Grasslin DIGI-20A-24 - Time Switch, 24 Vac One Channel Electronic 7 Day


Please note:  This item has been replaced with the FM1D-20A-24.  This is an exact replacement.


The Grasslin DIGI-20A-24 time switch includes 7-day programming with amazing accuracy. Fewer keys, selectable blocks of weekdays or weekends, and uncomplicated steps make programming easier than ever. The automatically recharged NiCad battery maintains program and display information for a week or more, while manual override provides for eith temporary or continuous On or OFF state displayed in the large LCD screen.


The DIGI20A24 timer allows for time-based control of lighting, ventilating, heating, cooling or other electrical loads in commercial and industrial applications. Intended for either surface or rail mounting, the control is completely enclosed in a plastic housing and includes a terminal cover and sub-base for installation and hard wiring. All units are supplied with a clear plastic dust cover. They are also available with an enclosure for stand-alone applications.(GM and GMX models)

Product Specifications

Output1 SPDT relay with dry contacts
Timer Voltage24V, 50/60 Hz
MountingSurface or DIN Rail
Max Weekly On/Off Events140
Relay Output Resistive RatingSPDT, 16A, 250V
Input Draw4VA
Shortest Switching Time1 minute
AccuracyLess than ±4 minutes per year deviation
Ambient Temperature0°F to 140°F (–18°C to 60°C)
Ambient Humidity0 to 95% RH, non-condensing
LCD displaySelectable AM/PM or 24 hr. (military) time
Daylight Time ChangeoverManual One Key
Manual 3-Way OverrideTemporary or permanent ON or OFF status indication in LCD display.
Wiring ConnectionsScrew terminals for #10 to #24 AWG wire
Holiday ProgramNo
Reserve Carryover (min)1 Week