CNC New Design Ycb9-63 4.5ka Miniature Circuit Breaker 1p 2p 3p 4p 63A MCB with Protective Cover
1.Overload protection
2.Short circuit protection
3.Controlling
4.Used in residential building, non-residential building, energy source industry and infrastructure.
5.According to the type of instantaneous release classified as follows : type B(3-5)ln, type C(5-10)ln, type D(10-20)ln
Type Standard |
|
lEC/EN 60898-1 |
Electrical features |
Rated current ln |
A |
1, 2, 4, 6, 10, 16, 20, 25, 32, 40, 50, 63 |
Poles |
P |
1, 2, 3, 4 |
Rated voltage Ue |
V |
230/400 |
Insulation voltage Ui |
V |
500 |
Rated frequency |
Hz |
50/60 |
Rated breaking capacity |
A |
4500 |
Rated impulse withstand voltage(1.2/50)Uimp |
V |
6000 |
Dielectric test voltage at ind. Freq. for 1min |
kV |
2 |
Pollution degree |
|
2 |
Thermo-magnetic release characteristic |
|
B, C, D |
Mechanical features |
Electrical life |
t |
8000 |
Mechanical life |
t |
20000 |
Protection degree |
|
IP20 |
Reference temperature for setting of thermal element |
ºC |
30 |
Ambient temperature (with daily average≤35ºC) |
ºC |
-5~+40 |
Storage temperature |
ºC |
-25~+70 |
Installation |
Terminal connection type |
|
Cable/Pin-type busbar |
Terminal size top / bottom for cable |
mm² |
25 |
AWG |
18-3 |
Terminal size top / bottom for busbar |
mm² |
25 |
AWG |
18-3 |
Tightening torque |
N*m |
2 |
In-Ibs |
18 |
Mounting |
|
On DIN rail EN 60715(35mm)by means of fast clip device |
Connection |
|
From top and bottom |