190-01115-01 G3X™/G3X Touch™ Avionics Installation Manual
Rev. AV Page 16-4
16.3.1 Power Specifications
The GSA 28 trim outputs are capable of sourcing a maximum of 1A of current to drive a DC trim motor at
12V, or a maximum of 500 mA of current to drive a DC trim motor at 24V.
To use the GSA 28 to drive DC trim motors requiring higher current, a third-party interface may be used
(see Figure 24-1.10
).
CAUTION
The DC trim motor connected to the GSA 28 should be rated for the full power supply
voltage being used to power the GSA 28. If the GSA 28 is connected by a 24-28V power
input, the trim motor must also be rated for 28V.
NOTE
The GSA 28 does not provide a voltage step-up service. To drive a 24V trim motor, the
GSA 28 must be supplied with 24V or higher.
16.3.2 Torque Specifications
Table 16-3 GSA 28 Power Specifications
Supply Voltage Current Draw
14 Vdc without Auto-trim 0.36 Amp (typical), 1.80 Amp (max)
28 Vdc without Auto-trim 0.20 Amp (typical), 1.00 Amp (max)
14 Vdc with Auto-trim 0.36 Amp (typical), 2.80 Amp (max)
Table 16-4 GSA 28 Torque Specifications
Characteristic Specification
Maximum Rated Torque 60 in-lbs
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