Standard: TB/T2761 Connection method: bayonet connection Installation method: flange bolt fixed Hole arrangement: 2+4;2+10;4+2 Rated current: 300A; 550A； 450A Withstand voltage: 3500V; 7000V； 4000V Advantages: The electrical connector is a library charging series connector, using bayonet connection, and the contact body adopts a crimp structure. The product has the function of energization control protection, realizing the power of multiple main contacts of overturning control, vibration resistance, shock resistance, and convenient installation. Uses: It is suitable for the circuit and control circuit of various electrical charging equipment in the railway vehicle garage, and has high safety to control and protect the power transmission.