125A~200A Pull out single-phase circuit breaker

Basic parameters, working principle and purpose:The DDB-AB125-AB200 pull-out free tripping single-phase circuit breaker products work on the principle of bimetallic electric thermal tripping. The circ

Basic parameters, working principle and purpose:

The DDB-AB125-AB200 pull-out free tripping single-phase circuit breaker products work on the principle of bimetallic electric thermal tripping. The circuit breaker is used for overload or short circuit protection in aircraft AC/DC distribution systems.

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Environmental adaptability:

  • Surrounding medium temperature: (-55~70) ℃

  • Sinusoidal vibration: frequency range (10-2000) Hz

  • Acceleration: 10g

  • 58彩票Impact: 30g

Electrical performance:

  • 58彩票Extreme action current

At 25 ℃, the maximum holding current of the product is 100% of the rated current, and the minimum tripping current is 150% of the rated current

58彩票At 70 ℃, the maximum holding current of the product is 80% of the rated current, and the minimum tripping current is 145% of the rated current

-At 55 ℃, the maximum holding current of the product is 110% of the rated current, and the minimum tripping current is 180% of the rated current

  • Overload current and action time

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  • life

58彩票5000 working cycles under AC resistive load; 2500 cycles of inductive load operation

5000 working cycles under DC resistive load

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  • Breaking ability

58彩票DC 3000A; Communication 2500 A

Exterior installation dimensions:

Vicorv High-Reliability Electronic Components