Mechanical Timers | McMaster-Carr

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System of Measurement

Input Voltage

Timing Adjustment Style

Switching Voltage

Set Time

Switching Current

Number of Circuits Controlled

Timer Function

Asymmetrical Repeat Cycle

Delayed Off

Delayed Pulse

Delayed Start (Delay on Make)

Delayed Switch Off (Delay on Break)

Delayed Switch-On with Delayed Switch-Off

Fixed On/Off

Interval

Interval Switch-Off

Manual Switch Control

Repeat Cycle

Star-to-Delta

Start-Off Asymmetrical Repeat Cycle

Start-Off Repeat Cycle

Switch Fixed On/Off

Switch on (Single Shot)

Switch-Off Asymmetrical Repeat Cycle

Switch-On Asymmetrical Repeat Cycle

Electrical Connection

Overall Timing

0.05 sec. to 1,800 sec.

0.05 sec. to 999 min.

Timing Cycle

Wire Connection

Switch Designation

Mounting Location

Printed Circuit Board

Power Source

Environment

Certification

C-UL Recognized Component

UL Recognized Component

Number of Terminals

RoHS

Compliant

Compliant with Exemptions

Not Compliant

DFARS Specialty Metals

Exempt

Export Control Classification Number (ECCN)

EAR99

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

Yes

REACH

Compliant

Not Compliant

Switch Starting Position

Maximum Timer Duration

Depth

412 Products

Timer Switches

Wall-Mount Timer Switches

Used in place of standard wall switches to automatically turn electrical equipment on or off

26 products

Panel-Mount Timer Switches

Install in a panel cutout to turn equipment on or off after a set interval

13 products

Timer Switches

Turn electrical equipment on or off after a set interval

1 product

High-Current Time and Day Activated Switches

Turn landscape lighting, pumps, heaters, and other equipment on and off at a set time and day

13 products

Outdoor High-Current Time and Day Activated Switches

Rated NEMA 3R and rain-tight to protect against falling liquids and light splashing

12 products

Energy-Saving Panel-Mount Timer Switches

Push and release the button to activate—no electricity required

1 product

Time and Day Activated Switches

Turn a device on and off at a set time and day

2 products

High-Visibility Timer Switches

The large face is easy to read from a distance

5 products

High-Current Wall-Mount Timer Switches

Control high-current equipment such as air conditioners, heaters, and ventilation fans

9 products

Surface/DIN-Rail Mount Time and Day Activated Switches

Mount to a flat surface or attach to DIN rail

1 product

Outdoor Time and Day Activated Switches

Designed to work with landscape and security lighting

3 products

Outlet-Box-Mount Time and Day Activated Switches

Install in 1 gang outlet boxes

2 products

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

Control high-current equipment with on/off times scheduled to the exact minute

4 products

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

Mount to a flat surface or attach to DIN rail to program on/off times down to the minute

4 products

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

Rated NEMA 3R and turn equipment on and off with times scheduled to the exact minute

6 products

Smart Time and Day Activated Switches

Use your smart phone to turn equipment on and off at a set time and day

4 products

Time-Delay Wall-Mount Timer Switches

Control two devices and delay the shut off of one device by up to one hour

2 products

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

Install in a panel cutout to program on/off times for equipment down to the exact minute

3 products

Panel-Mount Time and Day Activated Switches

Install in a panel cutout to turn a device on and off at a set time and day

2 products

Other Products

Timers

Count up or down to measure a period of time

3 products

Timer Relays

Turn machinery on or off after receiving an electrical signal that starts the timer

201 products

IO-Link Programmers

Configure your IO-Link devices without a PC, outlet, or separate software

1 product

Counters

Record and display the number of times events or processes occur

22 products

Relays

Electrically open and close circuits to control power to lights, motors, and other equipment

2 products

Tachometers

Measure the speed of rotating parts on machines such as shafts, gears, and belts

2 products

Hour Meters

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

51 products

Time Cards

Punch or stamp with a time clock to record attendance and working hours

11 products

Time Clocks

Punch into work by recording day and time

17 products

Stamps

Mark surfaces such as metal, cardboard, paper, or fabric with indentations or ink

2 products