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KNB6-125 Miniature Circuit Breaker
KNB6-125 Miniature Circuit Breaker
KNB6-125 Miniature Circuit Breaker
KNB6-125 Miniature Circuit Breaker
KNB6-125 Miniature Circuit Breaker
KNB6-125 Miniature Circuit Breaker

KNB6-125 Miniature Circuit Breaker

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KNB6-125 Circuit Breaker is nice in appearance, reasonable in structure, sound in feature and high in breaking capacity

 KNB6-125 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/415V, and rated current to 125A as protection against overload and short-circuit. It can be used as infrequent on-and-off operation and changeover.
      It complies with standard of IEC60947-2.


Frame class125A
Rated working voltage240V/415V
Rated frequency50/60Hz
Rated working current63、80100125A
Ultimate short-circuit breaking capacity10KA
Operative short-circuit breaking capacity7.5KA
Release typeB、CD
Poles1、234P
Mechanical life20000
Electric life2000


Sequence
NO .
ReleaseTest
current I/In
Start stateTripping timeExpected
result
1C1.05InCold statet≤2hNot tripping
2C1.3InStart right after the serial NO . 1 testt<2hTripping
3C2.55InCold state1s<t120sTripping
4C
 
5In
 
Cold statet≤0.1sNot Tripping
5C
 
10In
 
Cold statet<0.1sTripping


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