Circuit Breaker Ratings: mccb_endurance_ops
Circuit breaker ratings and application data per IEEE C37.06-2009 (medium/high-voltage power CBs) and IEEE Std 3004.5-2025 (low-voltage LVPCB and MCCB). Covers MV/HV preferred ratings (interrupting, TRV, close-latch), LV frame and trip-device ratings, LVPCB short-circuit ratings with and without instantaneous trip, X/R multiplying factors for fault-current derating, altitude derating factors, and MCCB electrical endurance operation counts.
| voltage class | interrupting kA | breaker type | frame size A (A) | ops per min (ops/min) | ops with current (operations) | ops without current (operations) | standard | total ops (operations) |
|---|---|---|---|---|---|---|---|---|
| mccb_endurance_ops | 100 | MCCB | 100 | 6 | 6,000 | 4,000 | IEEE Std 3004.5-2025 | 10,000 |
| mccb_endurance_ops | 150 | MCCB | 150 | 5 | 4,000 | 4,000 | IEEE Std 3004.5-2025 | 8,000 |
| mccb_endurance_ops | 225 | MCCB | 225 | 5 | 4,000 | 4,000 | IEEE Std 3004.5-2025 | 8,000 |
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