KNM2
Korlen
The rated insulation voltage of this circuit breaker is 750V which is applicable for the electricity distribution net of AC 50Hz, rated working voltage 690V and below, rated working current from 6A to 630A. It is used to distribute electric power and protect the line and power apparatus from being overload and short-circuit protection of the motor.
This KNM1L Moduled Case sircuit Breaker can be installed vertically and horizontally.
This product complies with standard IEC60947-2、GB14048.2。
The rated insulation voltage of this circuit breaker is 750V which is applicable for the electricity distribution net of AC 50Hz, rated working voltage 690V and below, rated working current from 6A to 630A. It is used to distribute electric power and protect the line and power apparatus from being overload and short-circuit protection of the motor.
This KNM1L Moduled Case sircuit Breaker can be installed vertically and horizontally.
This product complies with standard IEC60947-2、GB14048.2。
No. | Testing current name | I/In | Assumed time | Starting situation |
1 | Assumed un-tripping 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 | KNM2-100N | KNM2-160N | KNM2-250N | KNM2-400N | KNM2-630N | KNM2-800N | KNM2-1000N | KNM2-1250N | KNM2-1600N | ||
Rated current In(A) | 16,32,63,80,100 | 125,160 | 200,250 | 350,400 | 500,630 | 630,800 | 800,1000 | 1000,1250 | 1250,1600 | ||
Rated insulation voltage(V) | 750 | 750 | 750 | 750 | 750 | 800 | 800 | 800 | 800 | ||
Rated pulse voltage(KV) | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | ||
Rated working voltage ue (V) | AC690 | AC690 | AC690 | AC690 | AC690 | AC690 | AC690 | AC690 | AC690 | ||
DC500 | DC500 | DC500 | DC500 | DC500 | | | | | |||
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 | 30 | 30 | 30 | 30 | 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 | 75%luc | 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 | ||
Outline dimensions(mm) | W | 105 | 105 | 105 | 140 | 140 | 210 | 210 | 210 | 210 | |
H | 161 | 161 | 161 | 255 | 255 | 255 | 255 | 327 | 327 | ||
D | 86 | 86 | 86 | 110 | 110 | 147 | 147 | 147 | 147 |
No. | Testing current name | I/In | Assumed time | Starting situation |
1 | Assumed un-tripping 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 | KNM2-100N | KNM2-160N | KNM2-250N | KNM2-400N | KNM2-630N | KNM2-800N | KNM2-1000N | KNM2-1250N | KNM2-1600N | ||
Rated current In(A) | 16,32,63,80,100 | 125,160 | 200,250 | 350,400 | 500,630 | 630,800 | 800,1000 | 1000,1250 | 1250,1600 | ||
Rated insulation voltage(V) | 750 | 750 | 750 | 750 | 750 | 800 | 800 | 800 | 800 | ||
Rated pulse voltage(KV) | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | ||
Rated working voltage ue (V) | AC690 | AC690 | AC690 | AC690 | AC690 | AC690 | AC690 | AC690 | AC690 | ||
DC500 | DC500 | DC500 | DC500 | DC500 | | | | | |||
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 | 30 | 30 | 30 | 30 | 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 | 75%luc | 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 | ||
Outline dimensions(mm) | W | 105 | 105 | 105 | 140 | 140 | 210 | 210 | 210 | 210 | |
H | 161 | 161 | 161 | 255 | 255 | 255 | 255 | 327 | 327 | ||
D | 86 | 86 | 86 | 110 | 110 | 147 | 147 | 147 | 147 |