General Description and Application
The Model M1435-EXP Mini-GPU is a specialized switching-mode power supply designed to provide
pilots and aviation maintenance professionals with a portable, affordable source of stable, high-current,
noise-free DC power that replicates the in-flight electrical environment. Its rated output is 14 Volts DC up
to 35 amps maximum continuous current. It is designed specifically for the owner/operator/maintainer of
Experimental/Amateur-Built (E/AB) aircraft. The GPU’s intended purpose is to energize aircraft’s main
electrical bus without using the battery or engine. It will safely provide continuous power for the most
delicate electronics and airframe systems up to its full rated output.
Typical Uses
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power avionics for flight planning, familiarization, and training
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update flight deck database and software
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troubleshooting and maintenance
FRONT PANEL VIEW
REAR PANEL VIEW
Special Features
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Color-coded, keyed SB-50 type output connections to prevent accidental voltage mismatch
(Yellow designates 12-14 volts compatibility)
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Dual digital output meters for voltage and current load
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Front panel status indicator LED
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Programmable auto-shutdown timer
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Dual USB power ports for mobile device charging
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QuietFiltered™ output for interference-free COM radio operation
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Auto protection/recovery from short circuit, reverse polarity, over voltage/load/temperature
Operating Conditions and Limitations
The M1435-EXP is internally fan-cooled and relies on unobstructed access for proper operation. The
GPU should operate on a clean, hard surface so that debris cannot be ingested. Its design assumes a
dry operating environment. If used outdoors, it is the operator’s responsibility to ensure that the unit is
not exposed to moisture.
The M1435-EXP is designed to provide airframe power only. It is not a battery charger. It does not
monitor the state-of-charge of the aircraft battery. It is not suitable for engine starting.
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Model M1435-EXP Manual P/N 752-790, Rev 20211029
