FM/1 Series
Time Switches
TECHNICAL DATA
Supply Voltage: 24, 120 and 240VAC, 60Hz models
Quartz: 24V AC/DC, 120 and
240VAC 50/60 Hz
Switch Type: SPDT
Switch Rating: 21A/250VAC resistive
1350 watt tungsten
1HP @ 125VAC
2HP @ 240VAC
Power
Consumption:
24V: 0.1VA; 120V: 0.5VA; 240V: 1.0VA
Ambient
Temp. Range: –40°F to 180°F, synchronous units
–20°F to 140°F, quartz units
Terminals: 1/4” spade terminals
Reserve Carryover:
7 days for quartz units
Weight: Approximately 3 oz.
NOTE: 24V quartz unit will operate on 6VDC, 12VDC,
or 24VDC
APPLICATIONS
The FM/1 series of time switches are designed for control of
heating, ventilating, air conditioning, refrigeration, lighting,
security, circulating pumps, spas or any electrical load requir-
ing 24-hour or 7-day scheduling.
WIRING
Verify input voltage stated on back of unit. Use 1/4” quick con-
nects and make connections in accordance with the wiring
diagram shown and applicable code requirements. When
using 24V units, it is important to use transformers that will
supply the required 24 volts AC to terminals 1 & 2.
MOUNTING
The standard FM/1 units can be flush mounted (mounting kit
with screws available) or surface mounted inside a panel. A
printed circuit board mounting base is also available. An
indoor or outdoor enclosure is available for stand-alone
mounting. In addition, unit is also available in DIN housing for
flush or surface mounting (see MIL72, Digi 20 or Digi 42 data
sheets). Optional clear plastic dust cover is available.
Terminal Connections
Contacts shown in “Off” position (trippers pushed inward)
“On” position (trippers pushed outward) will close contacts 3 & 4
http://waterheatertimer.org/Intermatic-trippers-and-parts.html
http://waterheatertimer.org/Intermatic-timers-and-manuals.html#PB
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