Electro-Mechanical Timers


Electro-mechanical timers function as on delay, off delay, interval timers, or repeat cycle devices. This device regulates specific machine functions, such as filling or actuating a part of the system, such as a conveyor. In addition, an electro-mechanical timer is characteristically long-lived. If your application for a timer requires less space or where a non-fixed (variable) time range is required, then look at our Electronic Timer products.

Eagle Signal electro-mechanical timers are very popular for applications that do not require extremely fast duty cycles or reset actions. Select the proper electro-mechanical timer from the Eagle Signal portfolio based on the time interval requirements of your application.

Simplicity of Operation - user-adjustable setpoint with a knob and a simple clock-like dial

Operate in Harsh Power Environments - electro-mechanical timers are virtually immune to EMI, brownouts, and blackouts and withstand many power surges

Heavy Duty Construction - years of operation continue to prove the extended maintenance-free life in dirty, dusty, damp, hot, and cold environments

Simple Programming - no switch programming required. Timer works the way you expect it to work

Long Service Life - highly reliable. Exact or similar replacements available for an extensive installed base

Electro-Mechanical Timers
  • HP5 Series Cycle Flex Reset Timer

    HP5 CYCL-FLEX Reset Timers

    The HP5 CYCL-FLEX® series timer is a high quality, synchronous motor driven reset timer housed in the standard CYCL-FLEX® plug-in housing. 

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  • HQ4E Series 48 Percentage Reset Timers

    HQ4 Percentage Timers

    The HQ4 series 48 percentage timer is an accurate, economical, enclosed percentage timer designed for use in applications where a repetitive ON time of a fixed cycle needs to be variable. Ideal for irrigation controls, chemical feeding, program temperature controls, electric heaters, ovens, motor control and  Lubrication systems.

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  • HQ9 Series Analog Percentage Timer

    HQ9 CYCL-FLEX Percentage Timers

    The HQ9 offers accurate, efficient control for many industrial applications.  These include motion control, electric heaters, ovens, program temperature controls, chemical feeding, and lubrication systems.

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  • TF Hand Set Electric Reset Timer

    TF Handset Timers

    The TF series timer is a low cost, manually set, synchronous motor driven timer, adjustable to a selected timer interval by a pointer knob. The TF is available in 6 time ranges from 1 minute to 11 hours.

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  • TM Time-Module Repeat Cycle Timer

    TM Cam Timers

    The TM series TIME/MODULE® consists of a series of modules, each interlocking with the other and keyed so that they can be assembled only one way. Choosing the correct combination of modules will solve virtually all repeating time control problems.

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  • HG1 Flexopulse Repeat Cycle Timer

    HG1 CYCL-FLEX Repeat Cycle Timers

    The HG1 FLEXOPULSE Series is a repeat cycle, two circuit timer housed in the popular Cycle-Flex plug –in case.

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  • Model 191 Pushbutton Reset Electronic Timers

    191 Pushbutton Reset Timers

    The Model 191 is a push-button start, motor driven timer with cycle progress pointer, double make-double break snap action switch and is used to energize a load for a preset time period.

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Electro-Mechanical Timers

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More Products

  • Electro-Mechanical Timers

    Electro-Mechanical Timers

    With Minimal electrical components, Eagle Signal Electro-Mechanical Timers provide long-lasting, fixed timing controls in industrial applications.

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  • Electronic Timers

    Electronic Timers

    Eagle Signal electrical timers are ideal for industrial applications that require feedback/output control functions.

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  • Percentage Timers

    Percentage Timers

    Eagle Signal percentage timers are continuous ON-OFF control devices commonly used in irrigation systems.

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  • Model 90 Miniature Pneumatic Electronic Timer

    Other Timers

    Electronic, Electro-mechanical, and percentage timers are the most common types of Eagle Signal industrial timers. However, we offer other timers and relays that don’t fall into the categories mentioned above. Below, you will find more information on Eagle Signal pneumatic timers, manual handset timers, time totalizers, and more!

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  • A103 Elapsed Time Indicator


    If you need components, parts or other accessories that don't show up on the site, please use the Contact Us features on any page so that we can help you find just what you need!

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Commonly Asked Questions About Electro-Mechanical Timers

What are electro-mechanical timers?

Electro-mechanical timers consist of electrical and mechanical components and often feature an electric motor that drives one or more gears. They typically accept electric or electronic inputs to operate a mechanical output such as rotating wheels or knobs. The ruggedness and simple efficiency of an Eagle Signal electro-mechanical timer are what makes them ideal for applications in spaces such as:

  • Pump controls
  • Food processing
  • Material handling
  • Packaging
  • Plastics manufacturing
  • Irrigation timers


How do electro-mechanical timers work?

In electro-mechanical timers, a synchronous motor turns the cam through the switch contacts. Sometimes, a friction clutch can be found between the cam and the gear train. Electro-mechanical timers must be adjusted manually.

What are the types of electro-mechanical timers?

The five main types of electro-mechanical timers include on-delay, off-delay, internal delay, recycle (percentage), and one-shot timers.

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