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Yueqing Ann Electric Co.,Ltd
Tel: +86 577 61787199
Fax: +86 577 61787199
Add: Number 97,Zhen Bei West
Road,Qiligang Town,
YueQing,Zhengjiang,China
E-mail: ann@annelectric.com
Website: www.annelectric.com
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Application
S series moulded case circuit breaker, it is suitable for the circuit of AC 50Hz(or 60Hz), rated insulation Voltage 660V, rated operating Voltage under AC 660V, 250V(DC), rated operating current 10-800A. It is for distribute energy of electricity and infrequent switchover in normal conditions. The MCCB rated current under 400A they are provided with the function of the protection against overload and short circuit and undervoltage. The MCCB complies with standard of IEC947-2.
Tripping Characteristics Of MCCB
Rated Current of release(A)
Thermodynamic Release(ambient temp+40℃)
Operational Current of Magnetic Release(A)
1.05In(cold state)
inoperative time(h)1.30In(heat state)
inoperative time(h)In≤63
≥1
＜1
10-50In±20%
63＜In≤100
≥2
＜2
10In±20%
100＜In≤630
≥2
＜2
5-10In±20%
Rated Current of release(A)
Thermodynamic Release (ambient temp+40℃)
Operational Curent of Magnetic Release(A
1.0In(cold state)
inoperative time(h)1.20In(cold state)
inoperative time(h)1.50In(cold state)
inoperative time(h)1.01In(cold state)
inoperative time(h)12.5 < In≤400
≥2
< 2
< 4min
2S < Tp≤10S
12In±20%
Main Technical specifications
Type
Rated Curret
(A)Pole
Rated
Insulating
Volage(V)Rated
Operating
Volage(V)Arcing Over
Distance
(mm)Ultimate Short Circuit
Breaking Capacity (KA)Series Short Circuit
Breaking CapacityOperation
performance
(Endurance)Overall
dimensionsAC380V
(400)AC660V
(690)DC250
AC380V
(400)AC660V
(690)Load
Unload
L
W
3P/4PH
S-125E
12.5,16,
20, 25,32,
40,50, 63,
80,100,2,3,4
660
380
6600
15
-
-
7.5
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3000
7000
120
76/101
70
S-125S
25
-
20
16
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S-160S
6,20,32,
40,50, 63,
80,100,
125, 16035
8
20
18
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4000
6000
120
90/120
70
S-160H
50
10
40
25
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S-250S
100,125,
160, 180,
200,225,
25035
10
40
18
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2000
6000
120
105/140
103.5
S-250M
50
16
40
30
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S-250H
65
18
40
48
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S-400S
200,225,
250, 315,
350,40035
16
40
18
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3000
7000
120
140/184
103.5
S-400M
50
20
40
30
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S-400H
65
25
40
48
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S-630S
400,500,
63050
20
40
30
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3000
7000
120
210/280
103.5
S-630M
65
25
40
48
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S-630H
80
30
40
60