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KNB6-40 Miniature Circuit Breaker
KNB6-40 Miniature Circuit Breaker
KNB6-40 Miniature Circuit Breaker
KNB6-40 Miniature Circuit Breaker
KNB6-40 Miniature Circuit Breaker
KNB6-40 Miniature Circuit Breaker

KNB6-40 Miniature Circuit Breaker

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KNB6-40 series Miniature Circuit Breaker is nice in appearance

     KNB6-40 series Miniature Circuit Breaker is nice in appearance, reasonable in structure, sound in feature and high in breaking capacity. Installed with standard din rail, it is convenient and easy in usage. It is mainly used in the line of AC 50/60Hz, rated working voltage to 240V, and rated current to 40A as protection against overload and short-circuit. It can be used as infrequent on-and-off operation and changeover.
      It complies with standard of GB10963 and IEC/EN60898.


Frame class40A
Rated working voltage240V
Rated frequency50/60Hz
Rated working current6、101620253240A
Making and breaking capacity4500A
Release typeC
Poles1P+N
Mechanical life8000
Electric life4000


Sequence
NO .
ReleaseTest
current I/In
Start stateTripping timeExpected
result
1C1.13InCold statet≤1hNot tripping
2C1.45InStart right after the serial NO . 1 testt<1hTripping
3C2.55InCold state1s<t60s
 
Tripping
4C5In
 
Cold statet≤0.1sNot Tripping
5C10In
 
Cold statet<0.1sTripping



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