Wago 222-412 (Compact splicing connector; 2-conductor terminal block; with operating levers)

Ease of use – pull the lever up, insert a conductor and push the lever back down
Available as 2-, 3- and 5-wire connectors
Easily terminate conductors from 0.14 to 4 mm²
Connect solid, stranded and fine-stranded conductors   
Time savings for installers and device manufacturers
Quickly install devices with higher levels of power consumption