PRESAIR

Tinytrol® Miniature Air Switches

Presair Tinytrol® Miniature Air Switches are single-function controls that provide on/off actuation of electrical devices from remote locations. Common applications include motors, lighting, pumps, and other equipment.

Each air switch connects to an air bellow actuator via flexible tubing. When the actuator is pressed, it sends a pulse of air to the switch, triggering the electrical circuit. This design ensures complete electrical isolation at the point of actuation, with no voltage present, improving safety in wet or hazardous environments.

CUSTOM OPTIONS

Wide variety of options available to meet original equipment manufacturers product requirements.

HIGH QUALITY

Highly stable with good repeat accuracy. All switches are 100% tested at high & low settings, &  at proof pressure.

SAFE & ECONOMICAL

Remote operation with complete electrical isolation. UL Recognized. Costs less than conventional controls

MADE IN U.S.A.

Presair switches are designed & manufactured in Eau Claire, Wisconsin, U.S.A.

Presair Tinytrol® Miniature Air Switches are single-function controls that provide on/off actuation of electrical devices from remote locations. Common applications include motors, lighting, pumps, and other equipment.

Each air switch connects to an air bellow actuator via flexible tubing. When the actuator is pressed, it sends a pulse of air to the switch, triggering the electrical circuit. This design ensures complete electrical isolation at the point of actuation, with no voltage present, improving safety in wet or hazardous environments.

Presair switching systems costs are comparable or lower than conventional controls meeting the needs of original equipment manufacturers worldwide.

All switches are 100% tested with a +100,000 cycle life.

Presair offers a variety of custom options such as mounting types, air spout sizes, diaphragm material, etc. Please contact us with your application requirements.

Product Specifications

  • Alternate action (Push Remain On/Push Off) or Momentary Action (Push On/Release Off)
  • Standard maximum air tubing distance between actuator and switch:
  • Alternate Action – 20 feet
  • Momentary Action – 35 feet
  • Extended distances up to 100 feet available depending on actuator model and tubing size. All units available with an air bleed for sensitive environments such as, low force applications. Contact us for more information.
  • Single-Pole, Double-Throw (SPDT), Single-Pole, Single-Throw (SPST) or Double-Pole, Double-Throw (DPDT) models available.
  • 2 HP @ 240 VAC; 1HP @ 120 VAC; 21 AMPS @ 250 VAC Other ratings available from 1 to 25 Amps. Gold contacts available.
  • Operating temperature of -22°F to 150°F
  • Acetal body construction
  • Standard diaphragm material is Silicone. Other diaphragms available in various materials – Nitrile, neoprene, EPDM, etc.
  • Variety of mounting and connection styles.
  • UL & cUL Recognized
  • Made in the U.S.A.


Mounting Options & Air Connections

Presair switches are available with a range of mounting options and air connection configurations to meet the requirements of original equipment manufacturers. All models shown below are a single-pole configuration. For dimensional drawings of other configurations, please contact us.

Select one of the available solutions below or contact us to request a custom configuration.

1/8 NPT Tinytrol Pressure Switch
1/8 NPT Pressure Port

(Adapter available 5/16″ or 3/8″ diameter mounting hole.)

Radial Mount Tinytrol Pressure Switch
Radial Mount with 1/8″ O.D. Side Air Spout

(Spout may be specified at other 90° angles.)

1/2" Thd Tinytrol Pressure Switch
1/2″ Threaded Mount with Flats, 1/8″ O.D. Center Air Spout
9/16 Thd Tinytrol Pressure Switch
9/16″-18 UNF Mounting Threads, 1/8″ O.D. Center Air Spout

(Available in White or Black. 1/16″ O.D. air spout available.)

Common Applications

Presair air switches are used in pool and spa, medical, industrial, and home applications to provide simple on/off control of appliances and equipment.

Pool & Spa
Industrial

Cross Reference

We’ve compared our products to other leading air switch models in the market to highlight differences in function, construction, and performance.

Find further details by visiting this link. 

BRANDS

PRESAIR

Tinytrol®

TECMARK

TBS Series

HERGA

6871 & 6872

LEFOO

LF40-01

Variety of Mounting Options & Air Connections

Plastic Body Construction

Variety of Diaphragm Material Options

Momentary or Alternate Action

5 inches of water Minimum Operating Pressure

120 PSI Maximum Proof Pressure

SPDT or DPDT Contact Configurations

Rated up to 25A @ 250VAC

(+100,000 cycle life)

UL / cUL Recognized

Made in U.S.A.

Frequently Asked Questions

YOUR QUESTIONS, ANSWERED.

What is a momentary action versus alternate latching action?

A momentary action air switch is when the circuit opens or closes while air pressure is being constantly applied. Whereas an alternate latching action is when air pressure is applied the circuit changes states, and requires air pressure to be applied again to change the circuit’s state again.

For more information, visit this link for further explanation!.

How do I choose the right air switch?

There are a few factors that come into play when choosing the correct air switch for your application. Here is a quick checklist:

  1. How will you mount the switch in your system?
  2. Will you need the switch to operate momentary or alternate latching?
  3. What is the current rating of your system the air switch is controlling?
  4. What is the distance of air tubing from the pressure source to the air switch?

You can find out more details about these questions by clicking here!

What air tubing is best for my air switch?

Presair offers to different air spout options with the air switches (1/8″ O.D. and 3/16″ O.D.) therefore your air tubing must be 1/8″ I.D. or 3/16″ I.D.

Click here for a quick guide!

My application will expose the switch to hazardous chemicals and/or gases. How will performance change?

We offer a variety of diaphragm material options to meet different application needs. Here’s a guide to the different options available.

My application has a small or large amount of current. What are Presair switches rated at?

We offer a variety of micro switch options to meet application requirements up to 25 Amps @ 240VAC. Learn more here!

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