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1. Application |
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SM9 series MCCB is suitable for industrial or commercial power and lighting with AC50/ 60Hz, rated working voltage up to AC600V/DC250V, rated current up to 630A. It’s a kind of economical breaker with the characters of stable and reliable function, beautiful appearance, small size and long life. It can be used for conversion of line and infrequent starting motor. It can also be attached to install the accessories which have protection function for avoiding loss-voltage, undervoltage. The product can install connection line with front board and back board, it also can equip hand-operating apparatus or motor-operating apparatus to control in a remote distance.
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2. Specifications
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The rated insulation voltage for this series of circuit breaker is 690V, the rated operating voltage is 600V, the rated frequency is 50Hz, the other rated values for the main circuit. |
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| Type |
2pole |
SM9-32E |
SM9-52E |
SM9-52S |
SM9-62E |
SM9-62S |
| 3pole |
SM9-33S |
SM9-53E |
SM9-53S |
SM9-63E |
SM9-63S |
| Frame size(AF) |
30 |
50 |
60 |
| Rated current(A) |
5,10,15,20,30 |
5,10,15,20,30,40,50 |
60 |
| Rated operational voltage(V)Ue (50/60Hz) |
600 |
600 |
600 |
600 |
600 |
| Rated insulation voltage(V)Ui(50/60Hz) |
690 |
690 |
690 |
900 |
900 |
| Rated impulse withstand voltage(KV)Uimp |
6 |
6 |
6 |
6 |
6 |
| Uitimate breaking capacity (KA,Icu AC 50/60Hz) |
220V/240V |
10 |
10 |
25 |
10 |
25 |
| 380V |
7.5/5 |
7.5/5 |
14/10 |
7.5/5 |
14/10 |
| 415V |
7.5/5 |
7.5/5 |
14/10 |
7.5/5 |
14/10 |
| 440/460V |
5 |
5 |
10 |
5 |
10 |
| 480/500V |
2.5 |
2.5 |
7.5 |
2.5 |
7.5 |
| 600V |
2.5 |
2.5 |
5 |
2.5 |
5 |
| Utilisation category |
A |
A |
A |
A |
A |
| Endurance |
Mechanical |
8500 |
8500 |
8500 |
8500 |
8500 |
| Electrical |
1500 |
1500 |
1500 |
1500 |
1500 |
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| Type |
2pole |
SM9-102E |
SM9-102S |
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| 3pole |
SM9-103E |
SM9-103S |
SM9-203E |
SM9-203S |
SM9-403E |
SM9-403S |
| Frame size(AF) |
100 |
225 |
400 |
| Rated current(A) |
5,10,15,20,30,40,50,60,75,100 |
15,20,30,40,50,60,75,100 |
100,125,150,175,200,225 |
250,300,350,400 |
| Rated operational voltage(V)Ue (50/60Hz) |
600 |
600 |
600 |
600 |
600 |
600 |
| Rated insulation voltage(V)Ui(50/60Hz) |
690 |
690 |
690 |
690 |
690 |
690 |
| Rated impulse withstand voltage(KV)Uimp |
6 |
6 |
6 |
6 |
6 |
6 |
| Uitimate breaking capacity (KA,Icu AC 50/60Hz) |
220V/240V |
10 |
50 |
35 |
50 |
35 |
50 |
| 380V |
7.5/5 |
25 |
18 |
25 |
30 |
42 |
| 415V |
7.5/5 |
25 |
18 |
25 |
25 |
35 |
| 440/460V |
5 |
25 |
18 |
25 |
25 |
35 |
| 480/500V |
2.5 |
25 |
10 |
14 |
18 |
25 |
| 600V |
2.5 |
14 |
7.5 |
10 |
18 |
22 |
| Utilisation category |
A |
A |
A |
A |
A |
A |
| Endurance |
Mechanical |
8500 |
8500 |
7000 |
7000 |
4000 |
400 |
| Electrical |
1500 |
1500 |
1000 |
1000 |
1000 |
1000 |
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