NEMA Standard addresses heavy-duty switches.

Press Release Summary:



NEMA has published NEMA KS 1-2013 standard, which covers heavy-duty enclosed and dead-front switches that are rated at not more than 600 V and 4,000 A with or without horsepower rating. DC ratings shall be up to and including 600 V, 1200 A; with or without provision for fuses; with current-carrying parts and mechanisms enclosed in metallic or nonmetallic cases, or that are enclosed when mounted in enclosed switchboard, panelboard, or similar; and manually operable by means of external handles.



Original Press Release:



NEMA Publishes Standard NEMA KS 1-2013 Heavy Duty Enclosed and Dead-Front Switches (600 Volts Maximum)



ROSSLYN, Va., —The National Electrical Manufacturers Association (NEMA) published NEMA KS 1-2013 Heavy Duty Enclosed and Dead-Front Switches (600 Volts Maximum).



NEMA KS 1-2013 sets requirements for heavy duty-rated products which extend beyond traditional performance. This standard covers heavy duty enclosed and dead-front switches that are: rated at not more than 600 volts and 4000 amperes with or without a horse­power rating. The dc ratings shall be up to and including 600 volts, 1200 amperes; with or without provision for fuses; with current-carrying parts and mechanisms enclosed in metallic or nonmetallic cases, or that are enclosed when mounted in an enclosed switchboard, panelboard, or similar; and manually operable by means of external handles.



NEMA KS 1 may be downloaded at no cost or purchased in hardcopy for $118 on the NEMA website.



NEMA is the association of electrical equipment and medical imaging manufacturers, founded in 1926 and headquartered in Rosslyn, Virginia. Its 400-plus 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. Total U.S. shipments for electroindustry products exceed $100 billion annually.



National Electrical Manufacturers Association

Visit our website at www.nema.org

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