Basic parameters, working principle and purpose:
The DDB-AA50-AA100 pull-out free tripping single-phase circuit breaker product operates 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.
Environmental adaptability:
Surrounding medium temperature: (-55~70) ℃
Sinusoidal vibration: frequency range (10~2000) Hz, acceleration 10g
Acceleration: 10g
Impact: 30g
Electrical performance:
Extreme action current
At 25 ℃, the maximum holding current of the product is 105% of the rated current, and the minimum tripping current is 150% of the rated current
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 125% of the rated current, and the minimum tripping current is 200% of the rated current
Overload current and action time
life
Under AC or DC resistive load conditions, connect and disconnect 5000 working cycles
Breaking ability
DC 6000 A; Exchange 3500A
Exterior installation dimensions:
