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KNB6-125 Miniature Circuit Breaker

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  • KNB6-125
  • Korlen

    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 class 125A
Rated working voltage 240V/415V
Rated frequency 50/60Hz
Rated working current 6380100125A
Ultimate short-circuit breaking capacity 10KA
Operative short-circuit breaking capacity 7.5KA
Release type B、CD
Poles 1、234P
Mechanical life 20000
Electric life 2000

Sequence
NO .
Release Test
current I/In
Start state Tripping time Expected
result
1 C 1.05In Cold state t≤2h Not tripping
2 C 1.3In Start right after the serial NO . 1 test t<2h Tripping
3 C 2.55In Cold state 1s<t120s Tripping
4 C
 
5In
 
Cold state t≤0.1s Not Tripping
5 C
 
10In
 
Cold state t<0.1s Tripping

2
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Tel: 0086-577-62207777 / 62870277
Add: NO.258 Weiershi Road,Yue Qing Economic & development Zone(yanpan),zhejiang China
E-mail: korlen@korlen.com
Fax: 0086-577-62661666

Circuit Breaker

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