0 ratings
Item #:
35414812
Hot Bed Power Expansion Board Heating Controller MOSFET High Current Load Module 25A 12V or 24V for 3D Printer
Item #:
35414812
RWF 18990
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
In stock
Imported from USA store
QTY:
Only 7 items left in stock.
Order now and get it around Sunday, September 06
Secured transaction
Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.
Our Top Logistics Partners
Make sure that the cables from the controller board to hotbed can withstand high current
Fast
Shipping
Free
Return*
Secure Packaging
100% Original Products
PCI DSS Compliance
ISO 27001 Certified
Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.
What Stands Out
High Current Capacity
Designed for high current applications, this module can handle up to 25A, ensuring reliable performance and consistent heating for 3D printers, making it ideal for demanding printing tasks.
Dual Voltage Support
Compatible with both 12V and 24V power systems, this heating controller offers versatile usage options for various 3D printer setups, accommodating different preferences and requirements.
Enhanced Safety Features
Incorporating MOSFET technology, this board minimizes heat build-up and enhances safety, providing peace of mind while maintaining optimal operational efficiency, thus addressing common user concerns in high-load scenarios.
Product Details
Product Technical Details
| Package Dimensions | 3.07 x 2.6 x 1.65 inches |
| Item Weight | 1.44 ounces |
| Manufacturer | ReliaBot |
Who Should Buy?
-
3D Printer Users
Ideal for 3D printer enthusiasts seeking reliable, high-current heating solutions for improved printing performance.
-
DIY Electronics Hobbyists
Perfect for hobbyists needing a robust power module for custom electronics projects requiring temperature control.
-
Heavy Load Applications
Beneficial for applications involving high current loads, ensuring efficient heat distribution in various setups.
-
Casual Users
Not suitable for casual users who do not require a high-current load or detailed heating control.
Product Description
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What is the purpose of the ReliaBot MOSFET Hot Bed Power Expansion Board?
Answer: The ReliaBot MOSFET Hot Bed Power Expansion Board is designed to control and manage the power supply to the heated bed of a 3D printer. By offering high current handling capabilities of up to 30A, this module helps ensure that your heated bed reaches the desired temperature quickly and maintains consistent heating. This is crucial for achieving the best print quality, as uneven heating can lead to warping or adhesion issues. Such a module is particularly useful in larger 3D printers that require more robust heating solutions to support larger print volumes. -
Question:
How does the cooling fan work with the power expansion board?
Answer: The cooling fan integrated with the ReliaBot Hot Bed Power Expansion Board plays a crucial role in maintaining optimal operating temperatures. It helps to dissipate heat generated by the MOSFET, preventing overheating during prolonged use. This extra cooling ensures that the board operates efficiently and reliably, extending its lifespan and improving performance. Users can benefit from this feature particularly in scenarios with extended printing sessions or when using high-temperature materials. -
Question:
Can I use this expansion board with both 12V and 24V systems?
Answer: Yes, the ReliaBot expansion board is versatile and compatible with both 12V and 24V systems. This dual-voltage capability permits flexibility in various 3D printer setups, allowing you to choose the power system that best suits your needs. When set up correctly, it can efficiently handle high current loads without compromising performance, ensuring that a wide variety of printers can benefit from its features. This is especially advantageous when upgrading an existing printer or building a custom setup. -
Question:
What advantages does a MOSFET module offer compared to standard relay boards?
Answer: MOSFET modules, such as the ReliaBot Hot Bed Power Expansion Board, provide several advantages over traditional relay boards, primarily faster response time and higher efficiency. MOSFETs can switch on and off more rapidly than relays, minimizing power loss and enhancing the overall performance of your 3D printer. Additionally, MOSFETs typically handle higher currents better, making them suitable for high-demand applications like heated beds. Users will notice increased reliability and potentially improved print quality as a result. -
Question:
Is installation of the ReliaBot expansion board complicated?
Answer: The installation of the ReliaBot Hot Bed Power Expansion Board is straightforward, particularly for those with basic understanding of electronics and 3D printers. It typically involves connecting the board in line with the heated bed and the printer's power supply, where clear instructions are usually provided. Precise wiring ensures compatibility and avoids any misconfiguration. This accessibility makes it a popular choice for both hobbyists and professionals looking to enhance their printing setup without complexity. -
Question:
Can this board help improve print adhesion on the heated bed?
Answer: Yes, the ReliaBot MOSFET Hot Bed Power Expansion Board can contribute significantly to improving print adhesion. By providing steady and consistent power to the heated bed, it ensures the temperature remains optimal for materials like PLA and ABS, which require specific heat levels for proper adhesion. This consistent heating helps prevent warping and lifting during prints, thereby enhancing overall print quality and success rates. Users will find it especially beneficial when working with larger prints that are more prone to adhesion issues. -
Question:
What types of 3D printers can benefit from using this expansion board?
Answer: The ReliaBot Hot Bed Power Expansion Board is compatible with a wide variety of 3D printers, especially those that need extra power management capabilities. It is ideal for larger or high-performance printers that have heated beds with higher wattage requirements. Whether you own a Cartesian printer, a CoreXY design, or a delta printer, integrating this module can enhance your machine’s performance. It's also beneficial for DIY enthusiasts who build custom 3D printers needing efficient and effective heating solutions. -
Question:
How does this module protect against high current loads?
Answer: The ReliaBot MOSFET Hot Bed Power Expansion Board is equipped with built-in features designed to handle high current loads safely. The MOSFET technology allows for efficient current dispersal, reducing heat buildup, and ensuring that the board remains within operational limits. This protective design minimizes the risk of overheating and potential damage to the board or connected components. Users should find this particularly reassuring when operating high-demand setups or during lengthy printing sessions. -
Question:
What materials is the ReliaBot expansion board made from?
Answer: The ReliaBot MOSFET Hot Bed Power Expansion Board is constructed from high-quality materials that provide durability and thermal efficiency. Typically, it features a robust PCB substrate with reliable connectors designed to handle high currents. Additionally, the components are specifically chosen to withstand the rigors of prolonged use in a heated environment, which is essential for maintaining stability during 3D printing. This construction quality ensures longevity and reliability in both casual and professional applications. -
Question:
Where can I buy the ReliaBot Hot Bed Power Expansion Board in Rwanda?
Answer: You can purchase the ReliaBot 12V or 24V 30A MOSFET Hot Bed Power Expansion Board with Cooling Fan Heating Controller from Ubuy. Ubuy provides a convenient online shopping experience for a variety of electronic components, including this power expansion board. They offer various shipping options and often have detailed product descriptions and reviews to help you make an informed decision. Make sure to check Ubuy's platform for availability in your region.
ReliaBot 3D Printer Accessories Editorial Review
The ReliaBot 12V or 24V 30A MOSFET Hot Bed Power Expansion Board is a recommended upgrade to most OEM heatbed control boards. The board is sturdy and comes equipped with a cooling fan that only runs when the heated bed is in use. The MOSFET used is known to be a reliable part, although the heat dissipation capability of the heat sink is limited to keep safety in mind. The max current suggested is around 30A, which is adequate for most hot beds. Installation is easy, and the JST connector makes it simple to connect. However, the connection wires that carry switching loads to the mainboard are poorly made.
Customer Reviews & Ratings
73 customers ratings
-
5 Star
80%
-
4 Star
10%
-
3 Star
7%
-
2 Star
3%
-
1 Star
0%
Review this product
Share your thoughts with other customers
Pros
- Sturdy and reliable
- Comes with a cooling fan that runs only when the bed is in use
- Easy to install with a JST connector
- Effective replacement for MOSFETs in CR-10 style printers
Cons
- The connection wires are cheap and poorly made
Platform Trust & Buyer Confidence
MA
Mohammad
Verified buyer
“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”
23 July 2026 · via Trustpilot
CK
Chitra
Verified buyer
“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”
22-Jul-26 · via Trustpilot
K
kund
Verified buyer
“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”
23-Jul-26 · via Trustpilot
OO
Onesi
Verified buyer
“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”
22 July 2026 · via Trustpilot
SJ
SAO JOHN
Verified buyer
“Ubuy is a great online platform to buy stuff. Reliable, fast delivery time and great value for money. I've been using Ubuy online shopping platform for three years now and will continue to do so.”
23 July 2026 · via Trustpilot
Secure Checkout
Global Delivery
Easy Returns
Genuine Products
Product Price History
Important information
- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
- Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.
RWF 18990
Order now and get it around Sunday, September 06
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
QTY:
Only 7 items left in stock.
Secured transaction
PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.
Our Top Logistics Partners
Fastest cross-border delivery
Features & Benefits
- 12V / 24V Over 30A Heating Controller for 3D Printer Hot Bed
- Max power of heated bed: Over 360W (12V) or 720W (24V)
- Thermal paste applied between heat sink and MOSFET chip
- Fan for better cooling
- Use a 24V power supply for high current heat bed
- Ensure cables can withstand high current
Ubuy Assurance
Experience worry-free shopping with 100% original products, PCI DSS-compliant payment security, ISO 27001-certified data protection, the fastest cross-border delivery, free returns *, and secure packaging on every order.