Application.
ML7-63 hight switch-off ability miniature circuit breaker is applicable to a line of AC 50/60Hz, rated voltage 230/400V and rated current up to 63A, used for overload and short circuitprotection. It can also be used for infrequent line conversion under the normal condition.Thebreaker is applicable to industrial enterprise, commercially district, high-rise building and dwell-ing house. It conforms with The standards of IEC60898
Description
1. Main Technical Parameter
| Type | ML7-63 | |||||
| Pole | 1P | 2P | 3P | 4P | ||
| Weight(kg) | 0.1 | 0.2 | 0.3 | 0.4 | ||
| Rated current (A) | 1,2,3,4,6,10,16,20,25,32,40,50,63 | |||||
| Rated voltage(V) | 240 | 415 | ||||
| Type of instartaneous release | B,C,D | |||||
| Triping device | Thermal-coil magnetic | |||||
| Rated short circuit breaking capacity Icn(KA) | 10 | |||||
| Life (times) | 1-32A | Electric life | 8000 | |||
| Mechanical life | 20000 | |||||
| Operation frequency | 240 times per hour | |||||
| 40-63A | Electric life | 8000 | ||||
| Mechanical life | 20000 | |||||
| Operation frequency | 120 mes per hour | |||||
2. Applicable Conducting Wire
| Rated current(A) | Nominal cross section of wire mm2 |
| 1-6A | 1 |
| 10A | 1.5 |
| 16,20A | 2.5 |
| 25A | 4 |
| 32A | 6 |
| 40,50A | 10 |
| 63A | 16 |
3.The over-current protection property
|
Ambient temperature |
Initial status |
Test current |
Test time |
Expected result |
Note |
| 30±2oC | Cold position | 1.13In | t>=1h | Non-release | – |
|
Carried out immediately after previous test |
1.45In | t<1h | Release | – | |
| Cold position | 2.55In |
1s<t<60s (In<=32A) |
Release |
Current smoothly rises to specified value within 5s |
|
| Cold position | 2.55In |
1s<t<120s (In>32A) |
Release | ||
| -5~+40oC | Cold position | 3In | t>=0.1s | Non-release | Type B |
| Cold position | 5In | t<0.1s | Release | Type B | |
| Cold position | 5In | t>=0.1s | Non-release | Type C | |
| Cold position | 10In | t<0.1s | Release | Type C | |
| Cold position | 10In | t>=0.1s | Non-release | Type D | |
| Cold position | 20In | t<0.1s | Release | Type D |
4. Dimension
We are also one of the leading manufacturers and exporters of a wide range of SMC Pole Mounted Junction Boxes (Street Light Boxes). These are manufactured using high grade material and are provided with a protection cover to avoid shocks. These boxes are highly durable and are offered in standard specifications to our clients.
We apply a policy of continuous development of its products and reserves the right to make changes in the specifications and technical characteristics without notice, For further information please contact Morstar.
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