Spring washer - three-phase circuit breaker - aircraft 115V/200V-400Hz

Basic parameters, working principle and purpose:The DBG-1~20 pull-out free tripping three-phase circuit breaker product works on the principle of bimetallic electric thermal tripping and has a tempera

Basic parameters, working principle and purpose:

The DBG-1~20 pull-out free tripping three-phase circuit breaker product works on the principle of bimetallic electric thermal tripping and has a temperature compensation structure, which can be used in a wide temperature range. The circuit breaker is used for overload or short circuit protection in aircraft 115V/200V.400Hz three-phase AC distribution systems.

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Environmental adaptability:

  • 58彩票Surrounding medium temperature: (-55~70) ℃

  • Sinusoidal vibration: frequency range (10~500) Hz, acceleration of 10 g

  • Acceleration of 20 g

  • Impact: 50g

Electrical performance:

  • Extreme action current

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    58彩票Note: (a) Test, the first phase of the product is connected to the specified current, and the remaining two phases are connected to the rated current; (b) The product is subjected to a specified three-phase symmetrical load during the experiment.


  • Overload current and action time

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  • life

58彩票Resistive load 5000 times: inductive load 2500 times, COS φ=0.6~0.7

  • 58彩票Breaking ability

Three phase 1200 A; Single phase 2000 A

Exterior installation dimensions:

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