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Cessna Split Master Switch - Red S1994-1-1
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. |
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WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov. |
Reviews
Replacing older split switch, again, in process of overhaul. Have not tried it yet
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Cessna Split Master Switch S1994-1-1
Works great dont know why the old one failed.
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Cessna Split Master Switch S1994-1-1
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Cessna Split Master Switch S1994-1-1
Seems to work well.
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Cessna Split Master Switch S1994-1-1
Awesome!
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Cessna Split Master Switch S1994-1-1
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Cessna Split Master Switch S1994-1-1
Have not installed yet, but looks and feels like an exact replacement for the original.
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Cessna Split Master Switch S1994-1-1
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Cessna Split Master Switch S1994-1-1
Excellent fit
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Cessna Split Master Switch S1994-1-1
Verified Purchase
Cessna Split Master Switch S1994-1-1
Q&A
Please note, Aircraft Spruce ®'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 ® 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.
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.
Pidg terminals would work, the tabs are .25" wide.
Yes, this can be used with both 14v and 28v systems.
Its 20 amp and (1) side turns off/on the alternator.
1.3" long
1.85" wide
1" tall
