Found 4 alternatives for E2E-S04SR8-WC-C1 2M by Omron Automation and Safety. Proximity Sensors Industrial — Cylinder, Threaded - M4.
SI600 1MM M4LEMBPNOPUM8P3
SI600 1MM M4LEMBNNOPUM8P3
INDUCTIVE SEN 1MM PNP
SENSOR PROX INDUCT 0.8MM CYLIND