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Categories：ACB
Model：GKW1
Normal working conditions
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Protection pole: IP30 |
Pollution degree: III |
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Use category: Class B or Class A |
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Installation category Circuit breakers with rated operating voltages of 660V (690V) and below and undervoltage releases, primary coils for power transformers for category IV installation; auxiliary circuits and control circuits for installation category III. |
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ambient air temperature The upper limit does not exceed +40 ° C, the lower limit is not lower than -5 ° C, and the average value of 24 h does not exceed +35 ° C |
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Atmospheric conditions The relative humidity of the atmosphere does not exceed 50% when the ambient air is +40 ° C |
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Structure introduction
Technical data and performance
| Rack rated current Inm(A) | Rated current In(A) |
| 2000 | 200、315、400、500、630、800、1000、1250、1600、2000 |
| 3200 | 2000、2500、2900、3200 |
| 4000 |
3200、3600、4000 |
| 6300 | 4000、5000、6300 |
| Racj rated current Inm(A) | 2000 | 3200 | 4000 | 6300 | |
| Rated limit short-circuit breaking capacity Icu(kA) O-CO | 400V | 85 | 100 | 100 | 120 |
| 690V | 50 | 65 | 65 | 80 | |
| Rated short-circuit capabilityn × Icu(kA)/cosΦ | 400V | 176/0.2 | 220/0.2 | 220/0.2 | 264/0.2 |
| 690V | 105/0.25 | 143/0.2 | 143/0.2 | 187/0.2 | |
| Rated operating short-circuit breaking capacity Ics(kA) O-CO-CO | 400V | 65 | 65 | 65 | 80 |
| 690V | 40 | 50 | 50 | 70 | |
| Rated short-time withstand current Icw(kA) 1s,延时0.4s,o-CO | 400V | 65 | 65 | 65/80(MCR) | 85/100(MCR) |
| 690V | 40 | 50 | 50/65(MCR) | 65/75(MCR) | |
| GKW1 | 400A | 630A | 800A | 1000A | 1250A | 1600A | 2000A | |
| Ambient temperature℃ | ||||||||
| 40 | 400A | 630A | 800A | 1000A | 1250A | 1600A | 2000A | |
| 50 | 400A | 630A | 800A | 1000A | 1250A | 1550A | 1900A | |
| 60 | 400A | 630A | 800A | 1000A | 1250A | 1550A | 1800A | |
Road performance
| Rack rated current(A) | Total number of operating ccles |
| 2000 | 10000 |
| 3200、4000 | 5000 |
| 6300 | 2000 |
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Rated operating vlotage Required power Project |
交流(50Hz) | 直流 | ||||
| 220V | 380V | 110V | 220V | |||
| Shunt release | 24VA | 36VA | 24W | 24W | ||
| Undervoltage release | 24VA | 36VA | -- | -- | ||
| Closing electromagnet | 24VA | 36VA | 24W | 24W | ||
| Electric operating mechanism | Circuit breaker frame rated current | 2000A | 85VA | 85VA | 85W | 85W |
| 3200A、4000A | 110VA | 110VA | 110W | 110W | ||
| 6300A | 150VA | 150VA | 150W | 150W | ||
| Category | Undervoltage delay release | Undervoltage instantaneous release | |
| Trip unit action time | Delay 1.3.5S | Instantaneous | |
| Trip unit operating voltage value | 35%~70%Ue | Circuit breaker is reliably Disconnected | |
| ≤35%Ue | The circuit breaker cannot be closed | ||
| (85~100%)Ue | The circuit breaker can be reliably closed | ||
| In the 1/2 delay time, if the power supply voltage returns to 85% Ue | The circuit breaker does not open | ||
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