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D Curve Mcb Mini Circuit Breaker 4.5Ka Red Copper High Short Circuit Breaker

D Curve Mcb Mini Circuit Breaker 4.5Ka Red Copper High Short Circuit Breaker

Brand Name:SEFIE
Certification:CE, ROHS, CB
Model Number:SFM3-63
Minimum Order Quantity:2000-3000
Delivery Time:14 days after receipt of deposit
Place of Origin:Wenzhou,China
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Location: Wenzhou Zhejiang China
Address: Xiangyang Industrial Zone,Liushi,Wenzhou,china
Supplier`s last login times: within 45 hours
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Product Details

4.5Ka Red Copper MCB B / C / D curve Mini Circuit Breaker


1. High short-circuit capacity

2. Tipping curve:B,C,D

3. Pole No.:1,1p+n,2,3,3p+n,4

4. Rated current(A):1,2,3,4,6,10,13,16,20,25,32,40,50,63

5. On symmetrical DIN rail 35.5mm


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

China D Curve  Mcb  Mini Circuit Breaker 4.5Ka Red Copper High Short Circuit Breaker supplier

D Curve Mcb Mini Circuit Breaker 4.5Ka Red Copper High Short Circuit Breaker

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