Product Overview

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Energy Controls
Diagrams
FM1D20A & FM1D20E Series
Model Number Voltage Programs Mounting
FM1D20A-24* 24 VDC, 50/60Hz 20 Surface/DIN Rail
FM1D20A-120 120 VAC, 50/60Hz 20 Surface/DIN Rail
FM1D20A-240 240 VAC, 50/60Hz 20 Surface/DIN Rail
FM1D20E-24* 24 VDC, 50/60Hz 20 Flush
FM1D20E-120 120 VAC, 50/60Hz 20 Flush
FM1D20E-240 240 VAC, 50/60Hz 20 Flush
*24V model will operate on AC or DC
Specification
Furnish and install a Grässlin FM1D20________24-Hour/7-Day electronic time switch. This 1-circuit control shall have
24-Hour/7-Day programming and 10 ON and 10 OFF setpoint programs and include 3 preset block programs to allow
a selection of any combination of days for different weekday schedules. The LCD shall display time of day in AM/PM or
24-Hour (military time) format. A Daylight Saving Time adjustment button shall also be provided. The time switch will be
programmable to-the-minute and also offer a manual override for temporary ON or OFF to the next scheduled event. The
LCD will provide load status indication. The SPDT relay output will be rated for 16A Resistive @ 277 VAC. Reserve
carryover of 7 years (non-replaceable, non-rechargeable battery). The time switch shall be_________________ (Surface)
(DIN Rail)(Flush Mountable).
M
LOAD
POWER
TIMER INTERNAL WIRING
COM NO NC
TIME
SWITCH
FIELD WIRING
1 2 3 4 5
2.60"
[66 mm]
2.06"
[52 mm]
1.56"
[39.5 mm]
1.50"
[38 mm]
With clear
dust-cover
2.83"
[72 mm]
4.00"
[102.5 mm]
FM1D20A
2.83"
2.83"
[72 mm]
[72 mm]
FM1D20E