Spektrum RC Firma 40A Lite Smart Waterproof Brushed ESC

Spektrum RC Firma 40A Lite Smart Waterproof Brushed ESC
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Price: $39.99

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Spektrum RC Firma 40A Lite Smart Waterproof Brushed ESC. This waterproof and ready to use ESC is an excellent option for most 1/10th scale RC models. Featuring programming options that make it easy to tune for your on-road and off-road racers, scalers, crawlers, and bashers. This Firma Smart ESC is packed with features such as Spektrum RC's SMART technology. SMART provides a one-wire solution for obtaining telemetry data such as temperature, battery voltage and capacity. Additionally the Firma 40A Lite offers a plethora of programmable tuning options giving you the utmost control over any application. 

  • Smart all-in-one telemetry
  • Smart Lite functionality:
    • Provides Spektrum Smart ESC data such as input voltage, esc temperature, esc amperage, RPM, and Text Gen Telemetry data over one wire. No additional sensors required. Smart Lite ESCs do not provide Smart Battery data.
  • Integrated LED light power outputs for simple installation without the need of additional receiver ports
  • Includes 2 LED Light Strings (Red and White)
  • 40 Amp continuous power – ideal for 1/10 scale crawlers and scalers
  • 2S-3S LiPo Compatible
  • Waterproof ESC*
  • Multiple options for easy programming:
  • Smart ESC Programming Box
  • SmartLink USB Updating and Programmer application
  • Programming from Transmitter via Text Gen Telemetry
  • Multi-point protection:
  • Over-current protection
  • Automatic LiPo low-voltage cutoff
  • Thermal protection
  • Failsafe protection
  • Developed and designed by Spektrum engineers, in partnership with the industry's leading ESC manufacturer
  • Compact for easy installation in most applications
  • Ready to install — no soldering required
  • Aluminum heat sink for high efficiency
  • Adjustable high-power BEC (6V or 7.4V, 4amp)
  • Firmware updatable through the Smart ESC Programming Box
  • High heat-resistant IC connectors, backwards compatible with EC connectors
  • Limited 1-year warranty
Motor Type: Brushed
Connector Type: 4mm Bullet, IC3
Motor Limit: 8.4V: Down to 12T / 12.6V: Down to 35T
Motor Size: 540 / 550 Size Brushed Motors
Length: 1.41" (36mm)
Height: 0.71" (18mm)
Width: 1.18" (30mm)
Weight: 1.69oz (48g)
Technology: Smart
Auto Cutoff: Yes
Low-Voltage Cutoff Programmable: Yes
Programmable: Yes
Reverse: Yes
BEC Continuous Current: 4A (Shared Between Receiver and Aux Light Outputs)
BEC Voltage: 6V / 7.4V User Selectable
Input Voltage
: 2–3 Cell Li-Po/Li-Fe; 5–9 Cell Ni-MH/Ni-Cd
Maximum Continuous Current: 40A
Maximum Burst Current: 160A
Water-Resistant: Yes

  • (1) Spektrum Firma 40A Brushed Smart ESC
  • (2) Light Strings (red and white)
  • (1) Product Manual

This product was added to our catalog on November 1, 2022