Firma 85A Brushless Smart ESC / 3300Kv Sensorless Motor Combo

Firma 85A Brushless Smart ESC / 3300Kv Sensorless Motor Combo

$129.99
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Firma 85A Brushless Smart ESC / 3300Kv Sensorless Motor Combo

Firma 85A Brushless Smart ESC / 3300Kv Sensorless Motor Combo

$129.99
Smart Telemetry Real time battery and performance data
Brushless Power High efficiency 3300Kv motor performance
Waterproof Design All weather driving confidence built in
Plug And Play Ready to install no soldering required
1/10 Scale Ready Ideal for 4WD surface vehicles
Advanced Protection Multi point electronic system protection

In Stock

SKU: SPMXSEMC01
Part #: 100022847
45+ YEARS IN BUSINESSServing since 1978
REPAIR SERVICESRC Cars, Planes, Boats, Drones & More
AUTHORIZED DEALERGenuine products from top brands
FAST SHIPPINGNext day shipping anywhere in the country.
EASY RETURNSIn-stock items returnable within 30 days
Smart Power System IntegrationNext Generation RC Telemetry Performance

The Spektrum Firma 85A Brushless Smart ESC / 3300Kv Sensorless Motor Combo brings cutting-edge telemetry and high-torque power directly to your 1/10 scale RC car without requiring complicated external sensors. Driven by a fast 32-bit ARM M4 processor, this waterproof electronic speed control and brushless motor system feeds real-time operating data straight to your Spektrum Smart transmitter. Upgrade your surface vehicle to experience seamless plug-and-play operation combined with industry-leading electronics safety.

Unmatched Efficiency And PowerEngineered For Peak RC Performance

Designed specifically for 1/10 scale 4WD surface applications running on 2S to 3S LiPo setups, the Spektrum Firma 85A Brushless Smart ESC / 3300Kv Sensorless Motor Combo delivers extraordinary speed, efficiency, and system monitoring. The bundled Firma 3300Kv sensorless brushless motor pairs perfectly with the 85A Smart ESC, which features an aluminum heat sink and integrated cooling fan to maintain ideal operating temperatures under heavy loads. With built-in low-voltage cutoff, thermal protection, and an adjustable high-current BEC (6V/7.4V @ 4A), this complete RC car motor combo guarantees maximum power output and reliable telemetry feedback for every bash session or race.

Technical SpecificationsDetailed ESC And Motor Parameters
Input Voltage 2-3S LiPo for included motor
Maximum Continuous Current 85A ESC / 33A Motor
Maximum Burst Current 550A
Motor Type Brushless - Sensorless
Motor Size / KV 3300Kv
Connector Type IC3
BEC Type Switch Mode (switch)
BEC Voltage 6V / 7.4V Adjustable
BEC Continuous Current 4A Continuous / 8A Burst (current)
Outer Diameter 1.41 in (36 mm) (ruler)
Product Length 1.7 in (43 mm) (ruler)
Product Width 2.1 in (53 mm) (ruler)
Product Height 1.3 in (33 mm) (ruler)
Shaft Diameter 0.125 in (3 mm) (gear)
Drive Type Forward / Brake / Reverse (control)
Water-Resistant Yes
Programmable Yes
Technology Smart Technology
Key System FeaturesAdvanced Capabilities And Components
Smart TelemetrySingle-wire real-time telemetry data transmission
Waterproof ConstructionFully waterproof design for all-weather driving
Powerful ProcessorFast 32-bit ARM M4 processor for precise response
High Output BECAdjustable BEC output offering 6V or 7.4V at 4 Amps
Comprehensive ProtectionFeatures over-current, low-voltage cutoff, and thermal failsafes
Ready To InstallPre-wired high-heat IC3 connectors with zero soldering required
Efficient Thermal ManagementRugged plastic case with aluminum heat sink and cooling fan
Flexible ProgrammingProgram via button, Smart ESC Programming Box, or SmartLink application
Frequently Asked QuestionsEverything you need to know
Is the Spektrum Firma 85A Brushless Smart ESC / 3300Kv Sensorless Motor Combo fully waterproof?

Yes, the Spektrum Firma 85A Brushless Smart ESC is fully waterproof, allowing you to run your RC car through wet conditions, mud, and water puddles without damaging your power system.

What battery input is recommended for the Spektrum Firma 85A Brushless Smart ESC / 3300Kv Sensorless Motor Combo?

The Spektrum Firma 85A Brushless Smart ESC / 3300Kv Sensorless Motor Combo is designed to run on 2S to 3S LiPo battery configurations. Do not exceed 3S LiPo power with the included 3300Kv motor.

Do I need additional sensors for telemetry with the Spektrum Firma 85A Brushless Smart ESC / 3300Kv Sensorless Motor Combo?

No additional sensors or modules are required. The Spektrum Firma 85A Smart ESC transmits telemetry data such as RPM, temperature, and battery voltage over a single wire connection to compatible Spektrum Smart transmitters.

What scale vehicles work best with the Spektrum Firma 85A Brushless Smart ESC / 3300Kv Sensorless Motor Combo?

This combo is hand-picked and ideal for 1/10th scale 4WD surface RC vehicles including monster trucks, stadium trucks, buggies, and short course trucks.