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.
Press/Public Relations Contacts:
NEMA Communications Department
Email: Contact Form