Programmable Timers | McMaster-Carr

Program these switches to turn a device on and off at a set time and day. They have a three-prong outlet to plug devices directly into the switch. Use with lamps and other small electrical loads. All have an override to bypass the programmed on/off settings.

24-hour switches repeat the same program daily.

Seven-day switches can perform a different program each day of the week.

Switches with trippers are programmed by setting on and off times by positioning trippers around the clock dial.

Switches with astronomical timing can be set to turn lights on and off based on sunrise and sunset.

24-Hour Timing Cycle
Maximum On/Off Cycles	Minimum Set Time	Timing Adjustment Style	Tripper Type	No. of Trippers	Switching Current @ Voltage	No. of Outlets	Features	Ht.	Wd.	Dp.	Plug Type		Each
3 per Day	30 min.	Trippers	Removable	6	15 A @ 120 V AC	1	__	3 1/4"	3 1/4"	3 1/4"	Three Prong	0000000	000000
7-Day Timing Cycle
14 per Day	1 min.	Push Button	__	__	15 A @ 120 V AC	2	Astronomical Timing, Random On/Off Option	3"	3 1/2"	3 1/2"	Three Prong	0000000	00000

Outdoor Time and Day Activated Switches

24-Hour Timing Cycle

Seven-Day Timing Cycle

Designed to work with landscape lighting and filter pumps, these switches turn equipment on and off at a set time and day. They control two devices at once, and have three-prong outlets to plug devices directly into the switch. All have an override to bypass the programmed on/off settings.

24-hour switches repeat the same program daily. Position trippers around the clock dial to set on and off times.

Seven-day switches can perform a different program each day of the week. They have astronomical timing that can be set to turn lights on and off based on sunrise and sunset.

Switches with light sensor control allow one device to be controlled by the presence or absence of light.

NEMA 3R rated switches are protected against falling liquids and light splashing.

													Mounting
Maximum On/Off Cycles	Minimum Set Time	Timing Adjustment Style	Tripper Type	No. of Trippers	Switching Current @ Voltage	No. of Outlets	Features	Ht.	Wd.	Dp.	Plug Type	Cord Lg., ft.	Fasteners Included	No. of Holes	Hole Dia.	Min. Ht., ft.		Each
24-Hour Timing Cycle—NEMA 3R
12 per Day	30 min.	Trippers	Removable	4	15 A @ 120 V AC	2	Light Sensor Control	9 3/8"	5 1/2"	3 3/8"	Three Prong	2	No	4	1/4"	__	0000000	0000000
7-Day Timing Cycle
7 per Day	1 min.	Push Button	__	__	15 A @ 120 V AC	2	Astronomical Timing, Random On/Off Option	5 1/8"	5 1/4"	1 7/8"	Three Prong	2	No	2	0.31"	4.5	0000000	00000

Additional Trippers (Pkg. of 2 Pair)

0000000

Pkg.

00000

Outlet-Box-Mount Time and Day Activated Switches

24-Hour Timing Cycle

Seven-Day Timing Cycle

Switches fit single device (1 gang) outlet boxes. Program them to turn a device on and off at a set time and day. They’re often used with lamps and other small electrical loads.

24-hour switches repeat the same program daily. Position trippers around the clock dial to set on and off times.

Seven-day switches can perform a different program each day of the week. Use the astronomical timing to turn lights on and off based on sunrise and sunset; this option can be used independently or in combination with timed programming.

24-Hour Timing Cycle
No. of Circuits Controlled	Switching Current @ Voltage	Maximum On/Off Cycles	Minimum Set Time	Timing Adjustment Style	Tripper Type	Features	Industry Designation	For Outlet Box Type	Wire Connection Type	Wire Lead Lg.		Each
1	20 A @ 120 V AC	24 per Day	30 min.	Trippers	Captive	On/Off/Timer Selector	SPST	1 Device (1 Gang)	Wire Leads	6"	000000	000000
7-Day Timing Cycle
1	15 A @ 120 V AC	40 per Week	1 min.	Push Button	__	Astronomical Timing, Battery Backup, LCD Display	__	1 Device (1 Gang)	Wire Leads	6"	0000000	00000

Surface/DIN-Rail Mount Time and Day Activated Switches

Mount these switches to a flat surface or attach to DIN rail. Program them to turn a device on and off at a set time and day. Position trippers around the clock dial to set on and off times. As UL and C-UL Recognized Components that are also CSA Certified and CE Marked, these switches meet American, Canadian, and European safety standards.

24-hour switches repeat the same program daily.

Seven-day switches can perform a different program each day of the week.

											Mounting
No. of Circuits Controlled	Switching Current @ Voltage	Input Voltage	Maximum On/Off Cycles	Minimum Set Time	Timing Adjustment Style	Tripper Type	Industry Designation	Ht.	Wd.	Dp.	Fasteners Included	No. of Holes	Hole Dia.	For DIN Rail Ht., mm	Wire Connection Type	Specifications Met		Each
24-Hour Timing Cycle
1	21 A @ 250 V AC	120V AC	48 per Day	15 min.	Trippers	Captive	SPDT	4.2"	2.8"	2.2"	No	3	0.13"	35	Screw Terminals	UL Recognized Component, C-UL Recognized Component, CSA Certified, CE Marked	0000000	000000
7-Day Timing Cycle
1	21 A @ 250 V AC	120V AC	6 per Day	2 hrs.	Trippers	Captive	SPDT	4.2"	2.8"	2.2"	No	3	0.13"	35	Screw Terminals	UL Recognized Component, C-UL Recognized Component, CSA Certified, CE Marked	0000000	00000

Panel-Mount Time and Day Activated Switches

Install these switches in a panel cutout and program them to turn a device on and off at a set time and day. Position trippers around the clock dial to set on and off times. As UL and C-UL Recognized Components that are also CE Marked, these switches meet American, Canadian, and European safety standards.

24-hour switches repeat the same program daily.

Seven-day switches can perform a different program each day of the week.

											For Panel Cutout
No. of Circuits Controlled	Switching Current @ Voltage	Input Voltage	Maximum On/Off Cycles	Minimum Set Time	Timing Adjustment Style	Tripper Type	Industry Designation	Ht.	Wd.	Dp.	Ht.	Wd.	Wire Connection Type	Specifications Met		Each
24-Hour Timing Cycle
1	21 A @ 250 V AC	120V AC	48 per Day	15 min.	Trippers	Captive	SPDT	2.8"	2.8"	1.5"	2.63"	2.63"	Quick-Disconnect Terminals	UL Recognized Component, C-UL Recognized Component, CSA Certified, CE Marked	0000000	000000
7-Day Timing Cycle
1	21 A @ 250 V AC	120V AC	6 per Day	2 hrs.	Trippers	Captive	SPDT	2.8"	2.8"	1.5"	2.63"	2.63"	Quick-Disconnect Terminals	UL Recognized Component, C-UL Recognized Component, CSA Certified, CE Marked	0000000	00000

Surface/DIN-Rail Mount Set-to-the-Minute
Time and Day Activated Switches

24-Hour Timing Cycle

Seven-Day Timing Cycle

Mount these switches to a flat surface or attach to DIN rail. More precise than other time and day switches, they program on/off times for equipment down to the exact minute. All have an override to bypass the programmed on/off settings. A backup battery maintains the program during a power outage.

24-hour switches repeat the same program daily. They control two circuits and can apply a different program to each circuit.

Seven-day switches can perform a different program each day of the week.

										Mounting				For Panel Cutout
No. of Circuits Controlled	Switching Current @ Voltage	Input Voltage	Maximum On/Off Cycles	Minimum Set Time	Timing Adjustment Style	Industry Designation	Ht.	Wd.	Dp.	Fasteners Included	No. of Holes	Hole Dia.	For DIN Rail Ht., mm	Ht.	Wd.	Wire Connection Type		Each
24-Hour Timing Cycle
2	15 A @ 250 V AC	120V AC/240V AC	12 per Day	1 min.	Push Button	SPST-NO	3.8"	3.8"	2.2"	No	2	__	35	3.62"	3.62"	Screw Terminals	00000000	0000000
7-Day Timing Cycle
1	16 A @ 277 V AC	24V AC	20 per Day	1 min.	Push Button	SPDT	4.1"	2.9"	2.2"	No	3	0.13"	35	__	__	Screw Terminals	00000000	000000
1	16 A @ 277 V AC	120V AC	20 per Day	1 min.	Push Button	SPDT	4.1"	2.9"	2.2"	No	3	0.13"	35	__	__	Screw Terminals	00000000	000000
1	16 A @ 277 V AC	120V AC	50 per Day	1 min.	Push Button	SPDT	4.1"	2.9"	2.2"	No	3	0.13"	35	__	__	Screw Terminals	00000000	000000
1	16 A @ 277 V AC	240V AC	20 per Day	1 min.	Push Button	SPDT	4.1"	2.9"	2.2"	No	3	0.13"	35	__	__	Screw Terminals	00000000	000000

Panel-Mount Set-to-the-Minute
Time and Day Activated Switches

One Circuit

Two Circuits

Install these switches in a panel cutout. More precise than other time and day switches, they program on/off times for equipment down to the exact minute. The seven-day timing cycle can perform a different program each day of the week. All have an override to bypass the programmed on/off settings. A backup battery maintains the program during a power outage.

Two-circuit switches can apply a different program to each circuit.

										For Panel Cutout
No. of Circuits Controlled	Switching Current @ Voltage	Input Voltage	Maximum On/Off Cycles	Minimum Set Time	Timing Adjustment Style	Industry Designation	Ht.	Wd.	Dp.	Ht.	Wd.	Wire Connection Type		Each
7-Day Timing Cycle
1	16 A @ 277 V AC	24V AC	20 per Day	1 min.	Push Button	SPDT	2.8"	2.8"	1.5"	2.63"	2.63"	Quick-Disconnect Terminals	0000000	0000000
1	16 A @ 277 V AC	120V AC	20 per Day	1 min.	Push Button	SPDT	2.8"	2.8"	1.5"	2.63"	2.63"	Quick-Disconnect Terminals	00000000	000000
1	16 A @ 277 V AC	120V AC	50 per Day	1 min.	Push Button	SPDT	2.8"	2.8"	1.5"	2.63"	2.63"	Quick-Disconnect Terminals	00000000	000000
1	16 A @ 277 V AC	240V AC	20 per Day	1 min.	Push Button	SPDT	2.8"	2.8"	1.5"	2.63"	2.63"	Quick-Disconnect Terminals	00000000	000000
2	15 A @ 250 V AC	120V AC/240V AC	20 per Day	1 min.	Push Button	SPST-NO	2.8"	2.8"	2.2"	2.68"	2.68"	Screw Terminals	00000000	000000

Outdoor Set-to-the-Minute High-Current
Time and Day Activated Switches

Rated NEMA 3R, these rain-tight switches protect against falling liquids and light splashing. More precise than other time and day switches, they program on/off times for equipment down to the exact minute. They control equipment with high currents, such as landscape lighting, pumps, and heaters. A backup battery maintains the program during a power outage.

24-hour switches repeat the same program daily.

Seven-day switches can perform a different program each day of the week.

Seven-day/365-day switches can perform a different program each day of the week or year, and compensate for leap year and daylight savings time. Override regular programming for up to 99 holidays for any length of time. They can also be used to activate equipment such as bells and signals for just a few seconds.

Switches with astronomical timing can be set to turn lights on and off based on sunrise and sunset.

Switches with a day skipper can be programmed to skip operation for one to six days.

											Mounting
No. of Circuits Controlled	Switching Current @ Voltage	Input Voltage	Maximum On/Off Cycles	Minimum Set Time	Timing Adjustment Style	Housing Material	Industry Designation	Ht.	Wd.	Dp.	Fasteners Included	Hole Dia.	Wire Connection Type		Each
24-Hour Timing Cycle
With Battery Backup, Lockout
1	30 A @ 240 V AC	120V AC/208V AC/240V AC/277V AC	20 per Day	1 min.	Push Button	Polycarbonate Plastic	SPST	8 1/4"	5"	3"	No	0.16"	Screw Terminals	0000000	0000000
2	30 A @ 240 V AC	120V AC/208V AC/240V AC/277V AC	20 per Day	1 min.	Push Button	Polycarbonate Plastic	DPST	8 1/4"	5"	3"	No	0.16"	Screw Terminals	0000000	000000
7-Day Timing Cycle
With Battery Backup, Lockout, Day Skipper
2	40 A @ 240 V AC	120V AC/208V AC/240V AC/277V AC	20 per Day	1 min.	Push Button	Polycarbonate Plastic	DPST	8 1/4"	5"	3"	No	0.16"	Screw Terminals	0000000	000000
With Battery Backup, Lockout, Day Skipper, Astronomical Timing
1	30 A @ 240 V AC	120V AC/208V AC/240V AC/277V AC	20 per Day	1 min.	Push Button	Polycarbonate Plastic	SPDT	8 1/4"	5"	3"	No	0.16"	Screw Terminals	0000000	000000
7-Day/365-Day Timing Cycle
With Battery Backup, Lockout, Astronomical Timing
1	30 A @ 240 V AC	120V AC/208V AC/240V AC/277V AC	4,000 per Year	1 min.	Push Button	Steel	SPDT	8 5/8"	5 3/4"	3 5/8"	No	0.19"	Screw Terminals	00000000	000000
2	30 A @ 240 V AC	120V AC/208V AC/240V AC/277V AC	4,000 per Year	1 min.	Push Button	Steel	SPDT	8 5/8"	5 3/4"	3 5/8"	No	0.19"	Screw Terminals	00000000	000000

Set-to-the-Minute High-Current
Time and Day Activated Switches

For precise control of high-current equipment such as landscape lighting, pumps, and heaters, these switches schedule on/off times to the exact minute. The seven-day timing cycle can perform a different program each day of the week. All have a day skipper that can suspend operation for one to six days. A backup battery maintains the program during a power outage.

Two-circuit switches can apply a different program to each circuit.

										Mounting
No. of Circuits Controlled	Switching Current @ Voltage	Input Voltage	Maximum On/Off Cycles	Minimum Set Time	Timing Adjustment Style	Industry Designation	Ht.	Wd.	Dp.	Fasteners Included	Hole Dia.	Knockout Trade Size	Wire Connection Type	Environment	Specifications Met		Each
24 Hour Timing Cycle
With Capacitor Backup, Lockout, Day Skipper
1	30 A @ 240 V AC	120V AC/208V AC/240V AC/277V AC	48 per Day	1 min.	Push Button	SPST	7 7/8"	5 1/8"	3 7/16"	No	3/16"	1/2, 3/4	Screw Terminals	Indoor	UL Listed, CSA Certified	0000000	0000000
2	30 A @ 240 V AC	120V AC/208V AC/240V AC/277V AC	48 per Day	1 min.	Push Button	SPST, DPST	7 7/8"	5 1/8"	3 7/16"	No	3/16"	1/2, 3/4	Screw Terminals	Indoor	UL Listed, CSA Certified	0000000	000000
7-Day Timing Cycle
With Capacitor Backup, Lockout, Day Skipper
1	30 A @ 240 V AC	120V AC/208V AC/240V AC/277V AC	48 per Day	1 min.	Push Button	SPST	7 7/8"	5 1/8"	3 7/16"	No	3/16"	1/2, 3/4	Screw Terminals	Indoor	UL Listed, CSA Certified	0000000	000000
With Battery Backup, Lockout, Day Skipper
2	30 A @ 240 V AC	120V AC/208V AC/240V AC/277V AC	28 per Day	1 min.	Push Button	SPST, DPST	7 3/4"	5"	3"	No	0.16"	1/2, 3/4	Screw Terminals	Indoor	UL Listed, CSA Certified	0000000	000000

Outdoor High-Current Time and Day Activated Switches

Rated NEMA 3R, these rain-tight switches protect against falling liquids and light splashing. They control equipment with high currents, such as landscape lighting, pumps, and heaters. Program them to turn a device on and off at a set time and day. Position trippers around the clock dial to set on and off times.

24-hour switches repeat the same program daily.

Seven-day switches can perform a different program each day of the week.

Switches with a day skipper can be programmed to skip operation for one to six days.

Additional trippers (sold separately) are sold in pairs that include one “on” tripper and one “off” tripper.

Switches															Additional Trippers
No. of Circuits Controlled	Switching Current @ Voltage	Input Voltage	Maximum On/Off Cycles	Minimum Set Time	Tripper Type	No. of Trippers	Housing Material	Industry Designation	Ht.	Wd.	Dp.	Wire Connection Type		Each	Pkg. Qty.		Pkg.
24-Hour Timing Cycle
1	40 A @ 240 V AC	120V AC	12 per Day	1 hrs.	Removable	2	Steel	SPST	9 3/8"	5 1/2"	3 5/8"	Screw Terminals	0000000	0000000	1	0000000	00000
2	40 A @ 240 V AC	120V AC/208V AC/240V AC/277V AC	48 per Day	15 min.	Captive	96	Polycarbonate Plastic	DPDT	8 7/8"	6 5/8"	3"	Screw Terminals	0000000	00000	__	000000	00
2	40 A @ 240 V AC	120V AC	12 per Day	1 hrs.	Removable	2	Steel	DPST	9 3/8"	5 1/2"	3 5/8"	Screw Terminals	0000000	000000	1	0000000	0000
2	40 A @ 240 V AC	208V AC/240V AC/277V AC	12 per Day	1 hrs.	Removable	2	Steel	DPST	9 3/8"	5 1/2"	3 5/8"	Screw Terminals	0000000	000000	1	0000000	0000
24-Hour Timing Cycle with Day Skipper and Three Skip Screws
2	40 A @ 240 V AC	120V AC	10 per Day	1 hrs.	Removable	2	Steel	DPST	9 3/8"	5 1/2"	3 5/8"	Screw Terminals	0000000	000000	1	0000000	0000
2	40 A @ 240 V AC	208V AC/240V AC/277V AC	10 per Day	1 hrs.	Removable	2	Steel	DPST	9 3/8"	5 1/2"	3 5/8"	Screw Terminals	0000000	000000	1	0000000	0000
7-Day Timing Cycle
2	40 A @ 240 V AC	120V AC/208V AC/240V AC/277V AC	6 per Day	2 hrs.	Captive	96	Polycarbonate Plastic	DPDT	8 7/8"	6 5/8"	3"	Screw Terminals	00000000	000000	__	000000	00
4	40 A @ 240 V AC	120V AC	3 per Day	3.5 hrs.	Removable	14	Steel	4PST	12 1/2"	8 1/4"	4"	Screw Terminals	00000000	000000	7	00000000	00000

Additional Day-Skip Screws (Pkg. of 3)

0000000

Pkg.

00000

High-Current Time and Day Activated Switches

Control equipment with high currents such as landscape lighting, pumps, and heaters. Program these switches to turn a device on and off at a set time and day. Position trippers around the clock dial to set on and off times.

24-hour switches repeat the same program daily.

Seven-day switches can perform a different program each day of the week.

Switches with a day skipper can be programmed to skip operation for one to six days.

Additional trippers (sold separately) are sold in pairs that include one “on” tripper and one “off” tripper.

Switches															Additional Trippers
No. of Circuits Controlled	Switching Current @ Voltage	Input Voltage	Maximum On/Off Cycles	Minimum Set Time	Tripper Type	No. of Trippers	Industry Designation	Ht.	Wd.	Dp.	Wire Connection Type	Environment		Each	Pkg. Qty.		Pkg.
24-Hour Timing Cycle
1	20 A @ 120 V AC, 208 V AC, 240 V AC, 277 V AC	120V AC/208V AC/240V AC/277V AC	48 per Day	15 min.	Captive	96	SPDT	7 3/4"	5"	3"	Screw Terminals	Indoor	0000000	0000000	__	000000	00
1	40 A @ 240 V AC	120V AC	12 per Day	1 hrs.	Removable	2	SPST	7 3/4"	5"	3"	Screw Terminals	Indoor	0000000	00000	1	0000000	00000
2	40 A @ 240 V AC	120V AC	12 per Day	1 hrs.	Removable	2	DPST	7 3/4"	5"	3"	Screw Terminals	Indoor	0000000	00000	1	0000000	0000
2	40 A @ 240 V AC	208V AC/240V AC/277V AC	12 per Day	1 hrs.	Removable	2	DPST	7 3/4"	5"	3"	Screw Terminals	Indoor	0000000	00000	1	0000000	0000
24-Hour Timing Cycle with Day Skipper and Three Skip Screws
1	40 A @ 240 V AC	120V AC	10 per Day	1 hrs.	Removable	2	SPST	7 3/4"	5"	3"	Screw Terminals	Indoor	0000000	000000	1	0000000	0000
2	40 A @ 240 V AC	120V AC	10 per Day	1 hrs.	Removable	2	DPST	7 3/4"	5"	3"	Screw Terminals	Indoor	0000000	000000	1	0000000	0000
2	40 A @ 240 V AC	208V AC/240V AC/277V AC	10 per Day	1 hrs.	Removable	2	DPST	7 3/4"	5"	3"	Screw Terminals	Indoor	0000000	000000	1	0000000	0000
7-Day Timing Cycle
1	20 A @ 240 V AC	120V AC	12 per Day	2 hrs.	Captive	84	SPDT	7 3/4"	5"	3"	Screw Terminals	Indoor	00000000	000000	__	000000	00
4	40 A @ 240 V AC	120V AC	3 per Day	3.5 hrs.	Removable	4	4PST-NO	12 1/2"	8 1/4"	4"	Screw Terminals	Indoor	00000000	000000	7	00000000	00000

Additional Day-Skip Screws (Pkg. of 3)

0000000

Pkg.

00000

Smartphone-Programmable Time
and Day Activated Switches

Remotely program these switches via bluetooth signal with a smartphone, tablet, or PC to turn a device on and off at a set time and day. They’re often used with lighting, pumps, and filters. All have a 24-hour/seven-day/365-day timing cycle that can repeat the same program daily or perform a different program each day of the week or year. They compensate for leap year and daylight savings time. A PIN code is required to prevent unauthorized tampering with settings. All have an override to bypass the programmed on/off settings.

Two-circuit switches can apply a different program to each circuit. They have astronomical timing that can be set to turn lights on and off based on sunrise and sunset.

24-Hour/7-Day/365-Day Timing Cycle
No. of Circuits Controlled	Switching Current @ Voltage	Input Voltage	Maximum On/Off Cycles	Minimum Set Time	Timing Adjustment Style	Industry Designation	Ht.	Wd.	Dp.	For DIN Rail Ht., mm	Wire Connection Type	Environmental Rating		Each
1	15 A @ 120 V AC, 10 A @ 240 V AC	120V AC/240V AC	100 per Day	1 min.	Push Button	SPDT	3 1/2"	1 3/8"	2 3/8"	35	Screw-Clamp Terminals	IP20	0000000	0000000
2	15 A @ 120 V AC, 10 A @ 240 V AC	120V AC/240V AC	500 per Day	1 min.	Push Button	SPDT	3 1/2"	1 3/8"	2 3/8"	35	Screw-Clamp Terminals	IP20	0000000	000000

Cycle Timer Switches

Repeat a cycle of on/off intervals every hour. Position trippers around the clock dial to set on and off times.

								Mounting
No. of Circuits Controlled	Switching Current @ Voltage	Input Voltage	Maximum On/Off Cycles	Minimum Set Time	Ht.	Wd.	Dp.	Fasteners Included	No. of Holes	Hole Dia.	For DIN Rail Ht., mm	Wire Connection Type		Each
1	16 A @ 250 V AC	120V AC	24 per Hour	1.25 min.	3 5/16"	2 1/8"	2 3/8"	No	2	0.16"	35	Screw Terminals	000000	000000

Wall-Mount Timer Switches

Use these switches in place of standard wall switches to automatically turn electrical equipment on or off after a set interval of time. They’re often used with lights.

Switches with override can bypass the automatic shut-off.

Set switches with beep and light signals to alert when the timer is almost done; the signals can also be turned off.

Switches with set time recall retain the last setting; hold the button down to restart the timer with that setting.

Push Button with Countdown LCD, Set Time Recall, and Beep and Light Signals

Push-Button with
Countdown LCD
and Set Time Recall

With Override
No. of Circuits Controlled	Switch Starting Position	Switching Current @ Voltage	Horsepower @ Switching Voltage	Set Time	For Outlet Box Type	Wire Connection Type	Choose a Color		Each
1	Off	41 mA @ 24 V AC, 12 mA @ 24 V DC	__	5 min.-12 hrs.	1 Device (1 Gang)	Screw Terminals	Almond, Black, Gray, Ivory, White	000000	000000
1	Off	6.6 A @ 120 V AC, 4.3 A @ 277 V AC	1/6 hp @ 125 V AC	5 min.-12 hrs.	1 Device (1 Gang)	Screw Terminals	Almond, Black, Gray, Ivory, White	000000	00000

Timers

Style R timers have an extra-loud alarm that can be heard over background noise in a typical manufacturing environment.

Timers with a calibration certificate traceable to NIST have been tested to NIST standards to ensure accuracy.

Timers with a memory function automatically return the display to the last programmed time. Good for timing repetitive intervals.

										Case
Style	Timing Functions	Max. No. of Events	Max. Timer Duration	Max. Alarm Duration	Resolution	Ht.	Wd.	Dia.	Dp.	Material	Color	Backing Type	Batteries Included	Features		Each
Timers
A	Count Up Count Down Pause	1	100 min.	12 sec.	1 sec.	2 3/4"	2 3/8"	__	1/4"	Plastic	Gray	Magnetic	Yes	Alarm	00000000	000000
B	Count Up Count Down Pause	1	100 min.	1 min.	1 sec.	2 1/4"	2 1/2"	__	1/2"	Plastic	Blue	Magnetic	Yes	Alarm Built-In Stand	0000000	00000
C	Count Up Count Down Pause	1	100 min.	12 sec.	1 sec.	2 1/8"	2 1/2"	__	1"	Plastic	White	Magnetic	Yes	Alarm Built-In Stand Memory Function	00000000	00000
D	Count Up Count Down Pause Clock	1	24 hrs.	Continuous	1 sec.	1 3/4"	__	3 1/8"	__	Plastic	White	__	Yes	Alarm Memory Function	00000000	00000
E	Count Up Count Down Pause	1	24 hrs.	12 sec.	1 sec.	2 1/2"	3 3/4"	__	1"	Plastic	Gray	Magnetic	Yes	Alarm Built-In Stand Memory Function	0000000	00000
F	Count Up Count Down Pause	1	9,999 min.	Continuous	1 min.	2"	3"	__	5/8"	Plastic	Red	Magnetic	Yes	Alarm Built-In Stand Memory Function	0000000	00000
F	Count Down	1	100 hrs.	1 min.	1 sec.	2"	3"	__	5/8"	Plastic	Red	Magnetic	Yes	Alarm Built-In Stand Memory Function	00000000	00000
G	Count Up Count Down Pause Clock	1	24 hrs.	1 min.	1/100 sec.	3 3/4"	3 3/4"	__	3"	Plastic	Gray	__	Yes	Alarm Built-In Stand Memory Function	000000	00000
H	Count Up Count Down Pause Clock	4	100 hrs.	1 min.	1 sec.	2 1/2"	2 3/4"	__	1/2"	Plastic	White	__	Yes	Alarm Memory Function	0000000	00000
J	Count Up Count Down Pause Clock	6	100 hrs.	1 min.	1 sec.	2 3/8"	2 3/4"	__	1"	Plastic	Gray	__	Yes	Alarm Memory Function	0000000	00000
K	Count Up Count Down Pause Clock	8	100 hrs.	Continuous	1 sec.	4 1/4"	6 1/2"	__	3 1/2"	Plastic	Beige	__	__	Alarm Memory Function	0000000	000000
L	Count Up Count Down Clock	2	3,000 days	15 sec.	1/100 sec.	2 7/8"	5"	__	7/8"	Plastic	Silver	__	Yes	Built-In Stand	00000000	00000
M	Count Down	1	100 min.	30 sec.	1 sec.	2 1/2"	2 1/2"	__	1/2"	Plastic	Red	Magnetic	Yes	Alarm Built-In Stand Memory Function	00000000	00000
N	Count Up Count Down	2	24 hrs.	1 min.	1 sec.	3 3/4"	5"	__	1/2"	Plastic	White	__	Yes	Alarm Memory Function	00000000	00000
P	Count Up Count Down	4	100 hrs.	1 min.	1 sec.	2 7/8"	2 1/2"	__	1/2"	Plastic	Black	Magnetic	Yes	Alarm Built-In Stand	00000000	00000
Timers with Calibration Certificate Traceable to NIST
F	Count Up Count Down Pause	1	9,999 min.	Continuous	1 min.	2"	3"	__	5/8"	Plastic	Red	Magnetic	Yes	Alarm Built-In Stand Memory Function	0000000	00000
F	Count Down	1	100 hrs.	1 min.	1 sec.	2"	3"	__	5/8"	Plastic	Red	Magnetic	Yes	Alarm Built-In Stand Memory Function	00000000	00000
L	Count Up Count Down Clock	2	3,000 days	15 sec.	1/100 sec.	2 7/8"	5"	__	7/8"	Plastic	Silver	__	Yes	Built-In Stand	00000000	00000
Q	Count Up Count Down Pause Clock	2	24 hrs.	1 min.	1 sec.	2 1/8"	2 3/4"	__	7/8"	Plastic	Black	Magnetic	Yes	Alarm Built-In Stand Memory Function	0000000	00000
R	Count Up Count Down Pause	2	100 hrs.	1 min.	1 sec.	3"	3 1/2"	__	5/8"	Plastic	White	Magnetic	Yes	Alarm Built-In Stand Memory Function	0000000	00000
S	Count Up Count Down Pause Clock	3	20 hrs.	1 min.	1 sec.	3 7/8"	2 5/8"	__	1"	Plastic	Black	__	Yes	Alarm Memory Function	0000000	00000
T	Count Up Count Down	1	20 hrs.	1 min.	1 sec.	3"	1 3/4"	__	1 1/4"	Plastic	Silver	Magnetic	Yes	Alarm Built-In Stand Memory Function	00000000	00000
U	Count Up Count Down	1	100 hrs.	1 min.	1 sec.	2"	1 1/2"	__	3/4"	Plastic	White	Magnetic	Yes	Alarm Clip Keychain Ring	00000000	00000
V	Count Up Count Down	1	100 min.	1 min.	1 sec.	2 3/4"	3"	__	1"	Plastic	White	__	Yes	Alarm Built-In Stand	00000000	00000
W	Count Up Count Down	1	100 min.	1 min.	1 sec.	3 1/4"	3"	__	1/2"	Plastic	White	__	Yes	Alarm Built-In Stand Memory Function Suction Cups Waterproof	00000000	00000
X	Count Up Count Down	3	100 hrs.	1 min.	1 sec.	3 1/4"	2"	__	1/2"	Plastic	White	Magnetic	Yes	Alarm Built-In Stand Memory Function	00000000	00000
Y	Count Up Count Down	1	24 hrs.	1 min.	1 sec.	3 1/4"	2 1/2"	__	1/2"	Plastic	White	__	Yes	Alarm Built-In Stand Memory Function Repeat Function Voice Alerts	00000000	00000

Analog Timers

									Case
	Timing Functions	Max. No. of Events	Max. Timer Duration, min.	Resolution	Max. Alarm Duration	Ht.	Wd.	Dp.	Material	Color	Power Source	Batteries Included	Features		Each
A	Count Down	1	60	1 min.	1 sec.	3 3/4"	3 3/4"	2"	Plastic	White	Spring Wound	__	Alarm	0000000	00000
B	Count Down	1	30	1 min.	1 sec.	3 1/2"	3"	2 1/2"	Plastic	Black	Spring Wound	__	Alarm	000000	00000
B	Count Down	1	60	1 min.	1 sec.	3 1/2"	3"	2 1/2"	Plastic	Black	Spring Wound	__	Alarm	000000	00000
C	Count Up, Pause	1	60	1 sec.	__	6 3/4"	5 1/4"	3 3/4"	Plastic	White	Battery	Yes	Second Hand	0000000	000000

Scheduling Timers

Program this timer to trigger an audible signal for events throughout the week such as lunch and break times. It has a keypad for scheduling events and adjusting the signal duration. Keypad has a user-defined security code to restrict access. The backup battery saves programmed data and lasts for 10 years. It does not power the timers.

Timer

Max. No. of Events per Week	For Max. No. of Alarms	Alarm Duration	Ht.	Wd.	Dp.	Material	Color	Time Convention	Electrical Connection Type	Current, A	Voltage	Backup Battery Life		Each
9,999	9,999	1-9 Seconds, Continuous	8 1/2"	11"	6 1/2"	Polycarbonate Plastic	Gray	12 Hour, 24 Hour	Hardwire	2.5	120V AC	10 yrs.	0000000	000000000

Replacement Backup Battery (1 per Pkg.)

0000000

Pkg.

00000

Bell

Dia.	Volume	Current, A	Voltage	For Use Outdoors	Mounting Hardware Included		Each
6"	86 dB @ 10 ft.	0.085	120V AC	Yes	Yes	0000000	000000

Buzzer

Wd.	Ht.	Volume	Current, A	Voltage	For Use Outdoors	Mounting Hardware Included		Each
4"	4"	95 dB @ 10 ft.	0.16	120V AC	Yes	Yes	0000000	000000

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Over 48,000 metals now include traceable material certificates.

About Timing Functions

Time and Day Activated Switches

Outdoor Time and Day Activated Switches

Outlet-Box-Mount Time and Day Activated Switches

Surface/DIN-Rail Mount Time and Day Activated Switches

Panel-Mount Time and Day Activated Switches

Surface/DIN-Rail Mount Set-to-the-MinuteTime and Day Activated Switches

Panel-Mount Set-to-the-MinuteTime and Day Activated Switches

Outdoor Set-to-the-Minute High-CurrentTime and Day Activated Switches

Set-to-the-Minute High-CurrentTime and Day Activated Switches

Outdoor High-Current Time and Day Activated Switches

High-Current Time and Day Activated Switches

Smartphone-Programmable Timeand Day Activated Switches

Cycle Timer Switches

Wall-Mount Timer Switches

Timers

Analog Timers

Scheduling Timers

Surface/DIN-Rail Mount Set-to-the-Minute
Time and Day Activated Switches

Panel-Mount Set-to-the-Minute
Time and Day Activated Switches

Outdoor Set-to-the-Minute High-Current
Time and Day Activated Switches

Set-to-the-Minute High-Current
Time and Day Activated Switches

Smartphone-Programmable Time
and Day Activated Switches