Here at Presair, we’re pleased to provide you with a technical miniature air switch cross-reference guide. This guide is designed to assist you in comparing our products with those of notable competitors Tecmark, Herga, and Lefoo. Click here to learn more about our Tinytrol line of miniature air switches.
Presair Tinytrol Miniature Air Switches are single function controls that provide safe on/off actuation of electrical devices from remote locations such as motors, lights, pumps, or other applications. Air switches are designed to use an air bellow actuator joined by tubing to an air switch contained within the equipment. Pushing the actuator creates enough pressure to operate the air switch which safely controls the equipment. There is complete electrical isolation with no voltage to worry about at the point of actuation.
Competitors such as Tecmark, Herga, and Lefoo offer distinct series of miniature air switches, engineered for specific applications. This article focuses on Tecmark’s TBS series, Herga’s 6871 and 6872 series, as well as Lefoo’s LF40-01 series. If you currently utilize one of these series and are exploring alternatives or seeking a precise cross-reference, this guide is tailored to you. Whether you’re an experienced technical professional or navigating the technical details of miniature air switches, our cross-reference guide is designed to streamline your decision-making process, ensuring a precise match for your specific technical requirements.
Miniature Air Switch Cross-Reference
| Manufacturer | Presair | Tecmark | Herga | Lefoo |
| Product Name | Tinytrol | TBS | 6871 & 6872 | LF40-01 |
| 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 | Silicone, Nitrile, EPDM | Nitrile, EPDM | Urethane | Nitrile, EPDM, FVMQ |
| Function | Momentary, Alternating Latching | Momentary, Alternating Latching | Momentary, Alternating Latching | Momentary, Alternating Latching |
| Max. Proof Pressure | 200 PSI | 120 PSI | 150 PSI | 145 psi |
| Contact Configuration | SPST, SPDT, DPDT | SPST, SPDT, DPST, DPDT | SPCO, DPCO | SPST, SPDT |
| +100,000 Max. Resistive Cycle Rating @250VAC | 25 Amps | 25 Amps (240VAC) | 21 Amps (240Vac) | 22 Amps |
| Certifications | UL, cUL, RoHS, REACH | UL, CUL, RoHS, REACH | UL (specific versions) CSA (specific versions) | UL, cUL |
| Country of Origin | USA | USA | UK | China |
