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NEMA Harmonizes Maintenance Standards for Molded-Case Circuit Breakers


08/4/2017 3:00PMSign-up to receive press releases.

ROSSLYN, Va.—Today, the National Electrical Manufacturers Association (NEMA) published a new version of NEMA AB 4-2017 Guidelines for Inspection and Preventive Maintenance of Molded-Case Circuit Breakers Used in Commercial and Industrial Applications

"This revision contains several edits to reflect new industry practices as well as harmonize the industry standards that apply to molded-case circuit breakers," said Patrick Salas, chair of the AB4 Task Group, and director, Codes & Standards GE Energy Connections, Industrial Solutions.

Molded-case circuit breakers have a very diverse use in several commercial and industrial applications. NEMA AB 4 is designed to guide qualified personnel during inspection and maintenance.

NEMA AB 4-2017 is available for $103 in hard copy and as an electronic download at no cost on the NEMA website.

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The National Electrical Manufacturers Association (NEMA) represents nearly 325 electrical equipment and medical imaging manufacturers that make safe, reliable, and efficient products and systems. Our combined industries account for 370,000 American jobs in more than 6,100 facilities covering every state. These industries produce $124 billion in shipments and $42 billion in exports of electrical equipment and medical imaging technologies per year.

Press contact:
Tracy Cullen
703-841-3282
press@nema.org


 

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