ANSI NEMA C37.50:2018(R2025)
Current
The latest, up-to-date edition.
American National Standard for Switchgear—Low Voltage AC Power Circuit Breakers Used in Enclosures—Test Procedures
Hardcopy , PDF
English
10-04-2025
Covers the test procedures for enclosed low voltage ac power circuit breakers as follows: stationary or drawout circuit breakers of two- or three-pole construction; unfused or fused circuit breakers; and manually operated or power-operated circuit breakers with or without electromechanical or solid state trip devices.
| DocumentType |
Standard
|
| Pages |
34
|
| PublisherName |
National Electrical Manufacturers Association
|
| Status |
Current
|
| Supersedes |
| ANSI NEMA C37.51:2018(R2025) | American National Standard for Switchgear—Metal-Enclosed Low Voltage AC Power Circuit Breaker Switchgear Assemblies—Conformance Test Procedures |
| IEEE C37.09-1999 | IEEE Standard Test Procedure for AC High-Voltage Circuit Breakers Rated on a Symmetrical Current Basis |
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