Overview
The Hobbywing 1/8th Electronic Power Switch (HW30850008) is an essential replacement component for serious RC enthusiasts running Hobbywing's latest generation of electronic speed controllers. This compact yet robust power switch is specifically engineered to work seamlessly with the XERUN XR8-SCT, EZRUN MAX10, and EZRUN SCT ESCs, making it the perfect upgrade or replacement part for your 1/8 scale RC car, truck, or buggy. Whether you're piloting a high-performance 1/8 off-road racer, a competitive 1/8 on-road pan car, or a recreational 1/8 truggy, this power switch delivers reliable electrical connectivity and switching performance that competitive RC drivers demand.
Built with professional-grade engineering and manufactured to the exacting standards Hobbywing is renowned for, this electronic power switch represents the ideal solution for pilots looking to maintain or upgrade their RC power systems. The switch is designed to work with 2-4S LiPo battery packs, making it compatible with most modern 1/8 scale racing platforms used across the UK's thriving RC community. From weekend bashers to competition-level racers, this is the genuine Hobbywing replacement component you need for reliable, consistent performance on the track or in the field.
RC Model Shop stocks this essential accessory to support the growing community of 1/8 scale enthusiasts throughout the UK. Whether you need a replacement after component failure or you're building a new system from scratch, the Hobbywing 1/8th Electronic Power Switch ensures your power distribution stays consistent and dependable through every run, every session, and every season of RC driving enjoyment.
Key Features
- Compatible with XERUN XR8-SCT ESC — This power switch is specifically designed to integrate with Hobbywing's XERUN XR8-SCT electronic speed controller, one of the most advanced 1/8 scale ESCs on the market, ensuring seamless operation and optimal signal transmission between your battery, ESC, and motor system.
- Works with EZRUN MAX10 and EZRUN SCT — Full compatibility with EZRUN MAX10 and EZRUN SCT speed controllers expands your options for 1/8 scale RC applications, whether you're running off-road buggies, truggies, or short-course trucks across varied terrain.
- 2-4S LiPo Battery Support — This power switch accommodates 2S, 3S, and 4S LiPo battery configurations, giving you flexibility in power levels and allowing you to choose the battery voltage that best suits your driving style and track conditions.
- Genuine Hobbywing Engineering — As an official Hobbywing replacement component, this power switch meets the manufacturer's strict quality standards and is built to provide the same reliability and performance characteristics as the original equipment in your ESC.
- Direct Plug-and-Play Installation — The power switch connects directly to supported Hobbywing ESCs without requiring complicated modifications or soldering, making it an excellent choice for quick replacements or system upgrades.
- Compact, Purpose-Built Design — Its streamlined form factor fits efficiently within tight engine bays and chassis layouts common in competitive 1/8 scale RC vehicles, helping maintain optimal weight distribution and chassis balance.
- Reliable Electrical Switching — The switch provides consistent, responsive power control that responds instantly to your throttle inputs, delivering the electrical performance required for smooth acceleration and reliable deceleration across all driving conditions.
- Professional-Grade Durability — Built from high-quality materials and engineered to withstand the electrical loads and thermal stresses associated with competitive RC racing, this component is designed to deliver season-long reliability.
Technical Performance
The Hobbywing 1/8th Electronic Power Switch represents a critical component in the modern RC power delivery chain. Engineered specifically for 1/8 scale platforms, this switch acts as the vital interface between your LiPo battery pack and your Hobbywing electronic speed controller, managing power distribution with precision and reliability. The unit is optimised to work with 2S through 4S LiPo battery configurations, providing the flexibility needed across different driving scenarios and competitive classes. Its compact dimensions allow integration into tight spaces within the chassis of contemporary 1/8 scale RC vehicles—whether you're running EZRUN MAX10 systems in a short-course truck, XERUN XR8-SCT units in an off-road buggy, or EZRUN SCT setups in a recreational truggy. The switching mechanism delivers instantaneous response to ESC commands, ensuring your throttle input translates immediately into motor performance without lag or delay. The engineering inside this compact component reflects Hobbywing's decades of experience manufacturing electronic power systems for demanding RC applications, with attention paid to component quality, thermal management, and long-term reliability under the vibration and electrical stresses inherent in competitive RC racing. Whether you're experienced with brushless RC systems or relatively new to the world of modern RC car electronics, you can trust that Hobbywing's design expertise ensures this power switch will perform consistently and reliably throughout its operational lifespan.
What's in the Box
- Hobbywing 1/8th Electronic Power Switch (HW30850008)
What You Need to Complete
- XERUN XR8-SCT, EZRUN MAX10, or EZRUN SCT electronic speed controller
- 2-4S LiPo battery pack
- 1/8 scale RC vehicle (buggy, truck, truggy, or short-course platform)
- Brushless motor compatible with your chosen ESC
- Radio control system (transmitter and receiver)
Frequently Asked Questions
- Which Hobbywing ESCs does the HW30850008 power switch work with? — This genuine Hobbywing replacement power switch is designed for use with the XERUN XR8-SCT, EZRUN MAX10, and EZRUN SCT electronic speed controllers, covering the majority of Hobbywing's 1/8 scale ESC lineup for off-road and on-road racing applications.
- What battery voltage does this power switch support? — The HW30850008 is compatible with 2S, 3S, and 4S LiPo battery packs, making it suitable for a wide range of driving preferences and competitive racing classes where different voltage levels are utilised.
- Is this a genuine Hobbywing product? — Yes, the HW30850008 is an official Hobbywing replacement component manufactured to original specifications, ensuring compatibility and performance that matches your ESC's engineering standards. RC Model Shop stocks only genuine Hobbywing products from authorised distributors.
- What is the difference between this power switch and aftermarket alternatives? — As an original Hobbywing component, this power switch is engineered specifically for the electrical characteristics and command protocols of Hobbywing ESCs. Genuine components ensure optimal signal integrity, faster response times, and reliability that matches your ESC's performance capabilities, whereas aftermarket alternatives may introduce signal delays or compatibility issues.
- How difficult is installation of the power switch? — Installation is straightforward and requires no soldering or complex modifications. The switch connects directly to your supported Hobbywing ESC through a direct plug-and-play connection, making it accessible even for RC enthusiasts with minimal electronic experience.
- Will this power switch work with my Traxxas or Losi 1/8 scale vehicle? — This power switch is specifically designed for Hobbywing ESCs. It will work in any 1/8 scale RC vehicle as long as you're using a compatible Hobbywing ESC (XERUN XR8-SCT, EZRUN MAX10, or EZRUN SCT), regardless of the vehicle brand or platform.
- Is the power switch suitable for beginners or only for experienced racers? — Whilst this is a replacement component primarily purchased by existing Hobbywing ESC users, it's equally reliable whether installed by competitive racers or hobbyists new to brushless RC systems. Its direct plug-and-play design requires no technical expertise to install.
- What performance benefit will I see from replacing a faulty power switch? — A faulty power switch may cause inconsistent throttle response, intermittent power delivery, or complete loss of motor control. Replacing it with a genuine Hobbywing unit restores the responsive, immediate power delivery your ESC was engineered to provide, ensuring smooth acceleration and reliable deceleration across all driving conditions.
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 HOBBYWING 1/8TH ELECTRONIC POWER SWITCH (XR8 SCT/MAX10) HW30850008 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.
- Product Name: Hobbywing 1/8th Electronic Power Switch
- Part Number: HW30850008
- Manufacturer: Hobbywing
- Scale: 1/8th
- Compatible ESCs: XERUN XR8-SCT, EZRUN MAX10, EZRUN SCT
- Battery Compatibility: 2-4S LiPo
- Type: Electronic Power Switch
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.