Customization: | Available |
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Breaking Capacity: | High Voltage Circuit Breakers |
Operation: | Manual Type |
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CNC OEM Factory Air Circuit Breaker 400A 4000A 1250A 3p 42 Ka
Rated current In(A) | 1600 | 2000 | 3200 | 4000 | 6300 | |
Rated ultimate short circuit breaking capacity Icu(kA) | 400/415V | 65 | 80 | 100 | 120 | 135 |
660/690V | 50 | 65 | 85 | 85 | 100 | |
Rated service short circuit breaking capacity Ics(kA) | 400/415V | 55 | 65 | 80 | 100 | 135 |
660/690V | 42 | 65 | 70 | 85 | 100 | |
Rated short time withstand current Icw.1s(kA) | 400/415V | 50 | 65 | 80 | 100 | 135 |
660/690V | 42 | 65 | 70 | 85 | 100 | |
Rated short circuit making and breaking capacity Icm(kA) | 400/415V | 110 | 176 | 220 | 264 | 297 |
660/690V | 77 | 143 | 154 | 187 | 220 | |
Electric life | 8000 | 8000 | 8000 | 6000 | 1500 | |
Mechanical life (Maintenance) | 30000 | 30000 | 20000 | 20000 | 5000 | |
Mechanical life (Non-maintenance) | 20000 | 15000 | 12500 | 10000 | 2500 | |
Dimension(mm) W×H×L | ||||||
Drawout type | 3P | 285×345×351 | 375×451×432 | 435×486×439 | 435×486×439 | 930×486×439 |
4P | 352×345×351 | 470×451×432 | 550×486×439 | 550×486×439 | / | |
Fixed type | 3P | 254×251×320 | 362×362×395 | 426×378×395 | 426×378×395 | / |
4P | 324×251×320 | 457×362×395 | 537×378×395 | 537×378×395 | / |