Specifications
C45N(DZ47-63) Mini Circuit Breaker (MCB) is applicable to circuit with rated voltage up 400V AC, rated frequency 50/60Hz and rated current up to 63A for protection and control of circuit against overload and short circuit in commercial, household and electric equipment installation. The product is suitable for non-frequently making and breaking operation.
Basic specification and main parameters
Frame class |
63A |
|
Rated working voltage |
240V/415V |
|
Rated frequency |
50/60Hz |
|
Rated working current |
1,3,6,10,16,20,25,32,40,50,63A |
|
Making and breaking capacity |
6000A(6~40A),4500A(50,63A) |
|
Release type |
B,C,D |
|
Poles |
1,2,3,4P |
|
Mechanical life |
20000 |
|
Electric life |
4000 |
The over-current tripping unit protection feature
Sequence NO . |
Release |
Test |
Start state |
Tripping |
Expected |
|
1 |
B,C,D |
1.13In |
Cold state |
t≤1h |
Not tripping |
|
2 |
B,C,D |
1.45In |
Start right after |
t<1h |
Tripping |
|
3 |
B,C,D |
2.55In |
Cold state |
1s<t<60s |
Tripping |
|
4 |
B |
3In |
Cold state |
t≤0.1s |
Not tripping |
|
5 |
B |
5In |
Cold state |
t<0.1s |
Tripping |
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