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Official distributor of Kraus & Naimer, including Blue Line switchgear, rotary cam switches, contactors, motorstarters and more
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E. Preston Electrical

Kraus & Naimer Official Distributor

Kraus & Naimer Electrical Components

Blue Line switchgear, rotary cam switches, contactors, motorstarters, (enclosed) KG switch disconnectors, control stations.

About Kraus & Naimer

Kraus & Naimer Blue Line Switchgear is the UK division of Kraus & Naimer — a global company with over 100 years of history and 1000 employees, producing around 4.3 million switches every year.

Kraus & Naimer supplies an extensive range of switches, including cam operated rotary switches up to 2,400 Amps, isolating main/main emergency switch disconnectors up to 1,250 Amps and changeover switches up to 2,400 Amps — all of which can be supplied for mounting in switch panels or on machines, or enclosed in insulated plastic, GRP, mild steel or stainless steel.

Kraus & Naimer are the proud inventors of the world’s smallest cam switch.

Buy Kraus & Naimer electrical products from E. Preston

E. Preston Electrical Ltd is an official distributor for Kraus & Naimer electrical products, we have thousands of components available.
If you have a specific question, please
to speak to a representative.

Featured Products

Manufacturers

News

July 10, 2026

Schurter DMTH: Dip Switch

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The DMTH Series: A Robust and Cost-Effective DIP Switch

Schurter DMTH Pic

DMTH: The Industry Standard 2.54mm THT-DIP-Switch

  • 2.54mm standard pitch design
  • Low profile
  • High number of cycles
  • Through hole terminal

The DMTH series is a robust and cost-effective DIP switch designed for reliable manual configuration in industrial and electronic applications. Featuring the industry-standard 2.54mm pitch and THT mounting technology, it offers excellent compatibility with established PCB designs while ensuring secure mechanical retention and soldering reliability.

With up to 12 positions, SPST contacts, recessed or raised actuator options, and a low-profile 3.6mm design, DMTH supports flexible system configuration without increasing board space requirements. The switch is rated for up to 2,000 operating cycles and operates reliably from -40°C to +85°C.

Typical applications include address setting, communication protocol selection (e.g. RS-485, Modbus), function control, BIOS and hardware configuration, medical equipment parameter settings, HVAC systems, industrial controllers, robotics and consumer appliances. Combining proven performance, competitive cost and fast availability, DMTH is an ideal solution for OEMs seeking a reliable alternative to premium-priced DIP switch brands.

Schurter DMTH Apps

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

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

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July 9, 2026

Wieland Series SELOS WTN + SELOS WTPN

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Modern control cabinet solutions are no longer created from individual components, but from integrated systems that seamlessly combine planning, wiring, and labeling.

This is exactly where the selos system comes in: a modular, perfectly coordinated overall concept consisting of terminal blocks, digital planning tools, professional labeling, and services. Developed to make your processes easier, faster, and safer.

Wieland WTN + WTPN

Safe Wiring
With our selos WTPN terminal blocks with push-in connection, you can wire quickly, safely and completely without tools. For maximum flexibility, the selos WTN series with screw connection is also available - ideal for a wide range of applications and proven technology.

Your Advantages:

  • Tool-free quick wiring or proven screw technology
  • Extensive range of accessories for all variants
  • Space-saving design, high contact quality, and excellent vibration resistance
  • Faster installation processes
Wieland WTN

The SELOS WTN Din Rail Terminal Blocks with Screw Connection provides a reliable connection, solid and functional, known worldwide, and in use millions of times over.

The selos series combines the classic screw connection with modern connection technology, with the focus on customer benefits and increased efficiency in wiring and the supply chain.

  • Includes feed-through and ground blocks with 2, 3 or 4 termination points
  • Multi-tier blocks in two and three tier designs
  • Knife-edge disconnect blocks and fuse blocks
  • Specialty function blocks are available with a wide variety of diode circuits
  • Diverse application-specific terminals, such as transformer disconnect terminals
  • Smaller size – Uniform design – Fewer accessories
  • Rated cross-section 1.5mm2 to 240mm2
Wieland WTPN

The SELOS WTPN Din Rail Terminal Block with
Push-In Connection
terminates wires easily,
directly and without tools.

With an effective global concept, compact design
and high-performance contact technology, selos WTPN
minimizes the installation time and reduces inventory
costs to a minimum.

  • Includes Feed-through and ground blocks with 2, 3 or 4 termination point
  • Multi-tier blocks in two and three tier designs
  • Knife-edge disconnect blocks in one and two tier designs and fuse blocks
  • Specialty function blocks are available with application specific diode circuits

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

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

MORE
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