M20 screw fixing 2 pin 3 pin male female IP67 waterproof wire connectors

M20 wire connectors, also referred as in-line cable connector or waterproof plugs. That is assembly connector, mainly used for power wire. There are 2 pin and 3 pin can choose from. 2 pin is well-suited for power output 2 wires, such as the power driver output wire. And 3 pin is well-suited for power input 3 wires including ground wire , which is more safety.

About this M20 wire connector, it is screw fixing wire connection, no need solder. When installation, you only need a fine screwdriver to tighten up wires on the sockets and assembly it, that finished. So screw fixing is convenient for outdoor wire connection. Meanwhile male to female plug of wire connector is easy for plug/ unplug when needed.

The parameter of M20 wire connector, the current and voltage is the same on 2 pin and 3 pin, is 15amps and 300V. The biggest wire gauge is 1.5mm², the cable OD range is 5.5mm-10mm.

How to choose the right connector, usually according the current, voltage, wire gauge and cable OD limit the scope of the connector, then select an appropriate connector based on the actual application. Above M20 wire connector, also need to choose the seal ring, that is based on the cable OD. Generally, the cable OD is smaller than the seal ring inside diameter, that’s because the cable will be go through the seal ring.

The below is the data for reference to choose a correct seal ring.