A circular connector is a cylindrical, multi-pin electrical connector that contains contacts that power electrical devices, transmit data, or transmit electrical signals. A circular connector is designed to withstand harsh environments and reliably deliver data. It is designed with a circular interface and housing to quickly and easily connect and disconnect signal, power, and optical circuits without the use of coupling tools such as torque wrenches. The contacts are typically surrounded by a composite or metal shell and are embedded in insulating material to maintain their alignment. The contacts are usually paired with a cable, making them especially resistant to accidental decoupling or environmental interference. TE’s circular connectors offer rugged solutions that have been engineered for reliable performance in a wide variety of harsh environmental applications, including aerospace, broadcast, defense and security, electronics, energy, industrial, instrumentation, medical, and transportation.