24-Hour Switches | McMaster-Carr

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	Timing Cycle Timing Cycle

24 Hour

7 Day

365 Day

	Timing Adjustment Style Timing Adjustment Style


Trippers	Push Button

	Switching Voltage Switching Voltage

	Input Voltage Input Voltage

	Switching Current Switching Current

	Number of Circuits Controlled Number of Circuits Controlled

	Minimum Set Time Minimum Set Time

	Maximum On/Off Cycles Maximum On/Off Cycles

	Specifications Met Specifications Met

CSA

CE Marked

FCC

	Width Width

	Height Height

	Depth Depth

	Environment Environment

Corrosive

Damp

Outdoor

	Industry Designation Industry Designation

	Tripper Type Tripper Type

Removable

Captive

	Wire Connection Type Wire Connection Type

	Screw Terminals
	Screw-Clamp Terminals
	Quick- Disconnect Terminals

	Environmental Rating Environmental Rating

NEMA 1

NEMA 3R

IP20

	Number of Trippers Number of Trippers

	Number of Outlets Number of Outlets

	Mounting Hole Diameter Mounting Hole Diameter

	Color Color

	White		Gray
	Off-White		Beige

	Knockout Trade Size Knockout Trade Size

1/2

3/4

	Housing Material Housing Material

Steel

Plastic

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26 Products

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. Switches cannot be sold to California due to local energy efficiency requirements.

24-hour switches repeat the same program daily.

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	Cannot Be Sold To		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	CA	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	CA	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	CA	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	CA	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	CA	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	CA	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	CA	0000000	000000	1	0000000	0000

Additional Day-Skip Screws (Pkg. of 3)

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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. Switches cannot be sold to California due to local energy efficiency requirements.

24-hour switches repeat the same program daily.

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	Cannot Be Sold To		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	CA	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	CA	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	CA	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	CA	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	CA	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	CA	0000000	000000	1	0000000	0000

Additional Day-Skip Screws (Pkg. of 3)

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Pkg.

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Time and Day Activated Switches

24-Hour Timing Cycle

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.

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

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	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

Outdoor Time and Day Activated Switches

24-Hour 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.

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.	Cannot Be Sold To		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"	CA	0000000	0000000

Additional Trippers (Pkg. of 2 Pair)

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Pkg.

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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. They cannot be sold to California due to local energy efficiency requirements.

24-hour switches repeat the same program daily.

											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	Cannot Be Sold To		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	CA	0000000	000000

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. Switches are UL listed, C-UL listed, and CE marked as compliant with safety standards in the U.S., Canada, and Europe. They cannot be sold to California due to local energy efficiency requirements.

24-hour switches repeat the same program daily.

											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	Cannot Be Sold To		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	CSA Certified, CE Marked, C-UL Recognized Component, UL Recognized Component	CA	0000000	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.

											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	Cannot Be Sold To		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	CA	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	CA	0000000	000000

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

24-Hour 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.

										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	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

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

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V-Belts

High-Capacity Narrow-Wedge V-Belts

High-Current Time and Day Activated Switches

Outdoor High-Current Time and Day Activated Switches

Time and Day Activated Switches

Outdoor Time and Day Activated Switches

Panel-Mount Time and Day Activated Switches

Surface/DIN-Rail Mount Time and Day Activated Switches

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

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

Smartphone-Programmable Timeand Day Activated Switches

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

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

Smartphone-Programmable Time
and Day Activated Switches