Textron Cessna Grand Caravan Ex 208B Pilot's Operating Handbook And Faa Approved Airplane Flight Manual page 784

SECTION 9 - SUPPLEMENTS CESSNA
SUPPLEMENT 8 MODEL 208B 867 SHP
GARMIN G1000
300 AMP STARTER GENERATOR
GENERAL
The starter generator is mounted on the top of the accessory case at
the rear of the engine. The starter generator is a 28 volt, 300 amp
engine-driven unit that functions as a motor for engine starting, and
after engine start, as a generator for the airplane electrical system.
When operating as a starter, a speed sensing switch in the starter
generator will automatically shutdown the starter, thereby providing
overspeed protection and automatic shutoff. The starter generator is air
cooled by an integral fan, and by ram air drawn from the engine
cowling.
Amperage is shown on the GEN AMPS readout of the EIS System
page.
An amber GENERATOR AMPS annunciation along with an amber
background GEN AMPS readout of the EIS system page indicates a
limitation has been exceeded, refer to Operating Limitations contained
in this supplement.
FAA APPROVED
208BPHCUS-S8-00
U.S.
S8-4