Customization: | Available |
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Breaking Capacity: | Low Voltage Circuit Breakers |
Operation: | Electric Type |
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The AC Residual Current Circuit breaker is a safety appliance that protects personal safety and prevents electrical fires, can prevent electrical equipment from being damaged. It can be widely used in power distribution systems.
Product Benefits :
Technical Data
Mode | Electronic / Electromagnetic |
Type | A / AC / B |
Tripping curve | B C D |
Pole No. | 2P / 4P |
Rated voltage | 230/400V~ |
Rated frequency | 50/60Hz |
Rated current | 6-63A |
Rated residual operating current(IΔn) | 30.100.300mA |
Residual operating current range | 0.5 IΔn~IΔn |
Rated conditional short-circuit current(lnc) | 6000A / 10000A |
Energy limiting | class 3 |
Electrical and Mechanical life | 20000 |
Overload Current Protection Characteristics | ||||||
Test Procedure | Type | Test Current | Initial State | Tripping or Non-tripping Time Limit | Expected Result | Remark |
A | B.C.D | 1.13In | Cold | t≤1h | no tripping | |
B |
B.C.D |
1.45In |
After test A |
t≤1h |
tripping |
The current steadily rises to the specified
value within 5s |
C | B.C.D | 2.55In | Cold | 1s<t<60s | tripping | |
D |
B | 3In |
Cold |
t≤0.1s |
no tripping |
Turn on the auxiliary switch to close the
current |
C | 5In | |||||
D | 10In | |||||
E |
B | 5In |
Cold |
t≤0.1s |
tripping |
Turn on the auxiliary switch to close the
current |
C | 10In | |||||
D | 20In |