Marine Defence Specialists

Automatic Changeover Switch (ACOS).

As specialists in the field of naval power conversion and distribution, our equipment is in service on the Royal Navy’s submarine and surface fleets. 

As the chosen supplier for Converted Supplies and UPS systems for the Royal Navy, we are fully represented on the Type 45 destroyers Queen Elizabeth Class aircraft carriers, Type 26  and Type 31 frigates, as well as on RFA Tide-class tankers.

In addition, we have built up a strong export business and our equipment is deployed worldwide across 20 different Global Naval Supply Programs.

Examples of the types of equipment we have supplied are as follows:

  • Automatic Changeover Switch (ACOS)

  • Battery Boxes

  • Chargers/DC Supplies

  • DC Systems

For more examples of our extensive specialist range, please visit www.greshampower.com.