- Brand: ARRMA
- Model Number: Z-ARA390290
- Product Type: ESC Cooling Fan
- Compatible ESC: BLX100, BLX120
- Fan Size: 25mm
- Dimensions: 25 x 25 x 10mm
- Material: Composite
- Quantity per Pack: 1
- EAN Code: 5052127032018
- Compatible Vehicles: ARRMA 1/10 Kraton 4X4 4S V2 BLX Speed Monster Truck RTR, ARRMA 1/10 Kraton 4X4 4S V2 BLX Speed Monster Truck RTR Green
- Installation: Direct replacement, no modifications required
- Cooling Type: Active fan cooling for ESC thermal management
Overview
The ARRMA BLX100 120 ESC Fan is an essential replacement cooling component designed specifically for ARRMA's BLX Electronic Speed Controllers. If you own a high-performance brushless RC car in the UK that uses the BLX100 or BLX120 ESC, this 25mm fan is a direct replacement part that keeps your electronic systems running at optimal temperature during intense driving sessions. Whether you're pushing your RC vehicle to its limits on the track or enjoying weekend bashing sessions, proper cooling of your ESC is critical to maintaining performance and extending the lifespan of your electronics.
This cooling fan is manufactured by ARRMA, a renowned producer of ready-to-run RC vehicles and components trusted by hobbyists and serious racers across the UK. The BLX100 120 ESC Fan is engineered to fit perfectly into your existing setup, offering a quick and straightforward replacement solution when your original fan needs servicing or upgrading. Whether you're looking to maintain your current RC car or preparing a backup cooling solution, this genuine ARRMA component ensures compatibility and reliability with your BLX-equipped brushless RC vehicle.
RC cars equipped with brushless motors and high-amperage ESCs generate significant heat during operation, particularly during extended runs or high-speed driving. The BLX100 120 ESC Fan provides active cooling to help maintain optimal ESC temperatures, which is essential for consistent performance and protecting your investment in quality RC equipment. This is especially important for competitive RC racing in the UK, where reliability and consistent performance can make the difference between winning and losing.
Key Features
- 25mm Cooling Fan Size — The compact 25mm diameter design is purpose-built to fit seamlessly into ARRMA BLX ESC enclosures, ensuring optimal airflow across the electronic components while maintaining the structural integrity of your speed controller unit.
- Tough Composite Material Construction — Built from durable composite materials that resist wear, vibration damage and the elements, providing long-lasting reliability through countless charging cycles and driving sessions, whether racing on tarmac or bashing through off-road terrain.
- Direct Replacement Design — This fan is specifically engineered as a direct replacement for the original BLX ESC fan, meaning no modifications or adapter brackets are required, ensuring a perfect fit and immediate functionality when installed on compatible ARRMA models.
- Easy Installation — The straightforward design allows for fast and efficient vehicle servicing, so you can quickly replace a worn or damaged fan and get back to driving without extended downtime or technical complications.
- Premium Performance in All Conditions — Whether you're racing in dry summer conditions or tackling wet UK weather, the BLX100 120 ESC Fan maintains consistent cooling performance, helping your ESC stay within optimal operating temperatures and preventing thermal throttling during demanding driving.
Technical Performance
The ARRMA BLX100 120 ESC Fan is engineered as a critical cooling component for high-performance brushless RC vehicles equipped with BLX Electronic Speed Controllers rated at 120 amps or higher. The 25mm fan dimensions (25 x 25 x 10mm) are precisely calculated to fit within the cooling duct of ARRMA's BLX ESC housings, providing maximum airflow efficiency without adding unnecessary bulk or weight to your RC car's electronic package. The composite material construction offers an excellent balance between lightweight design and structural durability, resisting the vibrations and impacts that are inevitable in RC driving whilst maintaining its cooling efficiency across hundreds of driving sessions. This fan is compatible with multiple ARRMA models including the 1/10 Kraton 4X4 4S V2 BLX Speed Monster Truck, demonstrating its versatility across ARRMA's BLX-equipped range. The fan's design prioritises active thermal management, which is essential for maintaining consistent ESC performance when running demanding loads that push brushless motors to their peak output.
What's in the Box
- 1 x ARRMA BLX100 120 ESC Fan (25mm)
Frequently Asked Questions
- Is the ARRMA BLX100 120 ESC Fan compatible with my RC car? — This fan is a direct replacement component for ARRMA BLX ESCs and is confirmed compatible with the ARRMA 1/10 Kraton 4X4 4S V2 BLX Speed Monster Truck models. If your RC vehicle is equipped with a BLX100 or BLX120 ESC, this 25mm fan should be the correct replacement. If you're unsure about your specific model's compatibility, we recommend checking your vehicle's documentation or contacting our expert team at RC Model Shop for confirmation before ordering.
- Why does my ESC need a cooling fan? — Brushless ESCs generate substantial heat during operation, especially when driving at high speeds or delivering maximum power output. Without adequate cooling, the ESC can experience thermal throttling, which reduces power output and responsiveness, and in extreme cases can cause component damage. The ARRMA BLX100 120 ESC Fan provides active cooling to maintain optimal operating temperatures, ensuring consistent performance and extending the lifespan of your expensive electronic components.
- How often should I replace my ESC cooling fan? — The lifespan of your cooling fan depends on how frequently you use your RC car and the driving conditions. Regular inspection is recommended, particularly if you notice reduced cooling performance or if the fan becomes damaged. The durable composite construction of this ARRMA fan is designed to withstand extensive use, but replacement may eventually become necessary after hundreds of driving sessions or if the fan sustains impact damage during crashes.
- Is this fan suitable for both on-road and off-road driving? — Yes, the ARRMA BLX100 120 ESC Fan is engineered to perform reliably in all driving conditions, including both on-road racing and off-road bashing. The tough composite material resists the dirt, moisture, and impacts that come with off-road driving, whilst the cooling performance remains consistent whether you're racing at high speeds on tarmac or navigating rough terrain.
- What is the difference between the BLX100 and BLX120 ESC fans? — This single fan model (Z-ARA390290) is designed as a direct replacement for both the BLX100 and BLX120 ESCs, meaning it is compatible with both variants of ARRMA's mid-to-high amperage speed controllers. The 25mm fan size is appropriate for the cooling requirements of both controller types.
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 ARRMA BLX100 120 ESC Fan Z-ARA390290 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.
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.
