DAB7 L7 Mini circuit breaker
|Product Model||Pole||Trip type||Rated current|
|1：1A 10：10A 32：32A
2：2A 16：16A 40：40A
3：3A 20：20A 50：50A
4：4A 25：25A 63：63A
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.
■ 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
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.
Rated short - circuit capacity
|Rated current||Pole||Rated voltage（V）||Rated short - circuit current（kA）|
Mechanical And Electrical Life
|Category||Time||Operating frequency（time/h）||Rated current（A）|
Over-current protection characteristics under the environment temperature of 30 ℃ ~ 35 ℃
|No.||Rated current (A)||Initial state||Test current||Set time||Prosrective result||Remark|
|2||6~63||Then after the
|1.45In||t≤1h||Tripping||The current rise steadily
to a fixed value within 5S
|4||6~63||Cold||5In||t≤0.1s||Non tripping||Type C|
|10In||t≤0.1s||Non tripping||Type D|
|Trip type||Rated current A||Rated short - circuit
breaking capacity A