Drives and Inverters Installation, Repairs
and Maintenance

The performance of your inverter systems and drives depend on the service you choose. Your selection should be based on a highly informed decision. Every commercial or industrial concern owes it to its clients to deliver on time, and well-maintained systems make this possible.

At TA Boxall Engineering, we have the expertise and experience to help you plan and execute a proper service schedule for your assets. We will provide you with the support and guidance needed throughout the lifespan of your drives.


TA Boxall Engineering; Drives and Inverter experts

In the past 80 years, our engineering firm has grown from a small family-owned shop to a nationally-acclaimed company. However, we remain the friendly company we have always been. Various regulatory authorities including BAFE and NICEIC accredit our business.

At TA Boxall Engineering, you are assured of professionals who will keep your assets in the best condition. Whether you want to install new drives or maintain your AC inverters, DC drives and variable speed drives. We are your go-to professionals for a quality service. We offer well-planned maintenance schedules that extend the life of your drives.

To make maintenance planning more efficient, TA Boxall Engineering has an organised life cycle management model, which defines availability throughout the lifetime of each drive.

AC inverters

Inverters are used to perform critical functions. The can be used to control the water pump in grinding stations to grinders in livestock feed mills, and large sorting machines in recycling factories. Production lines in manufacturing plants and HVAC applications in hospitals need highly functional inverters.

So, imagine if your inverter should fail? This can lead to a prolonged downtime depending on the kind of

system you have in place waiting for the replacement. In many cases, the consequences can be very costly, even disastrous for hospitals that require constant power to operate life-saving machines.

Our drive range of inverters are very mobile and already wired for fast and convenient delivery to your site. Consequently, they can be quickly loaded into one of our vans with our highly experienced TA Boxall Engineering contractors who will have your drive installed and commissioned in no time. This will avoid incurring a prolonged downtime.

You don’t have to bother about parameter settings because our drives come installed with a keypad to store your parameter settings. If you a currently a TA Boxall Engineering customer with a service contract, we will make sure the drive is pre-set to your parameters before being delivered to your site. This will save you precious time and costs.

Our Guarantee

  • Over 80 years experience
  • Unrivaled experience
  • An exceptional service
  • Unbeatable value for money
  • Industry-approved installers
  • A full range of electrical services
  • Professional, reliable and diligent
  • 100% safety and satisfaction

DC drives

TA Boxall Engineering is also one of the leading servicing agents for all makes and models of AC/DC drives and motor controls. Our drive maintenance services cover all major manufacturers. All our customers are guaranteed an excellent repair service in a cost-efficient and timely manner.

Our servicing procedure begins with a visual inspection of your facility to identify the main issues, such as electrolytic capacitors that are worn beyond dependability. We also perform static and dynamic testing to ensure your drive is completely fixed and in working conditions when it is sent back to you.

Our industrial drive repair services covers products such as inverters, vector drives, DC drives, soft starts, motor controls, AC drives, drives subassemblies and drive boards.

Here at TA Boxall Engineering, our DC drive repair services give customers a reliable alternative to purchasing new drives or incurring the ‘latent costs’ of replacing out-dated equipment. For example, you no longer have to re-engineer your process or drive mounts, and stock a different part number in your spare parts inventory simply because the original drive equipment is unobtainable. Our expert team has the ability to source and fix drive parts previously believed unavailable.

Variable speed drives

AC Drives, otherwise referred to as variable frequency and inverter drives, provide the ideal management for torques and electric motor speed control.

As an authorised repair and distributing company for major manufacturers, TA Boxall Engineering can guide you in choosing a cost-efficient drive based on the level of sophistication, torque degree, and the speed range suitable for your application.

Variable speed drives allow the speed switching of three phase motors over a specified speed range, while also delivering variable or constant torque needed by the application. Variable speed drives operate under single input voltages, mainly in three phases. Where there is a single-phase power, several smaller HP ratings that can receive single-phase power are available.

Our contractors perform a thorough review of the particular speed and torque requirement. This is to make sure any new or replacement variable speed drive can produce the necessary performance for your particular torque load.

DC drives are always available and are mainly replacement products to prevent changing the operating DC motor. Today, many applications convert their DC systems to the more easy-to-use and high-performing AC products. TA Boxall Engineering can help you with this system upgrade.

About TA Boxall


Happy clients mean we receive lots of positive word of mouth recommendations, which also means our partners’ reputations are under scrutiny when we act on their introductions. Our willingness to share our expertise and product knowledge within our partners’ organisations helps create a mutually beneficial working relationships and reciprocates that trust.


We pay attention to detail. Our proven industry-leading expertise and strong focus on safety, regulation and accreditation are all key factors when choosing Boxall Engineering. Clients often invite us to get involved early in their project design to help minimise costly design oversights.

Our History

Established in 1935, a small family engineering firm has evolved into a successful multi million pound business, providing a wide range of products and services to local enterprises and large multi nationals alike. Every client enjoys and benefits from the same focused delivery approach ensuring that each and every job is completed to the highest standards


With over 80 years experience of delivering quality service and solutions to our clients, we always seek to enhance not just our reputation, but our partners’ too. Service and quality underpin everything that we do. Experience counts.

Benefits of Working with TA Boxall

Our engineers, design, build, repair, maintain, install, commission electrical, mechanical and building solutions.

Experience working with simple and complex electrical, mechanical or building needs.

Our client testimonials demonstrate our product knowledge and our ability to meet often challenging deadlines.

Our clients choose to work with us again on their next project and trust us to deliver.

Benefits of variable speed drives

  • Allow for a greater level of system efficiency and an extended equipment lifespan
  • Are high-performing yet inexpensive
  • Has more sophisticated drives that can withstand wash down or strenuous environments.

Some of our variable speed drive enclosures include;

  • IP20 Chassis Mount Enclosure
  • NEMA 1 Industrial Duty Enclosure
  • NEMA 12 Dust-Tight Enclosure
  • NEMA 4 (4X) Wash down Enclosure
  • NEMA 1, 7,8,9, 10 Hazardous Enclosure

TA Boxall Engieering, rapid response service

If you have issues with either your AC inverters, DC drives, variable speed drives TA Boxall Engineering is the ideal servicing firm to sort the problem. We have an in-house policy that ensures we show up at the customers’ premises within an hour of receiving your call.

Why choose TA Boxall Engineering?

  • We have a highly-experienced team of experts
  • We are covered by a comprehensive insurance policy; your assets are safe
  • Our company is duly accredited; NICEIC, BAFE, and ISO 90001 certified
  • Our rates are one of the most competitive

Contact us today for maintenance and repairs

In addition to service excellence, we also provide an obligation-free quote upon request. All pricing is fair and there are no hidden costs.

Call us at TA Boxall Engineering today on 0129 382 0133