This listing is for 100 pcs of Wago 221-412 which is the NEW slimmer, 2 pole Lever Nut connector from Wago. WAGO's 221 Series COMPACT Splicing Connector for all wire types saves 40% more space than its predecessor (222 series). These wire connectors accommodate fine-stranded wires from 0.14 to 4 mm2 (24–12 AWG), as well as solid and stranded wires from 0.2 to 4 mm2 (24–12 AWG). This wide range allows you to quickly and easily connect different types of wires and enables bridging of wires with greatly differing cross sections. - voltages up to 450V- current up to 32A- have larger easier-to-lift levers. - require 40% less space over the Wago 222 series connectors. - not only are the new connectors smaller, they also have clear see-through housings that let installers check their work - built-in probe test holes - can be used in temperatures up to 221°F (105°C), ambient up to 140°F (60°C)- ENEC, UL, PSE/JET, CQC, & GOST-R approvals- RoHS compliant User Friendliness Takes Priority:User friendliness is enhanced by the hollowed-outgrips on the side in the enclosure, making it easierfor the user to hold on to the connector duringinstallation. Contacting is based on the provenCAGE CLAMP® technology, meaning that no toolsare required to make permanently safe and securecontacts. The clearly printed technical data on theproduct presents all important information to theinstaller at a glance and also indicates the requiredstrip length for the wires, for example. The operatinglevers also provide further potential markingsurfaces. The printed WAGO logo indicates that theitem is a genuine original manufacturer's product.