This is a 3-pin screw terminal with 5mm pitch pins.
Rated up to 300V at 16 A per connector.
Contact Resistance: 20 Milliohms Max
The terminals can accept 14 – 24 AWG wire.
Connectors have a m2.6 zinc plated screw.
Dimensions:
Width: 15.4mm
Depth: 8mm
Height: 10mm
Pin Pitch: 5mm