Power system protection has been around for over 100 years, and even today, some of our customers are using old electromechanical relays for their power system protection.
Mangan PDG has experience in turnkey projects such as remove and replace old electromechanical relays with new microprocessor relays.
Mangan PDG is capable of performing acceptance and maintenance testing and commissioning of protective relays which include microprocessor and electromechanical relays.

Mangan PDG has experience with the relays from the following manufacturers:
- SEL
- GE Multilin
- Beckwith
- AB
- Siemens
- Eaton
- Electromechanical relays