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1 - 9 of 9 results

IEEE - ANSI C37.121 - AMERICAN NATIONAL STANDARD FOR SWITCHGEAR— UNIT SUBSTATIONS— REQUIREMENTS Organization: IEEE
Date: 1989-06-05
Description: This new standard has been developed to outline the requirements for unit substations, utilizing other documents such as NEMA 201 covering primary substations, NEMA 210 covering secondary unit substations, and a draft document on articulated unit substations compiled by a working group of the disbanded High Voltage Apparatus Coordinating Committee (HVACC).
DS/EN 62208 - EMPTY ENCLOSURES FOR LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR ASSEMBLIES - GENERAL REQUIREMENTS Organization: DS
Date: 2011-12-16
Description: NOTE 2 The United States of America (USA) uses enclosure "Type" designations according to NEMA 250. The NEMA Enclosure Type designations specify additional environmental requirements for conditions such as corrosion, rust, icing, oil, and coolants.
CENELEC - EN 62208 - EMPTY ENCLOSURES FOR LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR ASSEMBLIES - GENERAL REQUIREMENTS Organization: CENELEC
Date: 2011-10-01
Description: NOTE 2 The United States of America (USA) uses enclosure "Type" designations according to NEMA 250. The NEMA Enclosure Type designations specify additional environmental requirements for conditions such as corrosion, rust, icing, oil, and coolants.
IEC 62208 - EMPTY ENCLOSURES FOR LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR ASSEMBLIES – GENERAL REQUIREMENTS - EDITION 2.0 Organization: IEC
Date: 2011-08-01
Description: NOTE 2 The United States of America (USA) uses enclosure "Type" designations according to NEMA 250. The NEMA Enclosure Type designations specify additional environmental requirements for conditions such as corrosion, rust, icing, oil, and coolants.
CEI EN 62208 - EMPTY ENCLOSURES FOR LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR ASSEMBLIES - GENERAL REQUIREMENTS Organization: CEI
Date: 2012-02-01
Description: NOTE 2 The United States of America (USA) uses enclosure "Type" designations according to NEMA 250. The NEMA Enclosure Type designations specify additional environmental requirements for conditions such as corrosion, rust, icing, oil, and coolants.
NASA-16286S - OVERCURRENT PROTECTIVE DEVICES Organization: NASA
Date: 2005-12-01
Description: Drawings should show frame and trip ratings, interrupting ratings, and NEMA types and sizes, as well as single-line and schematic diagrams, elevations, and details.
NASA - UFGS-26 05 70.00 40 - HIGH VOLTAGE OVERCURRENT PROTECTIVE DEVICES Organization: NASA
Date: 2015-02-01
Description: Show frame and trip ratings, interrupting ratings, and NEMA types and sizes, as well as single-line and schematic diagrams, elevations, and details on drawings.
IEEE C37.27 - GUIDE FOR LOW-VOLTAGE AC (635 V AND BELOW) POWER CIRCUIT BREAKERS APPLIED WITH SEPARATELY- MOUNTED CURRENT-LIMITING FUSES Organization: IEEE
Date: 2015-12-05
Description: Purpose This guide sets forth recommendations believed essential for the selection of current-limiting fuses (see NEMA FU-1 and UL 248-1) for use in combination with low-voltage ac power circuit breakers, rated in accordance with IEEE Std C37.13™ and applied in metal-enclosed low-voltage power circuit breaker switchgear in accordance with IEEE Std C37.20.1™.
IEEE C37.18 - STANDARD ENCLOSED FIELD DISCHARGE CIRCUIT BREAKERS FOR ROTATING ELECTRIC MACHINERY Organization: IEEE
Date: 1979-01-01
Description: This standard was first published in 1962 as IEEE Publication No 90 for trial use. It was also published as NEMA Std SG3-1965, Low-Voltage Power. After a period of industry use the material was reviewed and revised and published as USA Std 37.18-1968 (R1975), Requirements for Field Discharge Circuit Breakers for Rotating Electric Machinery, and USA Std C37.16a-1968, Supplement to USA Std C37.16-1963, Preferred Ratings and Related Requirements for Low-Voltage Power Circuit Breakers.

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