| 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 |