Wago 221-Series Lever-Nuts are available in two-, three- and five-wire connectors, inline versions and carriers for panel or DIN-rail mounting. They support a wide range of wire sizes, from 24-10 AWG for solid, stranded and flexible conductors. UL-rated for 600 V and up to 30 A, these connectors handle high-demand applications. Their transparent housing allows visual inspection of strip length and wire insertion, while the levers ensure comfortable operation with minimal force. Maximum operating temperature is 105 °C.