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Residual Current Circuit Breaker (KNL5-63)
Application
KNL5 series Residual current circuit breaker(without over-current protection) is suitable for the line of AC 50/60Hz, voltage 240V(2pole)/415V(4pole), 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 IEC/EN61008.1 and GB16916.1.
Model and meaning
Basic specification and main parameters
|
Frame |
63A |
|
Rated working voltage |
240/415V |
|
Rated frequency |
50/60Hz |
|
Rated working current |
16、20、25、32、40、50、63A |
|
Rated residual operating current |
0.03,0.1,0.3A |
|
Rated residual un-operating current |
0.015,0.05,0.15A |
|
Sensibility |
A Type, AC Type |
|
Maximum operating time |
I△n t≤0.1s , 5I△n t≤0.04 |
|
Rated making and breaking capacity |
In≤50A 500A,In=63A 630A |
|
Limiting value of un-operating current |
6In |
|
Rated limiting short-circuit current |
6000A |
|
Pole number |
2、4P |
|
Mechanical life |
10000 |
|
Electric life |
4000 |
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