XB2-BS542 Emergency Stop Push Button Switch by Telemechanique. As fitted to many smaller cnc milling machines, engravers,routers and lathes. 1 NC; Latching, AC 240V, 3A Button Diameter : 40mm/1.6" Mount Hole Diameter : 2.2cm / 0.87"(7/8") Overall Size(Approx.) : 39 x 29 x 73cm/ 1.5" x 1.1" x 2.9"(L*W*H) Status: NOS (New Old Stock) ex MOD NSN: 3510997323240 Note: item sold as a genuine replacement for the original Telemechanique item, The new version from Schneider-Telemechanique differs in specifications. ******** Comes as pictured, front mount (not pictured) has to be obtained as a separate part if required. ********* RoHS: tbc