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4.5KA

Release time:2023-03-11popularity:447

This product is suitable for protecting short circuits and  overloads in circuits, suitable for lighting distribution  systems or motor distribution systems. It has a beautiful and  compact appearance, light weight, excellent performance,  reliable breaking ability, and fast release. 

The guide rail is  installed, and the shell and components are made of high flame  retardant and impact resistant plastic. 

With a long service life , it is mainly used for overload and short circuit protection of  AC 50Hz, rated voltage up to 400V, and rated current up to 63A  lines, At the same time, electrical devices and lighting  circuits can also be turned on and off infrequently under normal circumstances. 

This product complies with GB10963.1 .

Rated Current(A)

Number of polesVoltage(V)Icu

Instantaneous separator

current range

Breaking Current(A)Cosφ
6、10、16、20

25、32、40

1P
2304500A0.65~0.7

3ln~5ln(B)

5ln~10ln(C)

10ln~20ln(D)


2、3、4P400
50、631P2300.75~0.8
2,3,4P400

NumberType of SeparatorIn(A)I/InSeparation time(t)Initial StateAmbient temperature
1B、C、D≤631.13t≤1h UndividedCold state30℃~50℃
21.45t<1h SeparateHot state
3≤322.551s<t<60s SeparateCold state
4>321s<t<120s SeparateCold state
5BAll values3≤0.1s UndividedCold state
C5
D10
6B5<0.1s SeparateCold state
C10
D20


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