Spektrum SPMXSE40 Firma 40A Lite Brushed Smart ESC / 2S-3S IC3 Connector

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

 Needed to Complete
(1) Spektrum™ Surface Receiver
(1) 540 – 550 size Brushed motor
(1) 2S or 3S Lipo Battery with EC3 or IC3 Connector
(1) Spektrum Transmitter

Features
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

The Spektrum Firma 40 amp Brushed Smart ESC is waterproof and ready to use in 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.

Like every component in the Spektrum™ Smart ecosystem, Firma™ Smart ESCs combine "plug-and-play" simplicity with the ability to communicate with other Smart electronics — together, creating the best-performing RC system for your vehicle imaginable.

Firma Smart ESCs do much more than regulate power. They function like a virtual engineer inside your model, providing a direct path to the vital operating data you need to reach peak performance. Firma Smart ESCs give you an extra layer of confidence that your electronics are all operating at their best.

With Firma Smart ESCs, you'll be better connected to your vehicle than ever before — without installing extra components that all work independently of each other. You won't need extra wires, modules, or links. A Firma electronic speed control provides a one-wire solution for obtaining telemetry data such as motor current, temperature, battery voltage and capacity.
Firma ESCs not only gather the data but also send it to your transmitter in real time, instead of only storing it for after-run study. You're able to adjust settings as needed to boost performance on the go. The Firma Smart single-wire telemetry solution has been tested for quality and performance by the best brands in RC. Their verdict? Smart technology is both simpler and superior!

PRO-LEVEL DRAG BRAKE ADJUSTMENT
The Spektrum Firma 40 amp Brushed Smart ESC features a huge range of drag brake adjustability, allowing for drivers to expertly tune their models depending on their driven train and vehicle weight. Featuring fine levels of adjustability for Drag Brake Percentage and Drag Brake Rate that is perfect for tuning your crawlers and scalers for expert level rock crawling performance.

WATERPROOF
The all-weather, waterproof design of Spektrum™ Firma™ Smart ESCs allows them to perform in nearly any terrain under almost any conditions. Firma ESCs keep you going through dust, gravel, snow, and water.

MULTIPLE PROGRAMMING OPTIONS
Multiple programming options are available. Using the Smart Firma™ ESC Programming Box, you can easily change settings on the trail to suit driving conditions. An easy-to-use Smart Link USB Updating and PC Programmer app is also available. And for those with a Text Gen capable, programming and adjustment of ESC settings can be performed, right from your Spektrum transmitter, no additional modules or wires needed!

ONE-WIRE TELEMETRY 
No need to connect multiple wires, sensors, modules, and links. With Firma™ ESCs, simple one-wire telemetry transmits a wide range of data directly to your transmitter in real time, including voltage, temperature, and motor current.*

Product Specifications
Amperage 40A
Turns Below 8.4V; Down to 12T / Below 12.6V; Down to 35T
Product Width 1.18" (30 mm)
Technology Smart
Maximum Burst Current 160A
Maximum Continuous Current 40A
Motor Type Brushed
Forward Yes
Reverse Yes
Auto Cutoff Yes
BEC Continous Current 4A (Shared Between Receiver and Aux Light Outputs)
Low-Voltage Cutoff Programmable Yes
Product Weight 1.69 oz (48 g)
Programmable Yes
Water-Resistant Yes
Connector Type 4mm Bullet, IC3
Product Length 1.41" (36 mm)
BEC Yes
BEC Voltage 6V / 7.4V User Selectable
Input Voltage 2–3 Cell Li-Po / Li-Fe; 5–9 Cell Ni-MH / Ni-Cd
Motor Limit 540 / 550 Size Motors
Product Application Crawling, Surface
Product Height 0.71" (18 mm)