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Home /PV System Protection /VF008 PV System Protection DC Circuit Breaker IEC/EN 60947-2 Standard

VF008 PV System Protection DC Circuit Breaker IEC/EN 60947-2 Standard

Brand Name

HAROK

Model Number

VF008 DC

Minimum Order Quantity

3000


Products Details

PRODUCT DETAILS

Standard

IEC/EN 60947-2, RoHS

Rated Voltage

Up To 1000V

Rated Current

Up To 63A

Ambient Temperature

-35℃ - + 70℃(Refer To 4.3)

Atmosphere Condition

≤95%

Pollution Degree

Ll

Altitude

≤2000m(if Exceed 2000m, Refer To 4.4)

Rate Current In

1A,2A,3A,4A,6A,10A,13A,16A,20A,25A,32A.40A,50A,63A

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EN 60947-2 PV System Protection

EN 60947-2 DC Circuit Breaker


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Products Description

PRODUCT DESCRIPTION

VF008 DC Circuit Breaker

 

1. General

1.1 Standard: IEC/EN 60947-2 ,RoHS;

1.2 Rated voltage up to 1000V, Rated current up to 63A;

1.3 Protection of circuits against overload currents;

1.4 Protection of circuits against short- circuit currents;

1.5 VF008 DC circuit-breakers are used in communication systems and PV DC systems.

 

2. Features

2.1 Excellent breaking capacity

2.2 Double connection function of lead wire and bus bar

2.3 Stored energy operation, fast closing, long service life

2.4 Convenient installation, disassembly

2.5 Contact on-off indication, higher security

2.6 Green environmental protection and energy saving

 

3. Operating conditions

3.1 Ambient temperature: -35℃ - + 70℃(Refer to 4.3)

3.2 The atmosphere condition: ≤95%

3.3 Pollution degree: ll

3.4 Altitude: ≤2000m(if exceed 2000m,Refer to 4.4)

 

4. Technical data

4.1 Classification

4.1.1 Rate Current In:

1A,2A,3A,4A,6A,10A,13A,16A,20A,25A,32A.40A,50A,63A

4.1.2 Number of poles: 1P, 2P, 4P

4.1.3 Tripping curves: C Type, (7-10)In

4.2 Parameters

4.2.1 Rated breaking capacity Icu

Rated current In (A)

Number of poles

Rated voltage Ue (V)

Rated breaking capacity Icu (A)

1-63

1

250

6000

2

500

6000

4

1000

6000

 

4.2.2 Electrical and mechanical life

a. Electrical life: >1500

b. Mechanical life: >20,000

4.2.3 Rated impulse withstand voltage Uimp: 4KV

4.2.4 (28-32)℃ ambient temperature over-current protection features.

Test

Test current

Initial

state

Time limit for tripping or not tripping

Expected

result

Remark

a

1.05In

Cold state

t≤1h

Not tripping


b

1.30In

Right after test number a

t<1h

Tripping

The current is rising within 5s

c

7In

Cold state

t≤0.2s

Not tripping


d

10In

Cold state

t<0.1s

Tripping


Note: The terminology”Cold state”means that the test is performed at the base calibration temperature with no load prior to the test.

 

4.3 Temperature derating

Rated current (A)

Temperature compensation coefficient under various operational temperature.

-35℃

-30℃

-20℃

 

-10℃

 

0℃

 

10℃

 

20℃

 

30℃

 

40℃

 

50℃

 

60℃

 

70℃

 

1

1.3

1.26

1.23

1.19

1.15

1.11

1.05

1

0.96

0.93

0.88

0.83

2

2.6

2.52

2.46

2.38

2.28

2.2

2.08

2

1.92

1.86

1.76

1.66

3

3.9

3.78

3.69

3.57

3.42

3.3

3.12

3

2.88

2.79

2.64

2.49

4

5.2

5.04

4.92

4.76

4.56

4.4

4.16

4

3.84

3.76

3.52

3.32

6

7.8

7.56

7.38

7.14

6.84

6.6

6.24

6

5.76

5.64

5.28

4.98

10

13.2

12.7

12.5

12

11.5

11.1

10.6

10

9.6

9.3

8.9

8.4

13

17.16

16.51

16.25

15.6

14.95

14.43

13.78

13

12.48

12.09

11.57

10.92

16

21.12

20.48

20

19.2

18.4

17.76

16.96

16

15.36

14.88

14.24

13.44

20

26.4

25.6

25

24

23

22.2

21.2

20

19.2

18.6

17.8

16.8

25

33

32

31.25

30

28.75

27.75

26.5

25

24

23.25

22.25

21

32

42.56

41.28

40

38.72

37.12

35.52

33.93

32

30.72

29.76

28.16

26.88

40

53.2

51.2

50

48

46.4

44.8

42.4

40

38.4

37.2

35.6

33.6

50

67

65.5

63

60.5

58

56

53

50

48

46.5

44

41.5

63

83.79

81.9

80.01

76.86

73.71

70.56

66.78

63

60.48

58.9

55.44

52.29

 

4.4 Altitude derating

Tripping type

Rated current In (A)

Current correction factor

For example

≤2000

2000~3000m

≥3000m

C

1, 2, 3, 4, 6, 10,

13, 16, 20, 32, 40, 50, 63

1

0.9

0.8

Rated current of 10A products rated

current derating 2500m: 0.9×10=9A

 

4.5 Curves shown in Figure 1

image.png 

4.6 Wiring: Apply to 25 mm wire connection terminals

Tightening torque 2.5N·m

Rated current In (A)

Copper wire nominal

cross sectional area(mm²)

1~6

1

10

1.5

13, 16, 20

2.5

25

4

32

6

40, 50

10

63

16

 

4.7 Each pole power consumption of the circuit breaker

Rated current In (A)

Copper wire nominal

cross sectional area(mm²)

1~6

1

10

1.5

13, 16, 20

2.5

 

4.8 DC application wiring diagram shown in Figure 2

image.png 

Wiring diagram description:

1. 〇+Positive 〇-Negative

2. L+ Load positive L- Load negative

3. Prohibit power reversed

4. Rated voltage: 1P: 250V, 2P: 500V, 4P: 1000V

5. Strictly forbidden to remove the four poles products of sealing plug wiring operation.

 

5. Overall and mounting dimensions (mm)

image.png 

 

Tags:

solar pv fuses

 Solar DC Connector

 surge protective device

 


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