It is a GX-12 3-Pin Metal Aviation Plug Male and Female Panel Connector. The connector is mostly used to transmit signals or power. This type of connector is used in places where a watertight connection is required, and also in harsh environments. Professional GX12-3 Pin air plug socket.Made of solid material, more durable. One set includes one male and one female Connector.
The connector is ideal for panel mounting and has got separate male and female pins. The cable can be soldered directly on them