Electronic Timers | McMaster-Carr

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System of Measurement

Input Voltage

Timing Adjustment Style

Switching Voltage

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

Mounting Location

Printed Circuit Board

Overall Timing

0.05 sec. to 1,800 sec.

0.05 sec. to 999 min.

Switching Current

Operating Voltage

Number of Circuits Controlled

Wire Connection

Display Type

Number of Terminals

Electrical Connection

Power Source

Height

Set Time

Width

Resettable

Export Control Classification Number (ECCN)

EAR99

DFARS Specialty Metals

Exempt

RoHS

Compliant

Compliant with Exemptions

Not Compliant

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

Switch Designation

REACH

Certification

C-UL Recognized Component

UL Recognized Component

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587 Products

Electrical Power, Networking, and Controlling

Timer Relays

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

202 products

Relays

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

2 products

Timer Switches

Automatically turn electrical equipment on or off after a set interval

108 products

IO-Link Programmers

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

1 product

PLCs

Program complex automation jobs by combining the functionality of a relay, timer relay, and switch

76 products

Measuring and Inspecting

Timers

Count up or down to measure a period of time

26 products

Hour Meters

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

51 products

Stopwatches

Track time or record an event from start to finish

11 products

Wristwatches

Display the time, date, and smart functions on your wrist and keep your hands free

2 products

Counters

Record and display the number of times events or processes occur

63 products

Tachometers

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

2 products

Communication

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

22 products

Scheduling Timers

Program to signal routine events throughout the week, such as lunch and breaks

4 products

Checkpoint Recorders

Ensure security staff make their rounds with electronic check-ins; also called watchmen's clocks

3 products

Stamps

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

2 products

Facility and Grounds Maintenance

Faucet Timers

Count down to encourage effective handwashing that helps prevent the spread of illness

1 product

Lawn Sprinkler Timers

Program to water lawns and gardens on a set schedule

2 products

Lighting

Light Switch Sensor Controllers

Turn lights on and off or dim them in unison from a secure Bluetooth network

1 product