2018 High quality Small circuit breaker - DAB7 L7 Mini circuit breaker – DaDa
- Contact Us
- Address: Shanghai DaDa Electric Co.,Ltd.
- Phone: 0086-15167477792
- Email: charlotte.weng@cdada.com
2018 High quality Small circuit breaker - DAB7 L7 Mini circuit breaker – DaDa Detail:
| Product Model | Pole | Trip type | Rated current |
| DAB7-63 | 1P | C | 63 |
| 1P 2P 3P 4P |
B：Type B C：Type C D：Type D |
1：1A 10：10A 32：32A 2：2A 16：16A 40：40A 3：3A 20：20A 50：50A 4：4A 25：25A 63：63A 6：6A |
Normal operating conditions and installation conditions
■ Ambient air temperature of L7 6/10KA Miniature Circuit Breaker: -5℃~40℃, and average temperature in 24h below +35℃.
■ Altitude of the installation site should not exceed 2000m.
■ Atmospheric relative humidity at ambient air temperature is + 40℃ for not more than 50%, in the low temperature can have higher relative humidity. Consider the temperature changes in product on the surface of the gel and take special measures.
■ Pollution degree: Ⅱ.
■ Installation conditions: installed in a place without significant impact, vibration, no explosion in the medium.
■ Installation: mounted on the TH35-7.5 rail.
■ Installation category: Ⅱ, Ⅲ.
Product Categories
■ According to the poles, L7 is divided into: single pole, two poles, three poles, four poles and other types;
■ According to the instantaneous tripping current form: C type, D type (B type can be customized when required);
■ According to the rated current: 1A, 2A, 3A, 6A, 10A, 16A, 20A, 25A, 32A, 40A, 50A, 60A, 63A;
■ According to the rated voltage: 110V, 230V (220V), 400V (380V) (230V for single pole, 400V for two poles, three poles and four poles);
Description of trip type of DAB7-63 Miniature Circuit Breaker (6/10KA MCB)
Type B: Suitable to provide line protection for resistive load and low sense power distribution system, and line protection of more electronic circuit, commonly used in electric vehicle protection.
Type C: Suitable to provide line protection for inductive load and high sense lighting system, generally referred to as distribution protection.
Type D: Suitable to provide line protection for high inductive load and distribution system with a larger impact current, generally referred to as power protection.
Introduction of poles
The number of poles:
A. Single-pole circuit breakers;
B. Two-pole circuit-breakers with two protective poles;
C. Three-pole circuit-breakers with three protective poles;
D. Four-pole circuit-breakers with four protective poles.
Technical parameters
Rated short – circuit capacity
| Rated current | Pole | Rated voltage（V） | Rated short – circuit current（kA） |
| 1~63A | 1P | 230/400 | 6/10kA mcb |
| 1~63A | 2P、3P、4P | 400 | 6/10kA mcb |
Mechanical And Electrical Life
| Category | Time | Operating frequency（time/h） | Rated current（A） |
| Electrical Life | 4000 | 240 | 6~32 |
| 120 | 40~63 | ||
| Mechanical Life | 10000 | 240 | 6~63 |
Over-current protection characteristics under the environment temperature of 30 ℃ ~ 35 ℃
| No. | Rated current (A) | Initial state | Test current | Set time | Prosrective result | Remark |
| 1 | 6~63 | Cold | 1.13In | t≤1h | Non tripping | |
| 2 | 6~63 | Then after the last test |
1.45In | t≤1h | Tripping | The current rise steadily to a fixed value within 5S |
| 3 | In≤32 | Cold | 2.55In | 1s＜t＜60s | Tripping | |
| In＞32 | Cold | 2.55In | 1s＜t＜120s | Tripping | ||
| 4 | 6~63 | Cold | 5In | t≤0.1s | Non tripping | Type C |
| 10In | t＜0.1s | Tripping | ||||
| 10In | t≤0.1s | Non tripping | Type D | |||
| 20In | t＜0.1s | Tripping |
| Trip type | Rated current A | Rated short – circuit breaking capacity A |
COSΦ |
| C、D | 6≤In≤63 | 6/10KA mcb | 0.45~0.50 |
Product detail pictures:
Related Product Guide:
Our enterprise since its inception, constantly regards product good quality as organization life, constantly improve production technology, strengthen merchandise high quality and continuously strengthen enterprise total good quality administration, in strict accordance with all the national standard ISO 9001:2000 for 2018 High quality Small circuit breaker - DAB7 L7 Mini circuit breaker – DaDa , The product will supply to all over the world, such as: Cape Town, Florida, Kuwait, Our market share of our products has greatly increased yearly. If you are interested in any of our products or would like to discuss a custom order, please feel free to contact us. We are looking forward to forming successful business relationships with new clients around the world in the near future. We are looking forward to your inquiry and order.
By Julia from Madagascar - 2017.11.29 11:09
It is a very good, very rare business partners, looking forward to the next more perfect cooperation!
By Prima from London - 2018.09.21 11:44
