Overview
The FMS 70A Brushless ESC (Electronic Speed Controller) with 200mm length input cable (Model PRESC017) is a professional-grade electronic speed controller designed for RC hobbyists and enthusiasts who demand reliable, high-performance power management in their brushless RC vehicles. Whether you are upgrading an existing RC car UK setup or building a new brushless RC model from scratch, this ESC provides the precision control and durability that serious RC pilots and drivers expect. The 70-amp continuous current rating makes this ESC suitable for a wide range of RC applications, from nimble racing builds to powerful basher configurations.
This brushless electronic speed controller is engineered to deliver smooth throttle response, consistent power delivery, and advanced electronic protection features that keep your motor and battery safe during demanding RC sessions. The 200mm length input cable provides excellent flexibility when installing the ESC into confined spaces within your RC chassis, allowing you to route power cables neatly and securely without requiring additional extensions or modifications. For UK RC enthusiasts looking for a dependable, ready-to-integrate speed controller that combines affordability with proven performance, the FMS 70A represents outstanding value and compatibility with most modern brushless RC systems.
The FMS 70A Brushless ESC has earned recognition among RC hobbyists for its straightforward operation, robust construction, and ability to handle the demands of both recreational weekend bashing and competitive racing. If you are building your first brushless RC car UK or refreshing an existing platform with new electronics, this speed controller offers the reliability and features you need to enjoy consistent, trouble-free operation on track or off-road.
Key Features
- 70-Amp Continuous Current Rating — This ESC is rated to handle 70 amps of continuous current, making it suitable for powerful brushless motors in a wide variety of RC vehicles including 1/10 scale buggies, trucks, and truggy platforms, ensuring your motor receives stable, protected power delivery.
- 200mm Length Input Cable — The generous 200mm input cable length gives you flexibility when routing power from your battery pack to the ESC, eliminating the need for external extensions and allowing clean cable management inside your RC chassis without compromising safety or reliability.
- Brushless Motor Compatibility — This ESC is specifically designed to work with brushless motors across a wide range of KV ratings and configurations, making it a versatile choice whether you are running a high-speed racing motor or a more moderate touring setup.
- Advanced Electronic Protection — Built-in protection circuits safeguard your brushless motor, ESC, and battery from common issues such as over-temperature conditions, low voltage cut-off, and reverse polarity, extending the lifespan of your RC equipment and preventing costly damage during use.
- Smooth Throttle Response — Engineered for precise throttle control and consistent power delivery, this speed controller provides the responsive handling characteristics that RC enthusiasts demand, whether performing sharp cornering manoeuvres or maintaining steady acceleration during high-speed runs.
- Easy Installation Integration — The FMS 70A integrates seamlessly with standard RC radio systems and existing brushless RC setups, requiring no complicated calibration or configuration—simply connect your battery, receiver, and motor for immediate operation.
Technical Performance
The FMS 70A Brushless ESC delivers professional-level performance and reliability for demanding RC applications. With a 70-amp continuous current rating, this speed controller is engineered to provide stable power delivery to brushless motors across a comprehensive range of configurations. The 200mm length input cable ensures clean power routing from your LiPo or LiIon battery pack to the motor, minimising voltage drop and maintaining consistent performance throughout your RC sessions. The ESC features advanced electronic protection circuitry that monitors temperature, voltage, and current draw in real time, automatically cutting power or throttling performance if conditions exceed safe operating parameters. This intelligent protection system prevents thermal runaway, protects against accidental low-voltage discharge that could damage your battery, and safeguards against reverse polarity connection errors. The controller is compatible with standard 2S, 3S, 4S, and higher LiPo battery configurations, making it adaptable to different power levels and RC vehicle types. Whether you are running a nimble 1/10 scale touring car, a powerful 1/8 scale buggy, or a high-performance truggy platform, the FMS 70A provides the current handling capacity and thermal management necessary for reliable long-term operation. The brushless motor compatibility spans a wide range of KV ratings, allowing you to pair this ESC with everything from low-speed, high-torque crawler motors to lightning-fast 4000+ KV racing motors, giving you exceptional flexibility in motor selection and performance tuning.
What's in the Box
- FMS 70A Brushless ESC with 200mm length input cable
What You Need to Complete
- LiPo or LiIon battery pack (2S, 3S, 4S, or higher configuration depending on your motor choice)
- Brushless motor compatible with 70A ESC rating
- RC radio system transmitter and receiver
- RC vehicle chassis and body
- Servo for steering control (if not already installed)
- Battery charger compatible with your chosen battery chemistry
Frequently Asked Questions
- Is the FMS 70A Brushless ESC suitable for beginners? — Yes, this ESC is ideal for newcomers to brushless RC cars UK because it offers straightforward installation, automatic protection features that prevent common mistakes, and compatibility with a wide variety of batteries and motors available in the UK RC market.
- What battery does the FMS 70A Brushless ESC require? — The FMS 70A is compatible with 2S, 3S, 4S, and higher LiPo battery configurations. Your choice of battery voltage should match your motor's specifications and your desired performance level—higher voltage batteries deliver more power and speed, whilst lower voltage configurations prioritise runtime and gentler acceleration characteristics.
- Can I use the FMS 70A Brushless ESC in my existing RC car UK setup? — Absolutely. This ESC integrates with standard RC radio systems and brushless motor configurations, so if you are replacing an older or damaged ESC in your current RC vehicle, installation typically requires only connecting your battery, receiver, and motor—no complex reprogramming or modifications necessary.
- What is the advantage of the 200mm input cable length? — The generous 200mm cable length gives you significant flexibility when routing power through your RC chassis, eliminating the need to purchase external cable extensions and allowing you to create a clean, safe installation that minimises electromagnetic interference and voltage loss.
- What protection features does this ESC offer? — The FMS 70A includes over-temperature protection to prevent thermal damage during extended use, low-voltage cut-off to protect your battery from over-discharge, and reverse polarity protection to guard against accidental wiring mistakes that could damage your equipment.
- Is this ESC suitable for racing applications? — Yes, the 70-amp current rating and responsive throttle control make this ESC well-suited for competitive racing environments, whether you are competing in 1/10 scale touring car events, 1/8 scale buggy competitions, or other brushless RC racing formats popular across the UK.
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 FMS 70A BRUSHLESS ESC (WITH 200MM LENGTH INPUT CABLE) PRESC017 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.
- Model Number: PRESC017
- Product Name: FMS 70A Brushless ESC
- ESC Type: Brushless Electronic Speed Controller
- Continuous Current Rating: 70 amps
- Input Cable Length: 200mm
- Motor Compatibility: Brushless motors across range of KV ratings
- Battery Compatibility: 2S LiPo, 3S LiPo, 4S LiPo, and higher configurations
- Protection Features: Over-temperature protection, low-voltage cut-off, reverse polarity protection
- Throttle Response: Smooth and responsive
- Installation Type: Standard RC radio system integration
- Application Suitability: 1/10 scale buggies, 1/10 scale trucks, 1/8 scale buggies, truggy platforms, racing and bashing
We want to make sure your delivery goes smoothly, so here are some important details about our service:
- For orders above £120, we offer delivery to most mainland UK addresses. For orders under £120, we can still deliver to Northern Ireland and the outlying isles, as long as the item can be sent by Royal Mail, weighs less than 30kg, and fits within 61cm × 46cm × 46cm. Some highland and remote areas may carry an extra delivery charge as couriers often apply surcharges in these locations. If you live in one of these areas, feel free to contact us before ordering so we can confirm the delivery options and costs for you.
- Most of our products include delivery in the price. If your order is under £90, a small delivery fee will apply but do not worry this will always be clearly shown at checkout before you complete your purchase.
- Depending on what you choose at checkout, your order will usually be delivered either the next working day or within 2 working days. For next day delivery please place your order before 2:00pm. Orders are dispatched Monday to Friday only. Some items may take a little longer and if that is the case we will always show the expected delivery time on the product page.
- If your order includes items with different dispatch times we will normally wait and send everything together once all items are in stock. If one of the items is going to take a while we will give you the choice either wait for everything to arrive or let us send the available items now and deliver the rest later. It is up to you.
- We use trusted delivery partners to make sure your order gets to you safely and on time. We use DPD for next working day deliveries and Royal Mail for the 2 day option.
- As soon as your order is on its way we will send you a tracking number by email. If you provide your mobile number at checkout we will also send delivery updates straight to your phone so you can keep an eye on progress.
- If a product is marked as "Dispatched within 3 working days" delivery usually takes around 3 to 5 working days from when your order is placed.
- For customers in Inverness and other parts of the Scottish Highlands deliveries can take up to 2 working days even if you select next day delivery as couriers do not currently offer a guaranteed next day service to those areas.
