Conrad din rail multi functional timer relay conrad cmfr 66 p the conrad cmfr 66 is a din rail multi functional timer relay with 6 time functions and 6 time ranges this versatile timer is ideal for many applications p p the timer has 6 time functions on delay interval symmetrical flasher off delay with control signal on and off delay with control signal interval with control signal on p conrad cmfr 66 time delay relay 1 co spdt co 12 240v dc ac