The National Electrical Manufacturers Association (NEMA) has recently published NEMA AB 3, "Molded Case Circuit Breakers and Their Application." The National Electrical Manufacturers Association (NEMA ...

ABB’s Advance 27 medium voltage metal-clad switchgear product line, utilizing the AMVAC circuit breaker, answers the industry’s need for increased voltage ratings while decreasing O&M costs. ABB has ...