Interval Timers | McMaster-Carr

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Interval

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Start-Off Repeat Cycle

Mounting Location

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Overall Timing

0.05 sec. to 1,800 sec.

0.05 sec. to 999 min.

Switching Current

Number of Circuits Controlled

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C-UL Recognized Component

ETL Listed

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UL Recognized Component

Set Time

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Export Control Classification Number (ECCN)

EAR99

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Number of Digits

Relay Type

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674 Products

Electrical

Timer Relays

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

198 products

Timer Switches

Automatically turn electrical equipment on or off after a set interval

99 products

PLCs

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

9 products

PLC End Plates

Pair with PLCs to tell your processor there are no more inputs or outputs; protect PLCs from debris

1 product

PLC Input and Output Modules

Connect switches, transmitters, and actuators to your PLC for complex automation jobs

71 products

PLC Communication Modules

Connect and communicate simultaneously with multiple automation devices

12 products

IO Link Programmers

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

1 product

IO Link Controllers

Communicate between your sensors, actuators, and PLC

10 products

Power Supplies

Convert your facility's AC voltage to power equipment that runs on DC voltage

5 products

Measuring and Inspecting

Timers

Count up or down to measure a period of time

29 products

Inspection Indicators

Mount to your equipment for a signal when it's time for maintenance or inspection

4 products

Stopwatches

Track time or record an event from start to finish

10 products

Hour Meters

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

48 products

Counters

Record and display the number of times events or processes occur

100 products

Tachometers

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

1 product

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

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

5 products

Scheduling Timers

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

1 product

Checkpoint Recorders

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

1 product