These requirements cover low-voltage ac power circuit breakers as follows:
a) Stationary-mounted or drawout-mounted types,
b) 2-pole and 3-pole constructions,
c) Manually operated or power operated, and
d) With or without electromechanical or solid-state type trip device.
These requirements apply to drawout-mounted type low-voltage ac integrally fused power circuit breakers, consisting of low-voltage ac power circuit breakers with
integral current limiters or fuses.
These requirements apply to low-voltage ac fuse draw-outs consisting of current limiters or fuses in a drawout assembly intended to be connected in series with a
low-voltage ac power circuit breaker to form a fused circuit breaker.
These requirements apply to general purpose type low-voltage dc power circuit breakers.
These requirements cover equipment intended for use in ordinary locations in accordance with the National Electrical Code, ANSI/NFPA 70.
| Edition : | 3 |
| Number of Pages : | 26 |
| Published : | 05/30/1997 |
