The XW4M/N offers superior performance for customers where it matters most; reliable wiring, short wiring time, and low insertion force. This chart here shows how Omron’s XW4M/N connectors perform against some other traditional terminal block styles. Mainly the screw type terminal block and the conventional push in connectors. Shown here these connectors have the highest performance in wiring reliability, the shortest length of wiring time and the lowest insertion force.