Calibrating Allen-Bradley 810 oil-filled motor overload relay

Allen-Bradley 810 Operating Time Adjustment: Un-less ordered with a specified time delay setting, the relays are set for minimum time delay when shipped. To increase the time delay, remove the piston from the dashpot and decrease the opening of the adjustment valve by rotating its cover counterclockwise.

Full manual is attached, this info comes from page 3.
Allen Bradley 810 Manual 1983.pdf (706.2 KB)

1 Like