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ANSI C37.50-2018

Switchgear - Low Voltage AC Power Circuit Breakers Used in Enclosures -Test Procedures

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.

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NEMA: National Electrical Manufacturers Association [nema]

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