The HQ4E Series 48 Percentage Timer is an accurate, economical, enclosed percentage timer designed for use in applications where a repetitive “on” time of a fixed cycle needs to be variable. The HQ4E panel mounted unit has an exposed dial. The heavy duty front dial plate has 4 mounting studs for simple and secure mounting to panels up to 1/4 inch thick. The load relays are enclosed for environmental protection. Electrical connections are made to captive screw terminals on the rear of the unit.
OPERATION
Percentage settings are made with a knob and a dial on the front of the unit. Settings may be made or changed with the timer operating. At 100 percent setting, terminals 2 and 3 are closed continuously. At zero percent setting, terminals 2 and 3 are open continuously.
Ideal for:
- Irrigation controls
- Chemical feeding
- Program temperature controls
- Electric heaters, ovens
- Motor control
- Lubrication system