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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

May 28, 2025

Eaton Moeller Series - PLS4 xPole Miniature Circuit Breaker

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PLS4 xPole Miniature Circuit Breaker

Moelleer pls4 pic

The PLS4 miniature circuit breaker from the xPole series is a protective device equipped with both a thermal and an electromagnetic release that is available in 1-, 2-, 3-, 4- and 3+N pole versions. The PLS4 is compatible with AC and DC applications up to 48 V with rated currents from 0.16 A to 63 A and is available with tripping characteristics B and C. The switching capacity is 4.5 kA.

Core Features

Moelleer pls4 features

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

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

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May 23, 2025

E-T-A 4230-T Thermal-Magnetic Miniature Circuit Breaker (MCB)

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Compact. Reliable. Globally Certified.

Eta 4320

The 4230-T is a high-performance thermal-magnetic miniature circuit breaker (MCB) designed for DIN rail mounting, offering dependable protection with a compact footprint. Available in single-pole and multipole configurations, the 4230-T combines advanced safety features with global compliance, making it an ideal solution for a wide range of industrial and commercial applications.

Typical Applications:

  • Protection of cables, motors, generators and transformers, thyristors and silicon rectifiers.
  • Protection of computers and their peripheral equipment, industrial process control systems, telecommunications equipment, power supplies.

Key Features:

  • Standards Compliant: Fully compliant with IEC/EN 60947-2 and UL 489, ensuring suitability for global markets.
  • High Breaking Capacity: Rated up to 63 A, making it ideal for use as a Supplementary Protector in demanding environments.
  • Snap Action Mechanism: A positively trip-free design ensures reliable disconnection, even under fault conditions.
  • Toggle Actuation: With clear visual status indication for quick and easy monitoring.
  • DIN 43880 Housing: Standard enclosure design fits seamlessly into existing panel layouts.
  • Modular Flexibility: Expandable with auxiliary contacts, working current modules, and other add-ons to adapt to various use cases.
  • Custom Trip Characteristics: A variety of trip curves are available to match your specific protection needs.

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

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

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