DC Retrofits or New Panel Builds by Patriot

MM74 HSCB Retrofit

ANSI C37.14

Retrofitted with High Speed ABB Gerapid

Installed directly into the existing gear

For DC Traction, Ships & Steel Works

20000 Mechanical Operations

Electromagnetic Trip

1000-4000 Rated Voltage

12kV Rated Impulse Withstand Voltage

4150 Amp Rated Continuous Current

2-10kA Rated Current

Efficient upgrade for obsolete, aging and problematic equipment

Updated CAD Drawings

Full future support

Spare parts for all your MM74 needs!

If you are upgrading or removing your MM74’s from service, sell Patriot your excess removals