Overview
The ETRONIX PHOTON 3.0 50AMP BRUSHLESS ESC represents a significant leap forward in electronic speed controller technology for RC enthusiasts across the UK. Whether you're upgrading from a stock brushed system or building your first brushless RC car, this FTX wire specification controller delivers the performance, reliability and ease of use that modern RC hobbyists demand. Designed specifically for 1/10-scale off-road applications, the Photon 3.0 is the perfect foundation for brushless RC buggies, truggies, short-course trucks and stadium trucks, offering smooth throttle control, exceptional value and the kind of dependable power delivery that separates amateur builds from genuinely competitive setups.
This waterproof 50-amp brushless ESC combines professional-grade engineering with thoughtful beginner-friendly features. The sensorless brushless motor compatibility means you can pair it with a wide range of sensible KV-rated motors suited to most 1/10-scale off-road builds. What truly sets the Photon 3.0 apart is its programmable flexibility—sixteen different ESC parameters can be individually adjusted using the included ET0106 programmable setup card, allowing you to fine-tune every aspect of acceleration response, braking feel, motor rotation and power delivery to match your exact driving style and chassis setup. This level of customisation, once reserved for high-end competition ESCs, is now accessible to every RC car enthusiast in the UK looking to optimise their vehicle's performance.
Built for reliability in real-world off-road conditions, the Photon 3.0's waterproof design means you can push your RC car through muddy terrain, splashy water features and demanding outdoor environments without worrying about water ingress damaging your electronic components. The compact 48x38x32mm form factor (without cooling fan) and lightweight 95-gram construction make installation straightforward in tight ESC compartments across different RC chassis platforms. This is an ESC that works as hard as you do, whether you're a weekend basher enjoying casual off-road adventures or a serious competitor preparing for club racing events.
Key Features
- 50-Amp Continuous Current Rating — The 50-amp maximum continuous current capacity provides substantial power headroom for high-performance 1/10-scale brushless motors, ensuring you can demand full throttle without the ESC cutting out or thermal throttling mid-run, which means longer uninterrupted driving sessions and more consistent lap times.
- 300-Amp Burst Current Capability — Peak burst current rating of 300 amps delivers explosive acceleration when you need it most, allowing your RC car to launch hard from standstill or punch through challenging terrain without hesitation or performance limitation.
- Sensorless Brushless Motor Compatibility — Works seamlessly with sensorless brushless motors across the entire range of sensible KV ratings suitable for 1/10-scale off-road driving, giving you complete freedom in motor selection without requiring additional sensor wiring complexity.
- Waterproof Construction — Full waterproof design means the Photon 3.0 can operate reliably in wet conditions, muddy terrain and challenging outdoor environments where traditional electronics would fail, extending your driving season and venue options throughout the year.
- 16 Programmable Parameters via ET0106 Card — Using the included programmable setup card, you can adjust sixteen distinct ESC settings including throttle response, brake force, neutral range, motor rotation direction and more, transforming this single ESC into a perfectly customised controller for your specific driving preferences and chassis characteristics.
- Throttle Response Adjustment (1-3ms) — Fine-tune acceleration response from lightning-quick (1ms) to smooth and progressive (3ms), allowing you to dial in precisely how quickly your RC car responds to throttle input, whether you prefer responsive handling or forgiving control.
- Advanced Brake Tuning (0.1-3ms Brake Response) — Brake response can be tuned from instant (0.1ms) to delayed (3ms), letting you control how aggressively your RC car stops and enabling everything from competitive trail-braking techniques to smooth controlled deceleration.
- Coast Function (Off, 10-30 Settings) — When activated, the coast function allows your RC car to maintain momentum without immediate deceleration when you reduce throttle input, simulating realistic vehicle inertia and enabling smoother driving transitions.
- Adjustable Neutral Range (5-12%) — Set how much trigger or stick movement is required before the motor engages, preventing unwanted motor engagement and improving precision control at standstill or during delicate manoeuvres.
- Dual Force Controls (Forward and Reverse) — Maximum forward force (40-100%) and maximum reverse force (40-100%) parameters let you independently limit top speed in each direction, useful for technical courses where speed management is critical.
- Sophisticated Brake Force Management — Three-part brake tuning (minimum brake force, maximum brake force, and drag brake force) provides granular control over stopping power, from gentle coasting brakes to aggressive competition-level deceleration.
- Three Operating Modes — Choose between Forward/Brake (two-direction braking only), Forward/Brake/Reverse (three-direction with reversing), or Forward/Reverse (bidirectional without braking), matching your vehicle type and driving style.
- Flexible Reverse Engagement — Select between One-Shot reverse (single trigger pull engages reverse) or Two-Shot reverse (double trigger pull required), preventing accidental reversals during forward driving moments.
- Motor Direction Control (CW or CCW) — Electronically reverse motor rotation direction from clockwise to counter-clockwise or vice versa, eliminating the need for physical motor rewiring if your installation requires opposite spin direction.
- Automatic LiPo Cell Detection — When set to Auto mode, the ESC automatically detects whether your battery is 2S or 3S LiPo on power-up, eliminating the risk of incorrect voltage programming and protecting your battery from under-voltage damage.
- Thermal Protection (95°C or 105°C) — Selectable temperature thresholds automatically shut down the ESC if internal temperature exceeds safe limits, preventing permanent damage during extended high-performance driving or in hot weather conditions.
- 6V/3A BEC Output — Integrated battery elimination circuit provides regulated 6-volt power at 3 amps, sufficient to power receivers, servos and other accessories without requiring a separate battery, simplifying your RC car's electrical architecture.
- Compact Lightweight Design (95g) — Weighing just 95 grams and measuring only 48x38x32mm, the Photon 3.0 fits easily into tight ESC compartments across different RC platforms, keeping overall vehicle weight minimal for better performance.
- FTX Wire Specification — This controller features FTX-specific wiring connectors and pinouts, ensuring perfect compatibility with FTX RC vehicles and straightforward installation without adapter requirements.
Technical Performance
The ETRONIX PHOTON 3.0 50AMP BRUSHLESS ESC represents genuine engineering excellence in the mid-range speed controller category for 1/10-scale RC off-road vehicles. Constructed with professional-grade components throughout, this ESC delivers the kind of reliable performance that distinguishes quality equipment from budget alternatives. The 50-amp maximum continuous current rating is scientifically calculated to handle the sustained power demands of typical 1/10-scale brushless motors while maintaining thermal stability during extended driving sessions. The impressive 300-amp burst current capability ensures that even high-KV sensorless brushless motors receive the full electrical headroom they require during acceleration spikes, preventing the stuttering or power limitation that occurs when lesser controllers are overwhelmed. The waterproof design isn't merely a cosmetic upgrade—it represents genuine protection against moisture ingress, salt spray and mud contamination that would damage conventional ESCs, making this controller suitable for serious off-road bashers and muddy terrain environments. Battery compatibility spans 2-3S LiPo chemistry or 5-10 cell NiMH/NiCd packs, providing complete flexibility across different power sources and charging systems. The integrated 6V/3A battery elimination circuit supplies clean regulated power to your receiver and servos, eliminating complexity from your vehicle's electrical system. Programming is handled exclusively through the ET0106 setup card, which reads your preferences from a computer or phone app before you power on your RC car, ensuring your settings are permanently retained in the ESC's firmware. The compact 48x38x32mm form factor and lightweight 95-gram construction make installation straightforward across numerous 1/10-scale platforms including FTX buggies, truggies, short-course trucks and stadium trucks, without requiring custom mounting or modification of your chassis.
What's in the Box
- ETRONIX PHOTON 3.0 50AMP Brushless ESC (FTX Wire Spec)
- ET0106 Programmable Setup Card for parameter configuration
Frequently Asked Questions
- Is the ETRONIX PHOTON 3.0 50AMP ESC suitable for beginner RC enthusiasts in the UK? — Absolutely. Whilst this is a feature-rich ESC with sixteen programmable parameters, it's specifically designed with easy setup in mind. The included ET0106 programmable setup card handles all configuration outside the vehicle, eliminating complex menu navigation on the transmitter. Beginners can use sensible default settings immediately and gradually explore advanced tuning as their experience grows. The sensorless brushless compatibility simplifies motor selection, and the waterproof design means less worry about accidental damage during early learning experiences.
- What battery types and specifications does this ESC support? — The Photon 3.0 accepts 2-3S LiPo batteries (2-cell or 3-cell lithium polymer) or 5-10 cell NiMH/NiCd nickel-metal hydride and nickel-cadmium batteries. The automatic cut-off voltage detection works with LiPo packs when set to Auto mode, automatically identifying whether you're running a 2S or 3S battery and protecting against dangerous over-discharge. If you're using NiMH or NiCd batteries, set the cut-off mode to Off for proper operation.
- What motor types are compatible with this brushless ESC? — This ESC is designed exclusively for sensorless brushless motors across a full range of sensible KV ratings suitable for 1/10-scale off-road applications. The sensorless design means the motor doesn't require hall-effect sensors, simplifying wiring and reducing potential failure points. You cannot use this ESC with brushed motors or sensored brushless motors—it is specifically engineered for sensorless brushless technology only.
- How does the programmable setup card work, and why is it better than traditional menu programming? — The ET0106 programmable setup card works via your computer or smartphone app, allowing you to configure all sixteen ESC parameters offline before installation in your RC car. This approach is significantly more user-friendly than navigating complex menus using your radio transmitter's buttons. You simply connect the setup card to your device, adjust your preferred settings graphically, then power up your ESC with the card attached to transfer those settings permanently into the ESC's firmware. This system is especially valuable because it eliminates the frustration of accidentally changing settings mid-drive and ensures your tuning is exactly as intended.
- Can I use this ESC in wet or muddy conditions typical of UK off-road terrain? — Yes, the Photon 3.0's fully waterproof design is specifically engineered for wet and muddy conditions. Whilst you should still avoid dunking the ESC underwater indefinitely, it will reliably operate through splashing water, muddy terrain and rain-soaked driving sessions that would damage conventional electronics. The waterproof construction represents genuine protection, not merely splash-resistant coating, allowing you to push your RC car harder through challenging natural terrain throughout the British climate.
- How many adjustable settings does the ESC have, and what can I actually control? — You have sixteen distinct programmable parameters: throttle response (1-3ms), coast function (off or 10-30 levels), neutral range (5-12%), minimum throttle (5-16%), maximum forward force (40-100%), maximum reverse force (40-100%), brake response (0.1-3ms), minimum brake force (off or 15-50%), maximum brake force (50-100%), forward drag brake force (off or 20-100%), reverse drag brake force (off or 20-100%), motor rotation direction (clockwise or counter-clockwise), running mode (three options), reverse mode type (one-shot or two-shot), cut-off voltage (auto-detect or off), and thermal protection threshold (off, 95°C or 105°C). This comprehensive programmability transforms the Photon 3.0 into a truly customised controller matching your exact driving preferences.
- What is the difference between this Photon 3.0 and earlier ESC models? — Whilst the source material doesn't specify differences against previous ESC generations, the Photon 3.0 designation indicates this is the third evolution of Etronix's Photon ESC line, suggesting refinements in reliability, thermal management and programming flexibility. The 50-amp continuous rating with 300-amp burst capability positions this as a competent mid-range speed controller offering substantial power without the cost of high-end competition units, making it ideal for serious enthusiasts and developing competitors.
- Does the ESC come ready to use straight from the box? — The Photon 3.0 requires some setup before operation. You need to configure your specific parameters using the included ET0106 programmable setup card (connected to your computer or app) before powering on the ESC in your vehicle. Alternatively, if default settings suit your needs, you could theoretically use it immediately, but customising the sixteen parameters to match your motor, battery and driving style will optimise performance considerably. The setup process takes minutes and is far simpler than traditional menu-based configuration systems.
- What is the weight and physical size, and will it fit in my RC car? — The Photon 3.0 measures just 48x38x32 millimetres (without a cooling fan) and weighs only 95 grams, making it compact enough to fit into most 1/10-scale off-road chassis ESC compartments. The small footprint is particularly valuable in space-constrained vehicles like buggies and short-course trucks where electronics routing is critical. If your vehicle's ESC bay is particularly tight, verify clearance before purchasing, but most modern 1/10-scale FTX platforms accommodate this size comfortably.
- Is thermal protection important, and what do those temperature settings do? — Thermal protection is genuinely important for ESC longevity, particularly during extended high-performance driving or in hot weather conditions. You can set the protection to Off (no temperature monitoring), 95°C (aggressive protection for conservative operation), or 105°C (moderate protection for sustained high performance). When the selected temperature threshold is exceeded, the ESC automatically shuts down to prevent permanent damage, then cools down and resumes operation when temperature drops. Most competitive drivers select 105°C for performance driving, whilst conservative users prefer 95°C.
Why Buy from RC Model Shop?
RC Model Shop is a trusted UK RC retailer and authorised dealer for all the brands we stock, including Traxxas, ARRMA, Losi, FTX, Hobbywing, Spektrum and more. Based in Walsall, we have a physical store where customers are welcome to come in, view products and purchase in store. Whether you are a seasoned competitor, a weekend basher, or just discovering the world of RC for the first time, our team of experienced RC enthusiasts is here to help you find the perfect setup and provide ongoing support. Order the ETRONIX PHOTON 3.0 50AMP BRUSHLESS ESC - FTX WIRE SPEC ET0132FTX today with confidence, knowing you are buying from an authorised retailer with genuine products, expert knowledge and a commitment to customer satisfaction. Shop online or visit us in Walsall — we look forward to helping you get the most out of your RC experience.
- Brand: ETRONIX
- Model: PHOTON 3.0 50AMP BRUSHLESS ESC
- Model Number: ET0132FTX
- Wire Specification: FTX Wire Spec
- ESC Type: Sensorless Brushless Electronic Speed Controller
- Maximum Continuous Current: 50 Amps
- Burst Current: 300 Amps
- Motor Type: Sensorless Brushless Motor
- Battery Compatibility: 2-3S LiPo or 5-10 Cell NiMH/NiCd
- BEC Output: 6V/3A
- Waterproof: Yes
- Dimensions: 48x38x32mm (without fan)
- Weight: 95 grams
- Programming Method: ET0106 Setup Card Only
- Number of Programmable Parameters: 16
- Throttle Response Range: 1ms to 3ms
- Coast Function: Off, 10-30 settings
- Neutral Range: 5% to 12%
- Minimum Throttle: 5% to 16%
- Maximum Forward Force: 40% to 100%
- Maximum Reverse Force: 40% to 100%
- Brake Response Range: 0.1ms to 3ms
- Minimum Brake Force: Off, 15% to 50%
- Maximum Brake Force: 50% to 100%
- Forward Drag Brake Force: Off, 20% to 100%
- Reverse Drag Brake Force: Off, 20% to 100%
- Motor Rotation: Clockwise (CW) or Counter-Clockwise (CCW)
- Running Modes: 3 Options (Forward/Brake, Forward/Brake/Reverse, Forward/Reverse)
- Reverse Mode Options: One-Shot or Two-Shot
- Cut-Off Voltage: Off or Auto (Auto detects LiPo cell count)
- Thermal Protection: Off, 95°C, or 105°C
- Intended Scale: 1/10-scale off-road applications
- Compatible Vehicle Types: Buggy, Truggy, Short-Course Truck, Stadium Truck
- Included in Box: ETRONIX PHOTON 3.0 50AMP Brushless ESC, ET0106 Programmable Setup Card
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