Explosion proof plug connector, which connects or disconnects the battery power supply device to the electrical equipment of the electric locomotive or the battery power supply device to the charging equipment under no-load conditions.

Function of explosion-proof plug connector

(1) Connect or disconnect the battery power supply device from the electrical equipment of the electric locomotive or between the battery power supply device and the charging equipment when there is no load. (2) The plug-in connector is equipped with a fuse to provide overload and short circuit protection for the motor owner's circuit. (3) When the battery is charged, it is used to connect the battery with the charging power source.

Technical performance and requirements of explosion-proof plug connectors

1. Electrical performance: rated voltage 220V (DC); Rated current 220A (DC); Contact resistance not exceeding 5M; The fuse should be fused within 1 hour at 1.25 times the rated current; 2. Working temperature: -20 ℃+40 ℃; 3. Working altitude: not exceeding 1200M above sea level; 4. Mechanical performance: 20000 insertions and removals; 5. The monthly average maximum relative humidity shall not exceed 95%; 6. The product is used in coal mines containing biogas that comply with the Coal Safety Regulations.