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# RJW Motors and Inverters: Motorsandinverters.co.uk is a leading electric motor supplier based in Manchester and servicing the whole of the United Kingdom. Brought to you by RJW Engineering, one of the UK’s leading engineering firms with over 80 years in the industry, we know motors and inverters!

## Sitemaps
[XML Sitemap](https://www.motorsandinverters.co.uk/sitemap_index.xml): Includes all crawlable and indexable pages.

## Posts
- [Electric Motor Efficiency Classes](https://www.motorsandinverters.co.uk/electric-motor-efficiency-classes/): Electric motors are divided into four different efficiency classes: IE1, IE2, IE3, and IE4, with IE1 being the least efficient and IE4 being the most efficient.
- [Noise & Vibration Reduction in Electric Motors](https://www.motorsandinverters.co.uk/noise-vibration-reduction-in-electric-motors/): Electric motors are used throughout many industries to power pumps, fans, conveyors, machine tools, and countless other operations. While modern motors are designed to offer efficient and consistent output, noise and vibration can still occur during normal use. In some cases, it could be an unusual hum that recently started, or a much louder mechanical noise that causes vibrations in the machine; either way, it’s likely that the motor is indicating some early warning signs of developing mechanical or electrical problems.
- [Insulation Classes for Electric Motors](https://www.motorsandinverters.co.uk/insulation-classes-for-electric-motors/): When selecting an electric motor, it’s easy to focus on its power, speed, and efficiency; however, one of the most overlooked factors is its insulation class. This specification determines how well the motor can handle heat, which directly influences its lifespan, longevity, and overall performance.
- [What is Condition Monitoring?](https://www.motorsandinverters.co.uk/condition-monitoring/): Condition monitoring is a smart, time-saving, and proactive way to take care of machinery and equipment. Instead of fixing machinery after it’s broken or waiting for its scheduled service, condition monitoring focuses on how the equipment is performing day-to-day to identify any potential breakdowns and repairs.
- [What is a Variable Frequency Drive (and how does it work?)](https://www.motorsandinverters.co.uk/what-is-a-variable-frequency-drive/): A variable frequency drive (VFD), also known as an inverter, is a device that is used to control the speed, direction, and torque of an electric motor. In short, it does this by varying the frequency and voltage that is being supplied to the motor at any given time. 
- [How does an electric motor work?](https://www.motorsandinverters.co.uk/how-does-an-electric-motor-work/): Electric motors play a crucial role in daily life, delivering power to a multitude of devices that keep our homes, offices and industries running smoothly. Although they power devices of many shapes and sizes, electrical motors are built on a simple yet rather astonishing idea: combining electrical and magnetic force to produce motion. 
- [The Different Types of Pumps](https://www.motorsandinverters.co.uk/the-different-types-of-pumps/): Choosing the right pump is as important as choosing the right motor or inverter. The pump is the heart of many fluid-handling systems, and it is essential that all of the various types of pumps are understood to obtain reliable and economic performance.
- [Understanding the Difference Between Single-Phase and Three-Phase Electric Motors](https://www.motorsandinverters.co.uk/difference-single-three-phase-motors/): When it comes to powering machinery, appliances, and industrial equipment, the type of electric motor used can make a significant difference in performance, efficiency, and cost. Among the most common types of motors are single-phase and three-phase electric motors. Both play critical roles in various applications, but they operate differently and are suited to different tasks.

## Pages
- [Electric Motor Installation](https://www.motorsandinverters.co.uk/services/electric-motor-installation/): We provide a host of electric motor installation and shutdown support services that have been designed to give your business confidence that your all-important motors and other equipment can provide the full operational capacity you need to avoid expensive downtime. 
- [Cloud-Based Maintenance](https://www.motorsandinverters.co.uk/services/cloud-based-maintenance/): With technology playing an increasingly important role in production, cloud-based maintenance systems allow for remote machinery management. With AssetCare, you’ll have an all-powerful tool that can help drive enhanced productivity and profit. 
- [Lubrication Services](https://www.motorsandinverters.co.uk/services/lubrication/): RJW Engineering is one of the UK’s leading engineering service providers, with years of professional experience and equipped engineers who can swiftly and efficiently deal with any issues. Our team works over a wide range of industries, from commercial to industrial, helping customers to implement effective lubrication services and strategies that improve the overall performance of the equipment that improves performance and reduces operational risk. 
- [Pump Repair Services](https://www.motorsandinverters.co.uk/services/pump-repair/): RJW provides professional pump repair services for a wide range of commercial and industrial operations. Supported by our expert engineering team, we deliver high-quality, cost-effective repairs on-site and at our dedicated workshop facilities, helping to reduce downtime and avoid any critical disruptions to operations.
- [Inverter Maintenance Services](https://www.motorsandinverters.co.uk/services/inverter-maintenance/): Keeping your inverter systems operating efficiently is essential for reducing downtime, maintaining operations, and extending equipment lifespan. At RJW, we offer professional and reliable inverter maintenance services designed for high-demand industries that help maximise performance and minimise any costly failures and disruptions. 
- [Gearbox Repairs](https://www.motorsandinverters.co.uk/services/gearbox-repairs/): Industrial gearboxes are a crucial component of the performance of your machinery, controlling the speed, torque, and overall efficiency. When unexpected failures occur, it can bring operations to a full standstill and result in costly downtime.
- [Electric Motor Repairs](https://www.motorsandinverters.co.uk/services/electric-motor-repairs/): Electric motors are at the core of your industrial operation, and reducing and minimising any failures and repairs is a crucial component in keeping your business running smoothly. At RJW, we provide professional electric motor repairs designed to minimise downtime, restore performance, and extend the life of your equipment.
- [Hazardous Motors](https://www.motorsandinverters.co.uk/hazardous-motors/): Hazardous motors are also known as ATEX motors (from the French Atmosphères Explosibles) and RoHS motors (Restriction of Hazardous Substances). These terms refer to a type of motor designed to be used safely even in hazardous environments where normal motors are unsuitable. This means that they are crafted not to create sparks, arcs (or sustained electrical discharge that can jump across air gaps) or overheat. This ensures they are safety compliant by reducing the risk of explosion and increasing reliability. 
- [Large Motors](https://www.motorsandinverters.co.uk/large-motors/): We offer a wide range of large motors, built to deliver reliable and powerful performance in high-demand environments. Our large motors are engineered for applications requiring high power output, durability, and long-term use.
- [Post-Sales Support](https://www.motorsandinverters.co.uk/post-sales-support/): Home
- [Control Techniques](https://www.motorsandinverters.co.uk/control-techniques/): Nidec Control Techniques is a global leader in the development of motion control and automation solutions, has built a strong reputation for providing high-quality, innovative products across various industries. The company’s Commander C range of general-purpose AC drives is one such product line that exemplifies Nidec’s commitment to offering efficient, reliable, and user-friendly solutions. Designed for a wide array of applications, the Commander C drives provide robust performance with an emphasis on simplicity, ease of use, and advanced functionality.
- [Motor Match – How to read a motor plate](https://www.motorsandinverters.co.uk/motor-match/): Motors are designed to run at the voltage listed on their nameplate. Many industrial motors are designed to run at more than one (line power) voltage. For example, many motors are dual-rated and are designed to run at 230V and 460V.
- [Invertek Drives](https://www.motorsandinverters.co.uk/invertek-drives/): Invertek has established itself as a global leader in the development and manufacturing of Inverters. These general purpose drives are essential for the control of electric motors, allowing for energy efficiency and better performance in a variety of industrial and commercial applications. Invertek is renowned for its commitment to innovation, quality, and customer service, enabling it to build a strong international presence, with products sold across more than 80 countries.
- [TEC Motors](https://www.motorsandinverters.co.uk/tec-motors/): TEC Motors stands as the UK’s largest distributor of electric motors due to its unwavering commitment to quality, service, and innovation. With an extensive product range, expert consultation, fast delivery, and a customer-centric approach, TEC Motors has solidified its position as a key player in the electric motor industry. Whether serving industrial giants or smaller businesses, TEC Motors continues to provide cutting-edge motor solutions that power the future of UK industries.
- [Brook Crompton Motors](https://www.motorsandinverters.co.uk/brook-crompton/): Brook Crompton has been a trusted name in the world of industrial electric motors for over a century. With a legacy steeped in innovation and quality, the company has continuously provided dependable and energy-efficient solutions to a diverse range of industries. Their motors are designed to meet the highest standards of performance, efficiency, and durability, making them the preferred choice for businesses around the globe.
- [Terms and Conditions](https://www.motorsandinverters.co.uk/terms-and-conditions/): By visiting our site and/ or purchasing something from us, you engage in our “Service” and agree to be bound by the following terms and conditions (“Terms of Service”, “Terms”), including those additional terms and conditions and policies referenced herein and/or available by hyperlink. These Terms of Service apply to all users of the site, including without limitation users who are browsers, vendors, customers, merchants, and/ or contributors of content. Please read these Terms of Service carefully before accessing or using our website. By accessing or using any part of the site, you agree to be bound by these Terms of Service. If you do not agree to all the terms and conditions of this agreement, then you may not access the website or use any services. If these Terms of Service are considered an offer, acceptance is expressly limited to these Terms of Service.
- [Delivery and Returns](https://www.motorsandinverters.co.uk/delivery-and-returns/): All orders are processed within 1 working day after receiving your order confirmation email.
- [Engineering Services](https://www.motorsandinverters.co.uk/services/): Motorsandinverters.co.uk is brought to you by RJW Engineering, an independent engineering services company that provides industry-leading multi-disciplinary engineering services solutions to improve productivity and reduce downtime. We specialise in electric motors, inverters and other rotating equipment. Whether you’re looking for a motor replacement, inverter maintenance, or help with motor efficiency, we’ll be able to help.
- [Privacy Policy](https://www.motorsandinverters.co.uk/privacy-policy/): This Privacy Policy describes how your personal information is collected, used, and shared when you visit or make a purchase from www.motorsandinverters.co.uk (the “Site”).
- [Contact](https://www.motorsandinverters.co.uk/contact/): Contact us for assistance using our website or for expert technical advice on any of our products:
- [About Us](https://www.motorsandinverters.co.uk/about-us/): Based in Liverpool and Manchester; RJW Engineering is of the largest, independently owned engineering companies in the UK. Our extensive range of services solutions includes electrical, mechanical and electronic repairs, comprehensive maintenance services, general engineering services, monitoring services, site services, and visionary data-driven predictive maintenance and reliability strategies. There’s practically nothing we can’t do.
- [Home](https://www.motorsandinverters.co.uk/): Motorsandinverters.co.uk is a leading electric motor supplier based in Manchester and servicing the whole of the United Kingdom. Brought to you by RJW Engineering, one of the UK’s leading engineering firms with over 80 years in the industry, we know motors and inverters!
- [Guides](https://www.motorsandinverters.co.uk/guides/)
- [Motors, Inverters and Accessories](https://www.motorsandinverters.co.uk/products/): Browse our AC Motors, AC Inverters and extensive range of Motor Accessories, all with free nationwide delivery and expert technical support.

## Products
- [Gearboxes](https://www.motorsandinverters.co.uk/product/gearboxes/): We are proud to offer gearboxes from the leading market suppliers, including Radicon, Bonfiglioli and SEW.
- [IE3 Premium Efficiency Motor](https://www.motorsandinverters.co.uk/product/ie3-premium-efficiency-motor/): NOTE:  The length of the newer IE3 motor may be longer than the older IE1/IE2 motor.  Please check that you have no size constraints.
- [TEC Three Phase Electric Motor](https://www.motorsandinverters.co.uk/product/tec-three-phase-electric-motor/): TEC Motors have years of experience in the power transmission industry, and their TEC three phase motors are widely used across industry. Established in 2006 and based in the Midlands, TEC Motors provides excellent customer service and has a reliable, high quality product range of three phase motors. RJW offer a range of TEC 3 phase motors from 0.18kW to 7.5kW, available at 2 pole (3000rpm), 4 pole (1500 rpm) or 6 pole (1000rpm), and with various mountings are available, including C Face (B14), D Flange (B5), Foot (B3), Foot & C Face (B34) or Foot & D Flange (B35). Motors are used in the chemical industry, oil & gas, metal and mining, Paper and pulp, food & beverage, agriculture, aggregates.
- [TEC Single Phase Electric Motor](https://www.motorsandinverters.co.uk/product/tec-single-phase-electric-motor/): TEC single phase electric motors are cost-effective, reliable, and small electric motors suitable for a range of applications. These 1 phase motors reflect TEC’s commitment to ‘Total Engineering Commitment’ and represent an extremely competitive price. If you’re looking for a single phase AC motor, TEC may well represent your best choice. RJW offer a range of TEC single phase motors from 0.12kW to 3kW, available at 2 pole (3000rpm) or 4 pole (1500 rpm) and with various mountings are available, including C Face (B14), D Flange (B5), Foot (B3), Foot & C Face (B34) or Foot & D Flange (B35).
- [Invertek Optidrive E3 Single Phase Inverter](https://www.motorsandinverters.co.uk/product/invertek-optidrive-e3-single-phase-inverter/): Price on application
- [Invertek Optidrive E3 Three Phase Inverter](https://www.motorsandinverters.co.uk/product/invertek-optidrive-e3-three-phase-inverter/): Price on application
- [Motor Slide Rails](https://www.motorsandinverters.co.uk/product/motor-slide-rails/)
- [Motor Slide Base](https://www.motorsandinverters.co.uk/product/motor-slide-base/)
- [Brook Crompton Three Phase Motor](https://www.motorsandinverters.co.uk/product/brook-crompton-three-phase-electric-motor/): Brook Crompton three phase motors are ideally suited to a wide range of industrial and commercial settings, from food and drink to china clay production and from roller table drives to refrigeration. Three Phase Brook Crompton motors have an extensive heritage, and offer a wide range of low, medium & high voltage motors for safe and hazardous applications, robustly designed to provide cost effective, energy-saving solutions across a range of industries. RJW offer a range of Brook Crompton 3 phase motors from 0.12kW to 7.5kW, available at 2 pole (3000rpm), 4 pole (1500 rpm) or 6 pole (1000rpm), and with various mountings are available, including  C Face (B14), D Flange (B5), Foot (B3), Foot & C Face (B34) or Foot & D Flange (B35). Motors are used in the chemical industry, oil & gas, metal and mining, Paper and pulp, food & beverage, agriculture, aggregates.
- [B56 Motor](https://www.motorsandinverters.co.uk/product/b56-motor/): Crompton Greaves B56 motors are imperial framed motors with a rolled steel casing and are available three phase (230/400V, 2 pole (2800rpm) / 4 pole (1400rpm) / 6pole (950 rpm)) or single phase (230V, 2 pole(2800rpm) / 4 pole (1400rpm)). Crompton Greaves B56 motors are suitable for a range of commercial / industrial usages, including lathes, drilling machines, milling machines and many other machine tools, as well as many uses in the food industry (chippers, peelers & fans etc).
- [Commander C200 Three Phase Inverter](https://www.motorsandinverters.co.uk/product/commander-c200-three-phase-inverter/): Price on application
- [Commander C200 Single Phase Inverter](https://www.motorsandinverters.co.uk/product/commander-c200-single-phase-inverter/): Price on application
- [Geared Motors](https://www.motorsandinverters.co.uk/product/geared-motors/): RJW Motors & Inverters are proud to stock geared motors from a diverse selection of manufacturers, including market leaders such as SEW, Bonfiglioli and Radicon.
- [Motor Spares Product](https://www.motorsandinverters.co.uk/product/motor-spares-product/): RJW Motors and Inverters supplies a large range of electric motor spares, parts and accessories from all leading manufacturers. From bearings and seals, to control panels and filters, we supply a wide variety of quality electric motor parts to cater for your individual requirements at competitive prices. For prices and further details, please contact our experienced technical team on 0800 999 0200 to discuss your requirements.
- [Pumps](https://www.motorsandinverters.co.uk/product/pumps-product/): RJW Motors and Inverters supplies a wide range of high-efficiency pumps and valves from Lowara, KSB, Armstrong and many more. Using state-of-the-art manufacturing methods and ground-breaking materials, our carefully selected range of pumps and valves, provides reliable pumping solutions across a range of fluid transfer applications. For prices and further details, please contact our experienced technical team on 0800 999 0200 to discuss your requirements.
- [Industrial Alternators](https://www.motorsandinverters.co.uk/product/alternators-product/): RJW Motors and Inverters offers a wide and diverse range of industrial alternators from Leroy Somer, Stamford, Mecc Alte and many more. Manufactured from top quality materials, our carefully selected alternators offer unrivalled performance, reliability and value across a range of power applications. For prices and further details, please contact our experienced technical team on 0800 999 0200 to discuss your requirements.
- [Motor Starters Product](https://www.motorsandinverters.co.uk/product/motor-starters-product/): RJW Motors and Inverters offers a wide range of compact and ergonomically designed DOL Starters. Available in single phase and three phase, our DOL Starters connect the motor directly to the electrical power supply and operate as a basic stop/start switch. Suitable for most industrial motor applications where reliable motor driving is required.
- [Transwave Rotary / Hi-Torque Phase Converters](https://www.motorsandinverters.co.uk/product/transwave-rotary-hi-torque-phase-converters/): RJW Motors and Inverters offers a wide range of single phase to 3 phase converters, providing the ability to operate three phase machinery in single phase environments. Available as both static phase converters and rotary phase converters, which can be applied to multiple machines without the needs for machine modification.

## Product Categories
- [Electric Motors](https://www.motorsandinverters.co.uk/product-category/motors/): Buy electric motor parts & accessories UK. Motor spares, slide rails, bases, starters & geared motors. Quality genuine parts. 
- [Three Phase Motors](https://www.motorsandinverters.co.uk/product-category/motors/three-phase-motors/): Shop 3 phase motors from Brook Crompton & TEC. Industrial electric motors from £87.65. Expert advice & competitive prices. Buy online today.
- [Inverters and variable frequency drives](https://www.motorsandinverters.co.uk/product-category/inverters/): Buy power inverters & variable frequency drives VFD UK. Single & 3 phase VFDs for precise motor speed control. Industrial quality from RJW.
- [Single Phase Inverters](https://www.motorsandinverters.co.uk/product-category/inverters/single-phase-inverters/): A single phase inverter, or Variable Frequency Drive VFD is used to vary the power supply to an AC motor, allowing the speed of the motor to be controlled hence why they are often called AC motor inverters.
- [Three Phase Inverters](https://www.motorsandinverters.co.uk/product-category/inverters/three-phase-inverters/): Our reliable and robust 3 phase inverters are particularly useful for industrial applications that require precise control of speed and torque with motors.
- [Motor Parts and Motor Accessories](https://www.motorsandinverters.co.uk/product-category/motor-accessories/): Buy electric motor parts & accessories UK. Motor spares, slide rails, bases, starters & geared motors. Quality genuine parts.