The J7B rectangular electrical connector complies with the GJB176A-97 standard and is an improved version of the J7A model. It is compatible and interchangeable with products of the same specification and type within the J7A series. It is primarily used for electrical power and signal connections between electrical equipment in various aircraft, artillery, aviation, aerospace, maritime, and field communication systems.

The J7B rectangular aviation connector features a straight insertion connection, allowing for quick plug and pull, ease of use, and is equipped with a unique dual locking and anti-loosening mechanism. It boasts rainproof properties, shell shielding, plug sealing, excellent environmental resistance, lightweight design, high-reliability tube spring socket structure, low insertion force, high current carrying capacity, and a long service life.