Hengstler 886 Counter, 5 Digit, 25Hz, 24 V dc

Used for counting electrical impulses up to a pre-set value which is continuously displayed below the count value, enabling comparisons to be made
Isolated SPDT micro switch changes over when the counter reaches the preselected count value. Change over contact rated to 220Vac 20VA
Contacts return to original position when counter is reset to zero (manual or electrical versions available)
Pre-set value is interlocked to prevent accidental change and can be changed when counting is in progress