Press Release Summary:
NEMA received approval of its distribution equipment standard –Â ANSI/NEMA AB 3-2013 – from American National Standards Institute (ANSI). Said standardÂ covers molded case circuit breakers and molded case switches, single-pole and multi-pole, fused and unfused, as well as their accessories. Specific updates to this publication include addition of photovoltaic (PV) circuit breakers, National Electrical CodeÂ® references, and diagrams.
Original Press Release:
NEMA Publishes ANSI-Approved AB 3-2013 Molded Case Circuit Breakers and Their Application
ROSSLYN, Va. —The National Electrical Manufacturers Association (NEMA) recently received approval of its distribution equipment standard from the American National Standards Institute (ANSI).
ANSI/NEMA AB 3-2013 covers molded case circuit breakers and molded case switches, single-pole and multi-pole, fused and unfused, and their accessories. These circuit breakers and switches are assembled as integral units in supporting housings of insulating material and have rated voltages up to and including 1000V, 50/60Hz, ac or ac/dc, and have rated interrupting current ratings of 5000 amperes or more. Updates to this publication include the addition of photovoltaic circuit breakers, National Electrical Code® references, and diagrams.
ANSI/NEMA AB 3-2013 may be downloaded at no charge. A hard copy may be purchased for $94 by visiting global.ihs.com, or contacting IHS by phone at 800-854-7179 (U.S. only) or 303-397-7956 (international).
NEMA is the association of electrical equipment and medical imaging manufacturers, founded in 1926 and headquartered in Arlington, Virginia. Its member companies manufacture a diverse set of products including power transmission and distribution equipment, lighting systems, factory automation and control systems, and medical diagnostic imaging systems. Worldwide annual sales of NEMA-scope products exceed $120 billion.
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