CCTV DC power jacks are cylindrical connectors featuring a central metal pin, encased in PVC housing, and typically colored black or green. These connectors are designed with two screw terminals and are made with steel pins, ensuring a durable and secure connection. The round section shape allows for compatibility with a variety of power ratings and orientations, whether vertical or horizontal, on the CCTV power supply. They are commonly utilized for input/output functions on handheld devices and are mounted on a CCTV power supply, requiring a panel cut-out for connection.

The jack is affixed to the device requiring power, while the corresponding cylindrical plug, which is not provided by GCT, is usually attached to a cable assembly linked to a power source. These jacks include a normally closed contact that serves to disconnect internal batteries when the power supply is connected, thereby preventing potential battery leakage or explosion due to incorrect recharging.

DC power connectors, also referred to as barrel connectors, are rated by the manufacturer for specific currents and voltages to guarantee consistent power delivery. A standard DC power connector's jack and plug are equipped with two conductors: an exposed one and a recessed one, which minimizes the risk of accidental shorts. This design ensures that connecting a DC power connector to an incorrect port will not damage other components, as these connectors are almost exclusively used for power supply purposes.

There are various mounting options for DC power jacks in applications. Panel mount variants provide the flexibility of being placed anywhere on a product's chassis, with the compromise of needing additional wiring for electronic circuit connections. For PCB mounting, the details are not provided in the user's message.

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