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.

Environmental adaptability:

• 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

  

  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
  

• life

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

• Breaking ability

Three phase 1200 A; Single phase 2000 A

Exterior installation dimensions: