OEM ELECTROMECHANICAL TIMER MODULES
FM/1 Series
24 Hour, 7 Day
The FM/1 series modules are designed to be placed
inside a machine control panel, circuit board, or other
equipment. It offers up to 21A switching designed for
control of heating, ventilating, air conditioning, refrigeration, lighting, security, circulating pumps, spas or any
electrical load requiring 24-hour or 7-day scheduling.
UL FILE:
E83486
CSA FILE:
LR52379
FM/1 Typical Wiring:
Features
• Authentic clock face
• 21A SPDT switch
• Captive Trippers
• 1/4” quick terminals
SPECIFICATIONS:
Size: 2.36” x 2.36” x 1.25”
Supply Voltage: 24, 120, 240VAC
Power Consumption: 1VA
Switch Rating: SPDT
Resistive: 21A
Tungsten: 1350W
Inductive: 1HP @ 120VAC
2HP @ 240VAC
Wiring Connections: 1/4” quickconnects
INSTALLATION:
Stand Alone: With indoor or outdoor enclosure
Panel: Surface mounting
ORDERING DATA†
Switch
Program
Carry-Over
Program
On/Off Every
Minimum
On/Off Time
FM/1 STuZ (synchronous)
FM/1 SWuZ (synchronous)
24 hr.
7 day
No
No
15 minutes
2 hours
15 minutes
2 hours
SPDT
SPDT
21A Res.
21A Res.
FM/1 QTuZ (quartz)
FM/1 QWuZ (quartz)
24 hr.
7 day
7 day
7 day
15 minutes
2 hours
15 minutes
2 hours
SPDT
SPDT
21A Res.
21A Res.
†For 3-way override switch: Add “H”
For Enclosure Options–See Page 25
Switch Output
Type
Rating
Available with 24V, 120V, 240V, 277VAC input
Quartz also available with 12V, 30V, 60V, or 120VDC input
KM2 Series
24 Hour, 7 Day
The KM/2 series modules are designed to fit into tight locations. It offers up to 21A
switching designed for control of heating, ventilating, air conditioning, refrigeration,
lighting, security, circulating pumps, spas or any electrical load requiring 24-hour or
7- day scheduling.
Features
SPECIFICATIONS:
Size: 1.67” x 2.64” x 1.67”
Power Consumption: 1VA
Switch Rating: SPDT
Resistive:
21A @ 250V
Motor:
1HP @ 125VAC
2HP @ 250VAC
Inductive:
8A @ 250VAC
Tungsten: 1350W
Wiring Connections:
1/4” quick-connects
KM 2 STuH
• Very small and compact, fits anywhere
• On/Auto/Off manual switch standard
• Captive trippers for easy programming
• 1/4” quick terminals
UL FILE:
E83486
CSA FILE:
LR52379
KM/2 Typical
Wiring:
ORDERING DATA
OPERATING FEATURES
Switch Program
KM2 STuH
KM2 SWuH
12
Program On/Off Every
24 hr.
7 day
www.grasslin.com
20 minutes
2 hr. 20 minutes
Switch Output
Minimum On/Off Time
20 minutes
2 hr. 20 minutes
201.825.9696
Type
Rating
SPDT
SPDT
21A Res.
21A Res.
OEM ELECTRONIC TIMER MODULES
FM/1 digi 20
2.36” 60mm
2.12” 54mm
24 Hour, 7 Day
SPECIFIERS GUIDE
Furnish and install a Grasslin FM/1 digi 20-___ electronic time switch.
This one circuit control shall have 24 hour and 7 day programming
and also offer 10 ON and 10 OFF setpoints and include 4 block programs for different weekday schedules. The LCD shall display time of
day in AM/PM or military time format and provide load status indication. A daylight time adjustment key shall also be provided. The time
switch will be programmable to the minute and also offer a manual
override for ON or OFF to the next scheduled event or for permanent
ON/OFF/Automatic. The SPDT relay output will be rated for 16A @
277VAC. Carryover shall be provided for a minimum of 5 days with a
built-in rechargeable capacitor which need not be replaced.
2.44” 62mm
Features
The FM/1 digi 20 is a compact electronic 24 hour/ 7 day
time switch module with heavy duty relay contacts for
switching low or line voltage loads. Applicable for time of
day control of pumps, fans, heaters, HVAC control circuits,
lighting, machinery and many other types of commercial,
industrial, and agricultural equipment. The FM/1 digi 20
features large keys with unique “circular pattern” for easy
programming, an easy-to-read LCD display and capacitor
backup to retain program memory during power outages.
• 20 programs, up to 140 events
per week
• Easy to program with large keys
• 16 Amp @ 277V SPDT switching
• Capacitor backup with 5 day carryover
• Manual overridev
C
SPECIFICATIONS
FM/1 Digi20 & 42
Typical Wiring:
Switch Rating: SPDT
16A Resistive @ 277VAC
1000W Tungsten @ 240VAC
Input Draw: 4VA
Input Frequency: 50/60Hz
Shortest Switching Time: 1 minute
Ambient Temperature: 0°F to 140°F (–18°C to 60°C)
Ambient Humidity: 0 to 95% RH, non-condensing
Wiring Connections: 1/4” quick connects
UL and Canadian UL File E 83486
FM/1 digi 42
C.E.C. CERTIFIED
TITLE 24, PART 6
24 Hour, 7 Day
ON ALL DIGI 42 MODELS
The FM/1 digi 42 is a compact electronic 24 hour/7 day time switch module,
with heavy duty relay contacts for switching low or line voltage loads.
Applicable for time of day control of pumps, fans, heaters, HVAC control circuits, lighting, machinery and many other types of commercial, industrial, and
agricultural equipment. All digi 42 models offer holiday programming and
automatic daylight savings time changeover. All models feature large keys with
unique “circular programming” for easy programming, a large LCD display
and battery backup.
C
SPECIFICATIONS
Features
Switch Rating: SPDT
16A Resistive @ 277VAC
1000W Tungsten @ 240VAC
Input Draw: 4VA
Input Frequency: 50/60Hz
Shortest Switching Time: 1 minute
Ambient Temperature: 0°F to 140°F (–18°C to 60°C)
Ambient Humidity: 0 to 95% RH, non-condensing
Wiring Connections: 1/4” quick connects
UL and Canadian UL File E 83486
SPECIFIERS GUIDE
Furnish and install a Grasslin FM/1 digi 42-___ electronic time switch. This
one circuit control shall have 24 hour and 7 day programming and also
offer 21 ON and 21 OFF setpoints and days selectable in any combination. It shall have a “8th day” or Holiday program which can be scheduled
up to a week in advance to be effective from 1 to 99 days. The LCD shall
display time of day in AM/PM or military time format and provide load status indication. A daylight time adjustment key shall also be provided. The
time switch will be programmable to the minute and also offer a manual
override for ON or OFF to the next scheduled event or for permanent
ON/OFF/Automatic. The SPDT relay output will be rated for 16A @
277VAC. Carryover shall be provided for a minimum of 14 days with a builtin rechargeable NiCad battery which need not be replaced.
• Automatic Daylight
Savings Time Changeover
• 42 programs, up to 294
events per week
• Holiday programming
• 16 Amp @ 277V SPDT
switching
• Rechargeable batter y
backup with carryover of
over 4 weeks
ORDERING DATA
FM/1 digi 42 also available for 12VDC input, 24V models are AC/DC.
Model
Input Voltage
FM/1 digi 20–120
FM/1 digi 20–240
FM/1 digi 20–24
FM/1 digi 20–277
FM/1 digi 42–120
FM/1 digi 42–240
FM/1 digi 42–24
120V 50/60Hz
240V 50/60Hz
24V 50/60Hz
277V 50/60Hz
120V 50/60Hz
240V 50/60Hz
24V 50/60Hz
Switch
Program
24
24
24
24
24
24
24
hr./7
hr./7
hr./7
hr./7
hr./7
hr./7
hr./7
day
day
day
day
day
day
day
Programs
Max. Weekly
On/Off Events
20
20
20
20
42
42
42
140
140
140
140
294
294
294
www.grasslin.com
Holiday
Program
No
No
No
No
Yes
Yes
Yes
Reserve
Carryover
1 week
1 week
1 week
1 week
2 weeks
2 weeks
2 weeks
201.825.9696
Relay Output
SPDT
SPDT
SPDT
SPDT
SPDT
SPDT
SPDT
16A
16A
16A
16A
16A
16A
16A
13