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We supply a wide range of different types of motors including synchronous and asynchronous AC motors, brushed and brushless DC motors, and EC motors
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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

March 24, 2026

Honeywell 4 Series NDIR Hydrocarbon Gas Sensor

Image

4 Series NDIR Hydrocarbon Gas Sensor for Industrial safety, gas detection, emissions analysis/monitoring, refrigeration and other relevant gas sensing applications.

Honeywell NDIR

Honeywell City Technology’s latest innovative solution for
flammable hydrocarbon gas sensing, incorporating state of
the art optical NDIR technology to provide a sensor with high
performance, precision & reliability, that can manage even in
the harshest environments.

This sensor joins the extensive line of 4 series Honeywell
gas sensors.

Features & Benefits:

  • Digital interface – Sensors have UART protocol as standard to communicate with instrument via chip select option
  • Enhanced resilience – Environmental robustness, for performance in high temperature & humidity
  • Gas selection – Option to select from a range of target hydrocarbon gases, with linearized output for minimal processing
  • Long life – Proven sensing technology, designed to operate & last over ten years
  • Pre-calibrated – Sensors calibrated during manufacturing & data is written in the sensor
  • Certified – Meets global performance standards in line with ATEX, IEC Ex & more

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

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

MORE
March 23, 2026

Sensata / Crydom CX Series (PCB Mount AC Output) Solid State Relays

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SIP style SSRs with ratings of 5 Amps at operating voltages ranging from 12 to 660 VAC. AC or DC control input.

Crydom CX

The CX Series is a family of SIP style
PCB Mount Solid State Relays with ratings
of 5 Amps at operating voltages ranging
from 12 to 660 VAC.

Features:

  • Back-to-back SCR output for heavy industrial loads
  • AC or DC control input
  • Zero voltage (resistive loads) or instantaneous (inductive loads) turn-on output
  • UL, CSA and TUV certified

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

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

MORE
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UK distributor of electrical and electronic components.

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