At Presair, our factory set vacuum switch cross-reference guide is designed to help you compare our products with those of competitors like Tecmark, Herga, and Lefoo. This guide aims to assist you in finding the right vacuum switch for your needs.

Features of Presair Tinytrol Miniature Vacuum Switches

Factory Set Vacuum Switch Cross-ReferencePresair Tinytrol miniature vacuum switches make electrical contact when a specific set pressure is reached. Their compact size and variety of connection styles allow for easy integration into any system. These switches provide straightforward electrical on/off control over vacuum. As vacuum rises or falls, one contact opens while the other closes, making them ideal for monitoring, controlling, and notifying. Tinytrol Miniature Vacuum Switches are preset at the factory to meet your specific requirements.

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Competitor Comparison

This guide includes the following models:

Tecmark: V4000 series
Herga: HPS-600-V series
Lefoo: LFS-02 series

Whether you are an experienced technical professional or exploring alternatives, our cross-reference guide will assist you in finding the right match for your needs.

Factory Set Vacuum Switch Cross-Reference Guide

Manufacturer

Presair

Tecmark

Herga

Lefoo

Product Name
Tinytrol
V4000
HPS-600-V
LFS-02
Mounting Styles & Air Connections 1/8 NPt, Radial /w Side Air Spout, Threaded Center Air Spout 1/8 NPT Male, 1/4 NPT Male, 3/16 Barbed, 1/8, 3/16, 1/4 compression, 1/8NPT Female /w /2 Conduit male external thread Mounting Plate /w 2 Screws, Port Holes for 4 self tapping screws, 1/8″ BSPT & NPT Brass 4 screws mounting hole /w optional bracket
Construction Plastic Plated Steel, Plastic Plastic, Steel, Brass Plastic, Steel Plating
Diaphragm Material Options Nitrile, EPDM, Silicone Buna-N, EPDM, Hydrin, Elastomeric Urethane Nitrile, EPDM, FVMQ
Function Open or Close on Pressure Rise or Fall Open or Close on Pressure Rise or Fall Open or Close on Pressure Rise or Fall Open or Close on Pressure Rise or Fall
Pressure Range 2.5WC” – 300 WC” (-2.5″WC) – 100PSI 2″WC – 387″WC 2″-320″WC
Max. Proof Pressure Varies Maxes will vary depending on switch variables 70 psi 400″WC
Contact Configuration SPDT, DPDT, SPST SPDT, DPDT, DPST, SPST SPDT SPDT, SPST
+100,000 Max. Resistive Cycle Rating @120VAC 25 Amp (240Vac) 25 Amp (250Vac) 15Amp (250Vac) 16 Amps
Certifications UL, cUL, RoHS, REACH UL, cUL, RoHS, REACH; CE available UL on select switches UL, cUL, CE
Country of Origin USA USA UK China

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Pneumatic Switches

Presair pneumatic switches are great for safe, economical control of consumer, industrial, medical or other products and appliances in wet, chemical or explosive atmospheres, or just for added safety.

High Quality

Presair switches are 100% testing before leaving our facilities.

Made in U.S.A.

Products are designed & manufactured in Eau Claire, Wisconsin, USA.

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