Electrical Control Systems

In-house built electrical systems

SMS design and manufacture an extensive range of Instrumentation, Control, and Automation panels for a wide range of industries – with all systems developed and built in-house.

All SMS systems can also be developed for multiple process areas and environments, from industrial to Zone 0 (NEC CI D1) hazardous areas (including certification to ATEX, IECEx, UKEX, NEC500 or 505).

Our hazardous area offering includes the largest 316L Ex d enclosures on the market, up to 944x1594x509 mm (465 litres), and custom, made-to-measure, Ex e & LCP panels.


Approved build partner of Bartec UK and Bartec Technor

SMS are proud to operate as an approved Hazardous Area Enclosure build partner of Bartec UK and Bartec Technor.

Operating on a mutual policy of technical excellence, SMS can design and assemble bespoke Ex d e units under Bartec’s expert certification.

Specialising in Bartec Technor’s large Stainless-Steel Ex d enclosures (764x964x325 mm up to 940x1590x455 mm) complete with Ex e terminal chambers, SMS offer exceptional flexibility for all your onshore and offshore control system requirements. 

SMS can provide upgrades for various PLC systems from various manufacturers; for example Allen-Bradley PLC5 and Siemens S5 PLCs, to newer systems such as S7-1500s – and can fully advise on the performance enhancing solution best suited to your needs, including:

Key control system examples include:

Asset inspection and management

Failure to properly inspect and maintain your hazardous area equipment leaves you exposed to the risk of explosion/combustion. Giving you complete peace of mind, our team of inspection experts can manage your hazardous area inspection process for you, aligned to IEC requirements, including National Annexes as/where required.

With CompEx certified Technicians supported by our digital inspection tool, Inspection Manager, SMS can provide fast, secure and auditable inspection records to prove compliance, and prompt support in the event of any remedial actions.

Services include:

Ensuring a fast start-up

As an important part of project delivery, our engineers will ensure that your system is installed correctly and ready for use with maximum efficiency. Working collaboratively with your project manager and engineers, SMS technicians have the experience to provide you with all the advice you will require while your new system or system upgrade is being installed.

SMS technicians provide a full range of services from installation to pre-commissioning and commissioning, site acceptance testing and personnel introductory training.

We will also advise on operating and maintenance documentation, spares and fault finding.


Discuss your Electrical Control System requirements

Other Aftermarket Services

Innovative engineering solutions

Optimising efficiency and performance throughout the life of your assets.

Hydraulic Power Unit (HPU)
Hydraulic Control Systems
Field Services and Upgrades
Hydraulic Services
Parts and Spares
Genuine Parts and Spares
Field Services