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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

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