The Merlin Gerin / Square D / Schneider Masterpact breakers organized in the table below illustrate the breaker types the STR-18M, STR-28D, STR-38S, STR-58U and STR-68U trip units were installed on during the original production cycle. While manufacturer support is ending for the Masterpact M, Masterpact MC and Masterpact MP products, ETC Technologies can continue providing global support for these devices to minimize your cost and downtime.
MP08H1
|
MP16H1
|
MP25H2
|
MP50H2
|

Need Masterpact M / MC / MP Replacement Parts or Extended Masterpact M / MC / MP Support?
ETC Technologies has the products and technicians to offer support for Masterpact breakers long after support from Square D / Schneider Electric ends. Our techncians and authorized installers around the globe have the experience to keep your Masterpact breakers online and provide you with working spares to minimize downtime.
We sell brand new Masterpact replacement parts including:
- Trip Units / Protection Units
- Breaker Coils
- Spring Charging Motors
- Shunt Trip
- Under Voltage UVR
- Full Breaker Replacement, Retrofill or Remanufacturing
We have these parts and many more in stock! Contact us for a price list.