China Moulded Case Circuit Breaker MCCB with Ce CB, Find details about China Moulded Case Circuit Breaker, Circuit Breaker from Moulded Case Circuit Breaker MCCB with Ce CB
No. | Testing current name | I/In | Assumed time | Starting situation |
1 | Assumed untripping current | 1.05 | 2h(In> 63A), 1h(In≤ 63A) | Cold state |
2 | Assumed tripping current | 1.30 | 2h(In> 63A), 1h(In≤ 63A) | Start right after the number 1 test |
Type | KNM3-125N | KNM3-160N | KNM3-250N | KNM3-400N | KNM3-630N | KNM3-800N | KNM3-1000N | KNM3-1250N | KNM3-1600N | |
Rated insulation voltage(V) | 500 | 690 | 800 | 800 | 800 | 800 | 800 | 800 | 800 | |
Rated pulse voltage(KV) | 6 | 6 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | |
Rated working voltage ue (V) | AC690 | AC690 | AC690 | AC690 | AC690 | AC690 | AC690 | AC690 | AC690 | |
Ultimate short-circuit breaking capacity lcu(KA) AC 50/60Hz | 220/240V | 85 | 85 | 85 | 85 | 85 | 50 | 50 | 50 | 50 |
380/415V | 36 | 36 | 36 | 50 | 50 | 50 | 50 | 50 | 50 | |
440V | 35 | 35 | 35 | 42 | 42 | 50 | 50 | 50 | 50 | |
500V | 25 | 60 | 60 | 60 | 60 | 40 | 40 | 40 | 40 | |
525V | 22 | 22 | 22 | 22 | 22 | 40 | 40 | 40 | 40 | |
660/690V | 8 | 8 | 8 | 10 | 10 | 30 | 30 | 30 | 30 | |
Operative short-circuit Breaking capacity | 50% | 75%luc | 75%luc | 75%luc | 75%luc | 75%luc | 75%luc | 75%luc | 75%luc | |
Isolation function | ||||||||||
Usage category | A | A | A | A | A | B | B | B | B | |
Machanical life | 50000 | 40000 | 20000 | 15000 | 10000 | 10000 | 10000 | 10000 | 10000 | |
Electrical life | 30000 | 20000 | 10000 | 6000 | 4000 | 5000 | 5000 | 4000 | 2000 | |
W | 105 | 105 | 105 | 140 | 140 | 210 | 210 | 210 | 210 | |
H | 161 | 161 | 161 | 255 | 255 | 327 | 327 | 327 | 327 | |
D | 86 | 86 | 86 | 110 | 110 | 147 | 147 | 147 | 147 |