Cessna Aircraft - Master Switch 28V - S3272-1-1
Genuine OEM Part
Description: Master Switch 28V
Part Number: S3272-1-1
Alternate Part Numbers: S1843-1
Product Overview
This switch is commonly seen in Cessna aircraft. It is a dual switch used to turn on the main alternator and main battery. The switch is designed in a way that the battery must be turned on first before the alternator can be engaged. The drawing below is a generic reference drawing.