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Electric Mini Circuit Breaker 50 / 60Hz Micro Circuit Breaker 20000 Times

Categories Mini Circuit Breaker
Brand Name: SEFIE
Model Number: SFM4-63
Certification: CE, ROHS, CB
Place of Origin: Wenzhou,China
MOQ: 2000-3000
Price: Negotiable
Supply Ability: 200000 pcs per month
Delivery Time: 14 days after receipt of deposit
Packaging Details: 240 pcs per carton, 12 pcs per box
Material: Bakelite or Plastic
Rated voltage: 230/240V
Rated current: 6-63A
Mechanical Life: 20000 Times
Tripping curve: B,C,D
Breaking capacity: 6KA
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Electric Mini Circuit Breaker 50 / 60Hz Micro Circuit Breaker 20000 Times

Electric Mini Type MCB 50 / 60Hz Mini Circuit Breaker


SFM4-63 series mini Circuit Breaker mini circuit breaker is mainly suitable for overload and short circuit protection. It is especially used for illumination and distribution in industry and commerce, etc. it has pleasing outlook & high breaking capacity, reliable performance, high inflammable resistance and shock resistance for long service life. It is within the circuit of AC 50/60Hz, rated voltage of single pole up to 240V, two, three or four poles up to 415V.

1. Easy mounting onto 35mm DIN rail

2. High short-circuit capacity

3. Protection against both overload and short circuit


Electrical Feature
1, 2, 3, 4, 6, 10, 16, 20, 25, 32, 40, 50, 63
Poles1P, 2P, 3P, 4P
Rate voltage(V) Ue230/400~240/415
Insulation voltage(V) Ui500
Rated frequency(Hz)50
Tripping curveB,C,D Type
StandardIEC60898-1
Breaking capacity(Ka)10
Power loss per pole
Rated current(A)Max power loss per pole(W)
1, 2, 3, 4, 6, 102
16, 20, 25, 32,3.5
40, 50, 63,5
Pollution degree
Energy limiting class3

Mechanical Features
Electrical life4000
Mechanical life20000
Contact position indicatorNO
Protection degreeIP20
Reference temperature for setting of thermal element30℃
Working ambient temperature-5~40℃
Storage temperature-25~70℃

Installation
Terminal connection typeCable
MountingOn DIN rail IEC60715(35mm) by means of fast clip device

Temperature derating

The maximum permissible crrent in a circuit breaker depends on the ambient temperature where the circuit breaker is placed. Ambient termperature is the temperature in side the enclosure or switchboard in which the circuit breakers are installed.
The reference temperature is 30℃

Rated current(A)
-35℃
-30℃
-20℃
-10℃
0℃
10℃
1
1.3
1.26
1.23
1.19
1.15
1.11
2
2.6
2.52
2.46
2.38
2.28
2.2
3
3.9
3.78
3.69
3.57
3.42
3.3
4
5.2
5.04
4.92
4.76
4.56
4.4
6
7.8
7.56
7.38
7.14
6.86
6.6
10
13.2
12.7
12.5
12
11.5
11.1
16
21.12
20.48
20
19.2
18.4
17.76
20
26.4
25.6
25
24
23
22.2
25
33
32
31.25
30
28.75
27.75
32
42.56
41.28
40
38.72
37.12
35.52
40
53.2
51.2
50
48
46.4
44.8
50
67
65.5
63
60.5
58
56
63
83.79
81.9
80
76.86
73.71
70.56

Rated current(A)
20℃
30℃
40℃
50℃
60℃
70℃
1
1.05
1
0.96
0.93
0.88
0.83
2
2.08
2
1.92
1.86
1.76
1.66
3
3.12
3
2.88
2.79
2.64
2.49
4
4.16
4
3.84
3.76
3.52
3.32
6
6.24
6
5.76
5.64
5.28
4.98
10
10.6
10
9.6
9.3
8.9
8.4
16
16.96
16
15.36
14.88
14.24
13.44
20
21.2
20
19.2
18.6
17.8
16.8
25
26.5
25
24
23.25
22.25
21
32
33.92
32
30.72
29.76
28.16
26.88
40
42.4
40
38.4
37.2
35.6
33.6
50
53
50
48
46.5
44
41.5
63
66.78
63
60.48
58.9
55.44
52.29
Quality Electric Mini Circuit Breaker 50 / 60Hz Micro Circuit Breaker 20000 Times for sale
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