA, IEC, CCC approvals
  • Plastic construction with silver, black and metal bezel options
Moeller RFQ Pic2

Related Products

Moeller RFQ Pic3
Moeller RFQ Pic4

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

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

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