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TCW Universal Switch - Airspeed Kit
MFR Model# USW-1
Overview
| Universal Switch – Airspeed Kit (USW-1) allows the control of electrical loads based on airspeed. The airspeed set point is factory calibrated to 100 knots, however, it may be field adjusted to switch at any speed between 55 and 140 knots. The Universal Switch-SPDT controller provides both a normally open and a normally closed contact for controlling any electrical load up to 10 amps. This allows electrical loads to either be on or off, above or below the airspeed set point. The system works with aircraft power systems from 10-30 volts. |
Features
- Allows control of electrical loads based on airspeed
- Controls load either below or above an airspeed set-point
- Adjustable from 55- 140 knots, factory calibrated to 100 knots
- Operates from 10-30 Volts, controls up to 10 Amps
- Provides "squat switch" function for transponder or retracts
- Sealed design, rated for firewall forward use
Specifications
| USW-1 | |
|---|---|
| Related Voltage: | 10 – 30 volts DC |
| Output Switch: | 10 amps rated |
| Input: | Airspeed switch is a closure to ground |
| Outputs: | SPDT, 1 normal-open, 1 normal-closed |
| Wiring: | Mil-spec wire Input connections: 8 ft. 22 awg Output connections: 4 ft. 16 awg |
| Enclosure: | Overall dimensions 1.5” x 1.25” x 0.8” UL 94V-0 rated material, 60° C max temp |
| Weight: | 1 oz. |
Documents
Reviews
Installed in my Lancair 360 to prevent accidental gear retracting on ground or below 90 kts. Installs easy and works well.
Q&A
Please note, Aircraft Spruce Australia's personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. Aircraft Spruce Australia assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.
Per the manufacturer, this unit is for experimental aircraft only.
