Factory wholesale 15a Circuit Breaker - DAB7 L7 Mini circuit breaker – DaDa
- Contact Us
- Address: Shanghai DaDa Electric Co.,Ltd.
- Phone: 0086-15167477792
- Email: charlotte.weng@cdada.com
Factory wholesale 15a 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:
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