The XN1E-BV422MR is a four-pole single-throw(4PST) 2NO/double-pole single-throw (DPST) 2NC Emergency-stop Switch with mushroom head, push lock-turn reset/push-pull operator and plastic bezel. This XN series non-illuminated switch features gold-plated silver contacts, M3.0 screw terminals, safety-lock mechanism (IEC60947-5-5, 6.2) and direct opening action mechanism (IEC60947-5-5, 5.2, IEC60947-5-1, Annex K). The push-on LED model allows E-stop to be illuminated only when latched. It accepts maximum 16AWG wire.