YCM8C Molded Case Circuit Breaker
YCM8C Molded Case Circuit Breaker
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YCM8C Molded Case Circuit Breaker
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  • YCM8C Molded Case Circuit Breaker
  • YCM8C Molded Case Circuit Breaker
  • YCM8C Molded Case Circuit Breaker
  • YCM8C Molded Case Circuit Breaker
  • YCM8C Molded Case Circuit Breaker
  • YCM8C Molded Case Circuit Breaker
  • YCM8C Molded Case Circuit Breaker
  • YCM8C Molded Case Circuit Breaker
  • YCM8C Molded Case Circuit Breaker
  • YCM8C Molded Case Circuit Breaker
  • YCM8C Molded Case Circuit Breaker
  • YCM8C Molded Case Circuit Breaker
  • YCM8C Molded Case Circuit Breaker
  • YCM8C Molded Case Circuit Breaker
  • YCM8C Molded Case Circuit Breaker
  • YCM8C Molded Case Circuit Breaker
  • YCM8C Molded Case Circuit Breaker
  • YCM8C Molded Case Circuit Breaker
  • YCM8C Molded Case Circuit Breaker
  • YCM8C Molded Case Circuit Breaker
  • YCM8C Molded Case Circuit Breaker
  • YCM8C Molded Case Circuit Breaker
  • YCM8C Molded Case Circuit Breaker
  • YCM8C Molded Case Circuit Breaker
  • YCM8C Molded Case Circuit Breaker
  • YCM8C Molded Case Circuit Breaker
  • YCM8C Molded Case Circuit Breaker
  • YCM8C Molded Case Circuit Breaker
  • YCM8C Molded Case Circuit Breaker
  • YCM8C Molded Case Circuit Breaker

YCM8C Molded Case Circuit Breaker

General

YCM8C series external circuit breakers are suitable for distribution networks with AC 50Hz or 60Hz, rated insulation voltage of 1000V, rated voltage of 400V and below, and rated current of 1000A. Under normal circumstances, the circuit breaker can be used for the infrequent on-off control of the line and the infrequent start of the

motor respectively.
Standard:IEC60947-2;IEC60947-1;

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Product Details

General

YCM8C series external circuit breakers are suitable for distribution networks with AC 50Hz or 60Hz, rated insulation voltage of 1000V, rated voltage of 400V and below, and rated current of 1000A. Under normal circumstances, the circuit breaker can be used for the infrequent on-off control of the line and the infrequent start of the motor respectively.

Standard:IEC60947-2;IEC60947-1;

 

Operating Conditions

1. Extreme temperature range for storage and transportation: -10°C to 85°C;

2. Operating range: -10°C to 75°C;

3. Reference temperature: 55°C;

4. Atmospheric conditions: The maximum temperature is 75 ℃ and the maximum relative humidity is 95%;

5. External  magnetic  fields  at  the  installation  site  must  not  exceed  5  times  the strength of the earth's magnetic field, and the product should be kept away from strong  electromagnetic  interference  (such  as  high-power  motors  or  inverters). There should be no explosive or corrosive gases, no exposure to rain or snow, and the environment should be dry and well-ventilated;

6. Pollution level: level 3; installation category: category III.

Technical data

 

Frame current Inm(A)

250S

400S

630S

800S

1000S

Working voltage Ue(V)

400

Rated insulation voltage Ui(V)

AC1000

Rated impulse withstand voltage Uimp(KV)

8

Number of poles (P)

3

Rated current In(A)

100,125,140,160,

180,200,225,250

250,315,350,400

400,500,630

630,700,800

800,1000

Ultimate breaking capacity Icu (KA)

AC240V

35

50

50

65

65

AC415V

25

35

35

40

40

Operating breaking capacity Ics (KA)

AC240V

35

50

50

65

65

AC415V

25

25

25

40

40

Electrical life (times)

1000

1000

1000

500

500

Mechanical life (times)

7000

4000

4000

2500

2500

Operating voltage

AC230V(85%~110%)

Wiring

Up in and down out,down in and up out

Protection degree

IP30

Isolation function

Yes

Tripping type

Thermomagnetic

Accessories

Shunt,alarm,auxiliary

Certificate

CE

Product feature configuration

The operation interface of the electric operating mechanism is shown in Figure 1

1. Circuit breaker status indication window

2. Mechanism lock

3. Tripping button

4. Power and control wiring ports

5. Manual and automatic switching of cover plates

 

Electrical control schematic

Overall and mounting dimensions

Specifications

250/3P

400/3P

630/3P

800/3P

1000/3P

L

165

257

275.5

275.5

275.5

W

105

140

210

210

210

A

35

43.5

70

70

70

B

144

230

243.5

243.5

243.5

C

24

31

45

45

45

D

21

29

30

30

30

E

22.5

30

24

26

28

F

118

160

175

175

175

a

126

194

243

243

243

b

35

44

70

70

70

Φd

4×Φ4.5

4×Φ7

4×Φ8

4×Φ8

4×Φ8

Dimensions with protective cover

Size

250/3P

400/3P

630/3P

800/3P

1000/3P

A

208

278

418

418

418

B

105

140

238

238

238

C

67.5

103

103

103

103

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