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CE Certification Dc Mcb Manufacturer - CJM8-63 4P 4.5kA MCB Miniature Circuit Breaker with Household Failure Protection – C&J Detail:
Construction and Feature
- Protection against both overload and short circuit
- High short-circuit capacity
- Easy mounting onto 35mm DIN rail
- Terminal electric devices shall be mounted on Din rail of TH35-7.5D type.
- High short-short capacity 4.5KA.
- Designed to protect circuit carrying big current up to 63A.
- Contact position indication.
- Used as main switch in household and similar installation.
Normal Service Condition
- Altitude above sea level less than 2000m;
- Ambient temperature -5~+40, average temperature not exceeding +35 within 24 hours;
- Relative Humidity not exceeding 50% at maximum temperature +40 higher relative humidity allowed at lower temperature. For example, relative humidity 90% allowed at +20;
- Pollution class: II (means generally only non-electricity conducting pollution is considered, and also considers temporary electricity conducting pollution occasionally caused by condensed dew);
- Perpendicular installation with allowed tolerance 5.
Technical Data
| Standard |
IEC/EN 60898-1 |
| Rated Current |
6A,10A,16A,20A,25A,32A,40A,50A,63A |
| Rated Voltage |
230/400VAC(240/415) |
| Rated Frequency |
50/60Hz |
| Number of Pole |
1P,2P,3P,4P(1P+N,3P+N) |
| Module size |
18mm |
| Curve type |
B,C,D Type |
| Breakering capacity |
4500A |
| Optimumoperating temperature |
-5ºC to 40ºC |
| Terminal Tightening torque |
5N-m |
| Terminal Capacity(top) |
25mm² |
| Terminal Capacity(bottom) |
25mm² |
| Electro-mechanical endurance |
4000cycles |
| Mounting |
35mm DinRail |
| Suitable Busbar |
PIN Busbar |
| Test |
Tripping Type |
Test Current |
Initial State |
Tripping timeor Non-tripping Time Provisior |
| a |
Time-delay |
1.13In |
Cold |
t≤1h(In≤63A) |
No Tripping |
| t≤2h(ln>63A) |
| b |
Time-delay |
1.45In |
After test a |
t<1h(In≤63A) |
Tripping |
| t<2h(In>63A) |
| c |
Time-delay |
2.55In |
Cold |
10s<t<60s(In≤63A) |
Tripping |
| 20s<t<120s(In>63A) |
| d |
B curve |
3In |
Cold |
t≤0.1s |
No Tripping |
| C curve |
5In |
Cold |
t≤0.1s |
No Tripping |
| D curve |
10In |
Cold |
t≤0.1s |
No Tripping |
| e |
B curve |
5In |
Cold |
t≤0.1s |
Tripping |
| C curve |
10In |
Cold |
t≤0.1s |
Tripping |
| D curve |
20In |
Cold |
t≤0.1s |
Tripping |

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The pretty loaded projects management experiences and one to a person support model make the high importance of business enterprise communication and our easy understanding of your expectations for CE Certification Dc Mcb Manufacturer - CJM8-63 4P 4.5kA MCB Miniature Circuit Breaker with Household Failure Protection – C&J , The product will supply to all over the world, such as: Singapore, Berlin, Finland, During in 11 years, We have participated in more than 20 exhibitions, obtains the highpraise from each customer. Our company has been devoting that customer first and committed to helping customers expand their business, so that they become the Big Boss !
The manufacturer gave us a big discount under the premise of ensuring the quality of products, thank you very much, we will select this company again.
By Phoenix from San Francisco - 2018.04.25 16:46
Customer service staff and sales man are very patience and they all good at English, product's arrival is also very timely, a good supplier.
By Ina from El Salvador - 2018.05.22 12:13