Standard Details
Information to assist in selection of current-limiting fuses for use with low-voltage ac power circuit breakers with separately mounted current-limiting fuses is provided.
| Sponsor Committee | |
| Status |
Superseded
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| Superseded by | |
| Board Approval |
2008-12-10
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| History |
Published Date:2009-03-31
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Additional Resources Details
| PAR |
Working Group Details
| Working Group |
LVSD-WG_C37.27 - LVSD - IEEE Standard Application Guide for Low-Voltage AC Nonintegrally Fused Power Circuit Breakers (Using Separately Mounted Current-Limiting Fuses)
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| Working Group Chair |
Keith Flowers
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| Sponsor Committee | |
| Society | |
| IEEE Program Manager | |
| Existing Standards |
Low-voltage power circuit breakers of the 600 V insulation class with separately mounted current-limiting fuses, for use on ac circuits with available short-circuit current of 200 000 A (rms symmetrical) or less, are covered. Guidance is provided respecting coordination of circuit breaker and fuse, location of fuses, open fuse trip devices, addition of fuses to existing installations, protection of connected equipment, and tested combinations of circuit breakers and fuses.
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Application recommendations to assist in selection of separately mounted current-limiting fuses to be installed in series with low-voltage ac power circuit breakers are provided in this guide.
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