...M1 M18 Pre-wired Models (2 m) PVC (oil-re- sistant) NO --- --- E2E-X5E1 2M *1 E2E-X5F1 2M *1 NC E2E-X5E2 2M E2E-X5F2 2M M12 Connector Models --- NO 1: +V, 3: 0 V, 4: Control output B E2E-X5E1...https://www.ia.omron.com/data_pdf/cat/e2e_d126-e1-01.pdf