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YCM2 Moulded Case Circuit Breaker
Application:
YCM2 series moulded case circuit breaker, is
suitable for the circuit of AC 50Hz (or60Hz),rated insulation Voltage 660V,
rated operating Voltage under AC 660V, 250V(DC),rated operating current
10A-800A. It is for distributing energy of electricity and infrequent making and
circuit under normal conditions. The MCCB rated current under 400A.
They are provided with the function of the protection against overload and short
circuit and under-voltage. The MCCB complies with standard of IEC60947-2.
1.Tripping Characteristics
Rated Current of release(A) |
Thermodynamic Release(ambient temp+40¡ãC£© |
Operational Current of Magnetic Release(A) |
|
1.05In(cold state) inoperative time(h) |
1.30In(heat state) inoperative time(h) |
||
In¡Ü63 |
¡Ý1 |
¡´1 |
10-50In¡À20%¡¡¡¡ |
63<In¡Ü250 |
¡Ý2 |
¡´2 |
10In¡À20%¡¡ |
25<In¡Ü800 |
¡Ý2 |
¡´2 |
5-10In¡À20%¡¡ |
¡¡
Rate Current of release(A) |
Thermodynamic Release (ambient temp+40¡ãC£© |
Operational Current of Magnetic Release(A) |
|||
1.0In(cold state) inoperative time(h) |
1.20In(heat state) inoperative time(h) |
1.50In(heat state)inoperative time(h) |
1.01In(cold state) inoperative time(h) |
||
12.5<In¡Ü400 |
¡Ý2 |
<2 |
<4min |
2S<Tp¡Ü10S |
12In¡À20% |
2.Main Technical specifications
Type |
Rated current (A) |
Pole number |
Rated Insulating Voltage(V) |
Rated Operating Voltage (V£© |
Arcing Over Distance (mm) |
Ultimate Short Circuit Breaking Capacity(KA) |
¡¡ |
Servies Short Circuit Breaking Capacity(KA) |
Operation performance (Endurance) |
¡¡ |
Overall dimensions |
||||
YCM2-125E |
12.5,16,20,25,32, 40,50,63,80,100,125 |
2,3,4 |
660 |
380,660 |
¡Û30 |
15 |
- |
- |
7.5 |
3000 |
7000 |
120 |
76/101 |
70 |
|
YCM2-125S |
25 |
- |
20 |
16 |
|||||||||||
YCM2-160S |
16,20,32,40,50, 63,80,100,125,160 |
0 |
35 |
8 |
20 |
18 |
4000 |
6000 |
120 |
90/120 |
70 |
||||
YCM2-160H |
50 |
10 |
40 |
25 |
|||||||||||
YCM2-250S |
100,125,160,180, 200,225,250 |
35 |
10 |
40 |
18 |
2000 |
6000 |
170 |
105/140 |
103.5 |
|||||
YCM2-250M |
50 |
16 |
40 |
30 |
|||||||||||
YCM2-250H |
65 |
18 |
40 |
48 |
|||||||||||
YCM2-400S |
200,225,250,315, 350,400 |
35 |
16 |
40 |
18 |
1000 |
4000 |
254 |
140/184 |
103.5 |
|||||
YCM2-400M |
50 |
20 |
40 |
30 |
|||||||||||
YCM2-400H |
65 |
25 |
40 |
48 |
|||||||||||
YCM2-630S |
400,500,630 |
50 |
20 |
40 |
30 |
1000 |
4000 |
268 |
210/280 |
103.5 |
|||||
YCM2-630M |
65 |
25 |
40 |
48 |
|||||||||||
YCM2-630H |
80 |
30 |
40 |
60 |
|||||||||||
YCM2-800S |
500,630,700,800 |
50 |
20 |
40 |
30 |
1000 |
4000 |
268 |
210/280 |
103.5 |
|||||
YCM2-800M |
65 |
25 |
40 |
48 |
|||||||||||
YCM2-800H |
80 |
30 |
40 |
60 |