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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 A2000320040006300
Rated limit short-circuit breaking capacity
Icu(kA)/O-CO
400V80100100120
690V50657585
Rated short-circuit making capacity
nxIcu(kA)/COSΦ
400V176/0.2220/0.2220/0.2264/0.2
690V105/0.25143/0.2165/0.2187/0.2
Rated service short-circuit breaking capacity
Ics(kA)/O-CO-CO
400V506580100
690V40656575
Rated short-time withstand current
Icw(kA)1S, time delay   0.4S, O-CO
400V506565/80(MCR)85/100(MCR)
690V405050/65(MCR)65/75(MCR)
Note: breaking capacity indexes of upper and low incoming lines are the same.


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