1.Application
SM7 series MCCB is applicable circuit of AC 50Hz, rated insulation voltage 660V, ratedoperating current 15-225A, for distribute energy of electricity and infrequent making & breakingcircuit in normal conditions. The products conforms to IEC60947-2 standard.
2.Specification
| Type |
SM7-100 |
SM7-225 |
| Poles number |
3 |
3 |
| Rated current In(A) |
15~100 |
100~225 |
| Rated operating voltage Ue(V) |
AC 600V DC 250V |
AC 660V |
| Rated insulation voltage Ui~(V) |
AC 690V |
AC 690V |
| Utilisation category |
A |
A |
| Rated ultimate short-circuit breaking capacityIcu(KA) |
AC 500V |
2 |
5 |
| AC 440V |
5 |
7.5 |
| AC 415V |
5 |
7.5 |
| AC 380V |
5 |
7.5 |
| AC 240V |
7.5 |
15 |
| Rated short-circuit servicebreaking capacityIcs(KA) |
AC 500V |
1 |
2.5 |
| AC 440V |
2.5 |
3.8 |
| AC 415V |
2.5 |
3.8 |
| AC 380V |
2.5 |
3.8 |
| AC 240V |
3.8 |
7.5 |
|
3.Outline and Installation Dimension
Audited Supplier 
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