MHS2-12M55-2EU-0,3M. . Rotational speed-detecting hall effect sensor. Responds to customer-specific gear. Switching frequency up to 10 kHz. Self-adhesive mounting. Free of paint wetting interfering substances. Significantly reduced influence on the switching distance. Mounting on base module, pluggable. Up to SIL 3 acc. to IEC/EN 61508. Busy channel indication. Auto power off function