Aircraft Spruce & Specialty Co.
Corona, CA | Chicago, IL
Wasilla, AK | Peachtree City, GA
Brantford, ON Canada
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CESSNA SPLIT MASTER SWITCH -RED
MFR Model# S1994-1-1
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Overview
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This versatile split red master switch has been used in virtually all single engine Cessna models since 1970 and can be used in most light aircraft with single alternator systems. Left rocker normally used for alternator and right half for battery. Order mount separately. Amp Rating is 20. |
Reviews
I like the switch, it fit perfect into my customers aircraft, where the other one was removed from during troubleshooting of an electrical issue. I think the switch is pretty well made and is working as it should.
Works as advertised
I like this switch. I did not find dimensions for this switch. I am enlarging the instrument panel opening because I need a split switch for so as to save space. The switch will suit my purposes.
These switches are made in Mexico. They do not last. I have replaced two of them in my Lancair. They are riveted together, so you cannot take them apart to clean the contacts. Never again. I should have utilized two toggle switches instead when building the instrument panel.
Q&A
The amp rating for this switch is 20.
Yes, this is a Cessna part and is FAA approved to be used on Cessna aircraft. A field approval my be required if installed on any other certified aircraft.
The approximate dimensions are: 1-5/16" H x 3/4" W x 1-7/8" Max Depth (End of Terminal to top of Raised Switch).
Per the supplier: Yes, they can be wired in either direction.
The Cessna split master, part number 11-15900, does not include any specific wiring instructions. The Cessna maintenance manual supplies all information needed for this installation. The positive and negative terminals on the switch are reversible, you may wire them in either direction.
The great thing with a Tanis Preheat System is that you can leave it plugged in all the time and not have any concern of hurting anything. The reason for this is with a Tanis Preheat System we heat all of the components that are above the oil line hotter than the oil or another way to state it is the components are above the dew point temperature in your engine. We have the only preheat system that can make this claim. This keeps any moisture that is in your oil from condensing on those components.
