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:
