NEMA SG 4-2009 (R2013)
- AC High-Voltage Circuit Breakers
- standard by National Electrical Manufacturers Association, 06/16
- Category: NEMA
$107.00
$54.00
Encompasses all ratings for outdoor circuit breakers above 1,000 V for ac services. Applies to attachments, auxiliaries and spare parts for circuit breakers and attachments; and recommended installation, operation, and maintenance procedures.
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