Wago 221-412 (Splicing connector with levers for all conductor types)

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