Disyuntores de aire — SW45 Series ACB
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Designation
SW45 series intelligent air circuit breakers are applied for the network circuit of AC 50 / 60Hz, rated voltage 400V,690V and rated current between 630A and 6300A, mainly used for distribution energy and protecting the circuit and power supply device against short-circuit, under-voltage, single-phase ground fault, etc. The air circuit breaker has intelligent protection function and the key parts adopt intelligent release. The release can make the accurate selective protection, which can avoid cutting off the power and improve the reliability of power supply.
Specaition
Inm A | 2000 | 3200 | 4000 | 6300 | |||
Rated limit short-circuit breaking capacity Icu(kA)/O-CO | 400V | 80 | 100 | 100 | 120 | ||
690V | 50 | 65 | 75 | 85 | |||
Rated short-circuit making capacity nxIcu(kA)/COSΦ | 400V | 176/0.2 | 220/0.2 | 220/0.2 | 264/0.2 | ||
690V | 105/0.25 | 143/0.2 | 165/0.2 | 187/0.2 | |||
Rated service short-circuit breaking capacity Ics(kA)/O-CO-CO | 400V | 50 | 65 | 80 | 100 | ||
690V | 40 | 65 | 65 | 75 | |||
Rated short-time withstand current Icw(kA)1S, time delay 0.4S, O-CO | 400V | 50 | 65 | 65/80(MCR) | 85/100(MCR) | ||
690V | 40 | 50 | 50/65(MCR) | 65/75(MCR) | |||
Note: breaking capacity indexes of upper and low incoming lines are the same. |
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