Products

We manufacture high voltage electrical equipment designed to last

Circuit breakers, metal-clad substations, SF6 gas insulated systems, etc.

High-voltage equipment

With a technical database of over 500,000 drawings, we manufacture new products based on the original models of all the high-voltage equipment made using Merlin Gerin technology.

Conventional circuit breakers from 72.5kV to 550kV
A wide range of GIS products from 72.5 kV to 550 kV
Conventionnal PIM disconnector switches 72.5 – 100 kV

SF6 sealing systems

MasterGrid offers a comprehensive range of solutions to manage your SF6 gas, whatever the type of your GIS equipment and conventional circuit breakers are.

Leak detection with inspection report and recommendations
Sealing and capture through the manufacture and installation of a customized containment system to prevent discharge
Recovery of your used SF6 gas and management of its recycling

Download the documentation

In compliance with European regulations, certification of staff handling SF6 gas is mandatory. MasterGrid has a qualified training center.

Discover our training courses

Support and services throughout the service life of your installations

Thanks to our expertise as a manufacturer, we can handle all the procedures required to maintain and optimize your equipment: spare parts, maintenance, refurbishment, etc.

Discover our product services

Merlin Gerin products

Multi-brand products