This standard pertains to:
1) direct-acting overcurrent electro-mechanical trip devices
2) direct-acting overcurrent electronic trip devices
3) reverse-current trip devices
4) undervoltage trip devices
that are integral with low voltage AC and DC power circuit breakers covered by ANSI/IEEE C37.13, ANSI/IEEE C37.14, and ANSI C37.16.
This product Is related to:
NEMA PB2.2-1999 - Application Guide for Ground Fault Protective Devices for Equipment