Contact Us
close
We supply a wide range of different types of motors including synchronous and asynchronous AC motors, brushed and brushless DC motors, and EC motors
UK Next Day Delivery
Expert Advice
No Min Order Charges
Technical Support
Flexible Payment Terms
Over 40 Years Experience
E. Preston Electrical

Motors

What are the different types of Motors?

AC Motors (Alternating Current)

Synchronous Motors:

  • Excited Synchronous Motor: Requires a separate DC supply for the rotor.
  • Reluctance Motor: Uses magnetic reluctance to generate torque.
  • Hysteresis Motor: Utilizes hysteresis in the rotor material for smooth operation.

Asynchronous (Induction) Motors:

  • Squirrel Cage Induction Motor: Commonly used due to its simplicity and durability
  • Slip Ring (Wound Rotor) Induction Motor: Allows for control of the rotor resistance

DC Motors (Direct Current)

Brushed DC Motors:

  • Series Wound DC Motor: High starting torque, used in traction applications.
  • Shunt Wound DC Motor: Constant speed, used in applications requiring stable speed.
  • Compound Wound DC Motor: Combines series and shunt characteristics.

Brushless DC Motors:

  • Permanent Magnet DC Motor (PMDC): Uses permanent magnets for the rotor.
  • Coreless or Ironless DC Motors: Lightweight and efficient 

EC Motors (Electronically Commutated)

  • Energy Efficiency: EC motors consume less power compared to traditional AC motors, making them ideal for HVAC systems and industrial applications.
  • Brushless Design: Unlike conventional DC motors, EC motors use electronic commutation instead of carbon brushes, reducing wear and maintenance.
  • Integrated Electronics: They have built-in controllers that optimize performance and allow for variable speed control.
  • Compact & Versatile: EC motors are commonly used in fans, pumps, refrigeration systems, and ventilation units
Motor 3

What Do We Supply?

We supply a wide range of motors for a variety of applications.
These include:
AC Motors
DC Bushless Motors
DC Brush Motors
EC Brushless Motors
High-power Density Motors
Stepper Motors
Servo Motors

Why Choose E. Preston?

Since our inception in 1980, our business focus has been on providing two things: a reputation for outstanding customer service, and an unbeatable range and stock of electrical and electronic components.

We feel we have achieved that at E Preston, and that probably explains our company growth over the years. We do not want to become complacent though, and we always work hard to exceed customers’ expectations when they deal with us, if we can.

Our service is unashamedly a little old fashioned, ensuring we follow up on promises to customers, and phoning back when we said we were going to. We also do our best to ensure the customer receives their order next day. You can also talk to us about flexible payment terms, if needed.

Please contact us if you need technical assistance about them or any of our products – our team of expert operatives will be happy to help.

to discuss your needs.

Featured Products

Manufacturers

News

September 21, 2026

Finder 7E Series Energy Meters

Image

Energy Meters

Finder 7E Series

The Finder 7E Series is a lineup of single-phase and three-phase energy meters with mechanical or LCD backlit dispslays built for accurate, certified electrical power measurement in residential, commercial, and industrial panels.

Features (according to Type):

  • 1 or 3 phase
  • Single or Dual tariff
  • Pulse output for remote energy management;
    SO interface (open collector) according DIN 43864
  • LC-Display or Mechanical Display
  • 35mm rail (EN 60715) mount

Applications:

  • Panels for Electrical Distribution
  • Control Panels
  • Electrical Energy Control
  • Industrial Robots
  • Road / Tunnel Lighting
  • Elevators and Lifts

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

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

MORE
September 18, 2026

Schurter Series DMSD: Low Profile SMD DIP Switch

Image

DMSD – Compact Configuration. Proven Reliability.

Schurter DMSD pic

DMSD: Low Profile SMD DIP Switch

  • 2.54 mm Standard Pitch Design
  • Low {rofile
  • SMD Type Terminal
  • High Number of Cycles

The DMSD is a low-profile DIP switch featuring the industry-standard 2.54 mm pitch and
gullwing SMD terminals for reflow soldering. It is designed for address selection, communication
protocol configuration and functional parameter settings in industrial and electronic applications.

The product is available with 1 to 10 and 12 positions and uses SPST contacts. With a height of
3.6 mm, it supports space-efficient PCB layouts. Mechanical life is specified at 2,000 switching
cycles with an operating force of ≤ 8 N. The operating temperature range extends from -40 °C to
+85 °C. Initial contact resistance is ≤ 100 mΩ and remains ≤ 200 mΩ after the specified
reliability tests.

Typical applications include industrial automation, building controls, servers, medical devices,
robotics and consumer appliances. Common use cases are address configuration, RS485 and
Modbus settings, BIOS/CMOS configuration and functional parameter selection. The
standardized form factor and footprint enable straightforward integration into existing hardware
designs.

Schurter DMSD apps

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

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

MORE
See all news
Privacy Policy

© E. Preston (Electrical) Ltd 2026.

UK distributor of electrical and electronic components.

Website built and optimised by Miltec Digital

Get In Touch

Fill in your details to request a call from one of our sales representatives.
E Preston Contact Form
chevron-leftchevron-right linkedin facebook pinterest youtube rss twitter instagram facebook-blank rss-blank linkedin-blank pinterest youtube twitter instagram