Interval Timers | McMaster-Carr

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System of Measurement

Input Voltage

Timing Adjustment Style

Switching Voltage

Timer Relay 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

Switching Current

Overall Timing

0.05 sec. to 1,800 sec.

0.05 sec. to 999 min.

Number of Circuits Controlled

Display Type

Number of Terminals

Operating Voltage

Wire Connection

Set Time

Resettable

Certification

C-UL Recognized Component

ETL Listed

LR Type Approved

UL Listed

UL Recognized Component

Switch Designation

RoHS

Compliant with Exemptions

Not Compliant

REACH

Compliant

Not Compliant

Export Control Classification Number (ECCN)

EAR99

Number of Digits

DFARS Specialty Metals

Exempt

Relay Type

Standard

Timer

Switch Starting Position

Environment

High-Pressure Washdown

Timing Cycle

588 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 Input and Output Modules

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

10 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

14 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

3 products