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KNB1-63 Miniature Circuit Breaker (2014)

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  • KNB1-63(2014)
  • Korlen

    KNL1 series Residual current circuit breaker(without over-current protection) is suitable for the line of AC,A and S 50/60Hz, voltage 240V(2 pole)/415V(4 pole), rated current up to 63A. When there is human electricity shock or if the leakage current of the line exceeds the prescribed value, it will cut off the power rapidly to protect human safety and prevent the accident due to the current leakage. It can be used as infrequent changeover of the line in normal situation.It is applicable to industrial site, commercial site, tall building and civil house.
    It complies with standard of GB16916.1 and IEC/EN61008.1.

Frame class 63A
Rated working voltage 240V/415V
Rated frequency 50/60Hz
Rated working current 1361016202532405063A
Making and breaking capacity 6000A(6~40A)4500A(5063A)
Release type BCD
Poles 1234P
Mechanical life 20000
Electric life 4000

Sequence
NO .
Release Test
current I/In
Start state Tripping time Expected
result
1 B、CD 1.13In Cold state t≤1h Not tripping
2 B、CD 1.45In Start right after the serial NO . 1 test t<1h Tripping
3 B、CD 2.55In Cold state 1s<t60s(ln32A)
1s<t120s(ln>32A)
Tripping
4 B
C
D
3In
5In
10In
Cold state t≤0.1s Not Tripping
5 B
C
D
5In
10In
20In
Cold state t<0.1s Tripping

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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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