Turck MS27-R

zero speed monitor
1-channel

Rotation speed monitoring for underspeed
Monitoring range: 25 mHz… 166 Hz ( 1, 5… 10 000 min-1)
optional start-up time delay
adjustable switch-off delay
two sealed relays with hard gold contact ( 1 x limit value, 1 x alarm)
Universal operating voltage ( 20… 250VAC/ 20… 250VDC)