MOW1 series air circuit breaker is applicable for power distribution network with AC50/60Hz, rated voltage 400/415/600/690v, and rated current 200~6300A. This circuit breaker hasintelligent protection function and accurate selective protection, it improves reliability ofpower supply and avoids unnecessary power failure. Such ACB can divide the power andprotect the line and power device from overload, under- voltage ,short circuit ...
| Model NO. | MOW1-2000/3 | ||||
| Frame current inm(A) | 2000 | 3200 | 4000 | 6300 | |
| Rated Current In(A) | 400,630,800,1000,1250,1600,2000 | 2000,2500, 2900,3200 |
3200,3600, 4000 |
4000，5000， 6300 |
|
| Rated Voltage Ue (V) | 400V/690V | ||||
| Frequency | AC50/60 Hz | ||||
| Rated Insulation voltage Ui (V) | 1000 | ||||
| Rated impulse withstand voltage Uimp (V) | 1200 | ||||
| Poles | 3P 4P | ||||
| Rated ultimate short circuit breaking capacity Icu (KA) | AC400V | 80 | 100 | 100 | 120 |
| AC690V | 50 | 65 | 75 | 85 | |
| Rated run short circuit breaking capacityIcs (KA) | AC400V | 50 | 65 | 80 | 100 |
| AC690V | 40 | 50 | 65 | 75 | |
| Rated short time withstand currentIcw (KA) | AC400V | 50 | 65 | 65 | 85 |
| AC690V | 40 | 50 | 50 | 65 | |
| Electric life | 1000 | 500 | 500 | 500 | |
| ModelNO. | MOW1-1600 | |||||||
| Rating current Inm(A) | 1600 | |||||||
| Rated current In(A) | 200,400,500,630,800,1000,1250,1600 | |||||||
| Rated operating voltage Ue(V) | AC400, AC690 | |||||||
| Operating frequency (Hz) | 50Hz/60Hz | |||||||
| Rated insulation voltage Ui(V) | 1000 | |||||||
| Rated impulse withstand voltage Uimp(kV) | 12 | |||||||
| Power frequency withstand voltage U(V)1min | 3500 | |||||||
| Number of poles | 3,4 | |||||||
| N-pole rated current In(A) | 100%ln | |||||||
| Selective class | B | |||||||
| Rated limit short-circuit breakingcapacity Icu(kA)(effective value) | AC400V | 65 | ||||||
| AC690V | 50 | |||||||
| Rated operating short-circuitbreaking capacity Ics(kA)(RMS) | AC400V | 55 | ||||||
| AC690V | 42 | |||||||
| Rated short-circuit closing capacityIcm(kA)(peak) | AC400V | 143 | ||||||
| AC690V | 105 | |||||||
| Rated short-time withstand current(1s)Icw(kA)(RMS) | AC400V | 55 | ||||||
| AC690V | 42 | |||||||
| Total breaking time (no additional delay) (ms) | 25 | |||||||
| Closing time (ms) | Max. 70 | |||||||
| Electrical life (s) | AC400V | In=200A~630A | 1500 | |||||
| In=800A~1250A | 1000 | |||||||
| In=1600A | 800 | |||||||
| AC690V | In=200A~630A | 1000 | ||||||
| In=800A~1250A | 650 | |||||||
| In=1600A | 500 | |||||||
| Mechanical life (second) | maintenance-free | 15000 | ||||||
| Be maintained | 20000 | |||||||
| Dimensions (width X height X depth)mm | Stationary | 3P | 260x310x240 | Drawer type |
3P | 275x345x330 | ||
| 4P | 330x310x240 | 4P | 345x345x330 | |||||
