PowerMaster NEMA 4 and NEMA 7 & 9 Applications

Protect your commercial garage door operators with PowerMaster NEMA 4 enclosures for car washes and NEMA 7 & 9 enclosures for hazardous locations. Our PowerMaster line at North Shore Commercial Door is economically priced for use on heavy-duty industrial and commercial door operators. National Electric Manufacturers Association (NEMA) 4 standards are designed for carwash (wet or damp) applications on standard-lift or high-lift doors, rolling service doors and grilles.

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We have NEMA 4 enclosures that are mechanically self-locking with an adjustable torque limiting clutch. Disconnect the arm for manual operation. Three-button control stations are included with some models. Choose our NEMA 7 & 9 PowerMaster enclosures for use in chemical plants, oil and gas plants and other hazardous locations. They are the best applications for rolling service doors, grilles and vertical-lift or high-lift sectional doors at operations in hazardous areas. Download our product manuals before placing your order to make sure you're choosing the best application for your commercial or industrial site.