Outdoor Timers | McMaster-Carr

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25 Products

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 Pairs)

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Pkg.

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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	No. of Trippers Included		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 Pair	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 Pair	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 Pair	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 Pair	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 Pair	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 Pairs	00000000	00000

Additional Day-Skip Screws (Pkg. of 3)

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Pkg.

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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 3/8"	5"	3 1/8"	No	0.26"	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 3/8"	5"	3 1/8"	No	0.26"	Screw Terminals	0000000	000000
7-Day Timing Cycle
With Battery Backup, Lockout, Day Skipper
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 3/8"	5"	3 1/8"	No	0.26"	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 3/8"	5"	3 1/8"	No	0.26"	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

Panel-Mount Electrically Actuated Hour Meters

Display running time on a machine so you can schedule preventative maintenance.

Non-resettable meters prevent tampering and accidental loss of data.

Meters that are rated NEMA 4X are protected from dust and washdowns and can be used outdoors.

				For Panel Cutout	Overall
	Resettable	Counting Direction	No. of Digits	Dia.	Dp.	Dia.	Operating Voltage	Environmental Rating		Each
Screw On
0.25" Quick-Disconnect Terminals
G	No	Up	6	2"	1.3"	2.8"	24V AC	IP65, NEMA 4X	0000000	000000
G	No	Up	6	2"	1.3"	2.8"	120V AC	IP65, NEMA 4X	0000000	00000
G	No	Up	6	2"	1.3"	2.8"	230V AC	IP65, NEMA 4X	0000000	00000

Switch-Contact-Actuated Hour Meters

Screw On

No need for a separate power source—these hour meters are powered by internal batteries that last more than 10 years. Often used where power sources aren’t easily accessible, they work well in remote monitoring systems, industrial equipment, and machinery. Wire the hour meter to a relay or switch on your machine so it can receive signals when the machine is running. The total number of hours is shown on the display. Press a button on the meter to reset the time to zero or connect it to a switch or button to reset it from a distance. These meters are UL recognized, C-UL recognized, and CE marked, so they meet American, Canadian, and European safety standards.

Screw on hour meters are IP65, NEMA 4X, and NEMA 12 rated, so they’re protected from dust, water, and splashing oil and coolant.

			For Panel Cutout		Overall
Resettable	Counting Direction	No. of Digits	Ht.	Wd.	Ht.	Wd.	Dp.	Features	Environmental Rating	Specifications Met		Each
Screw On
Screw Terminals
Yes	Up and Down	8	0.9"	1.8"	1"	1.9"	2.1"	Battery-Powered Display, Manual Reset Button, Remote Reset	IP65, NEMA 4X, NEMA 12	UL Recognized Component, C-UL Recognized Component, CE Marked	00000000	000000