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C45 series MCB 1 pole 230 / 400V 4.5 Ka mini circuit breaker

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C45 series MCB 1 pole 230 / 400V 4.5 Ka mini circuit breaker

Brand Name : SEFIE

Model Number : SFM9-63

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

Poles Number : 1

Breaking capacity : 4.5KA

Rated voltage : 230/400V

Rated frequency : 50/60Hz

Type : Mini

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C45 series MCB 1 pole 230 / 400V 4.5 Ka mini circuit breaker

Construction:

1. Protection against both overload and short circuit

2. panel mounting

3. Easy mounting onto 35mm DINrail

4. Connection capacity:Rigid conductor up to 25mm2

5. High short-circuit capacity

Electrical Feature
Rated current(A)
1, 2, 3, 4, 6, 10, 16, 20, 25, 32, 40, 50, 63
Poles
1P, 2P, 3P, 4P
Rated voltage(V) Ue
230/400~240/415
Insulation voltage(V) Ui
500
Rated frequency(Hz)
50
Tripping curve
B,C,D Type
Standard
IEC60898-1
Breaking capacity(Ka)
6000
Power loss per pole
Rated current(A)
Max power loss per pole(W)
1, 2, 3, 4, 6, 10
2
16, 20, 25, 32,
3.5
40, 50, 63,
5
pollution degree
Ⅱ
Energy limiting class
3

Mechanical Features
Electrical life
4000
Mechanical life
20000
Contact position indicator
NO
Protection degree
IP20
Reference temperature for setting of thermal element
30℃
Working ambient temperature
-5~40℃
Storage temperature
-25~70℃

Installation
Terminal connection type
Cable
Mounting
On 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


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miniature circuit breakers

      

mcb circuit breaker

      
China C45 series MCB 1 pole 230 / 400V 4.5 Ka mini circuit breaker wholesale

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