What is the purpose of the HobbyWing 30850003 ESC Switch Type B?

The HobbyWing 30850003 ESC Switch Type B is designed to enable the on/off control of your electronic speed controller (ESC) in RC vehicles like the EzRun 18A and XeRun 120A60A V2.1. By easily switching off the ESC, you can conserve battery life and prevent potential damage during handling. This switch is essential for hobbyists who frequently work on their setups, allowing for quick and safe power management.

What ESC models are compatible with the HobbyWing 30850003 ESC Switch Type B?

This switch is specifically compatible with HobbyWing's EzRun 18A, XeRun 120A60A V2.1, XTreme, and Justock ESC models. Compatibility is crucial for ensuring optimal performance and safety. Users should verify they are utilizing one of these models to avoid issues with installation and functionality. This is particularly important for competitive drivers needing reliable and effective performance.

How do I install the HobbyWing 30850003 ESC Switch Type B?

To install the HobbyWing 30850003 ESC Switch Type B, simply connect the switch to the designated ports on the compatible ESC. The installation typically involves connecting the battery wire to the switch and then plugging it into the ESC. Follow the manufacturer’s instructions for your specific ESC model, ensuring proper alignment and secure connections. Once installed, you can easily control the power with a simple flip of the switch, making it a handy accessory for any RC enthusiast.

Can I use the HobbyWing 30850003 ESC Switch Type B with other brands of ESCs?

The HobbyWing 30850003 ESC Switch Type B is primarily designed for HobbyWing ESC models, including the EzRun and XeRun series. While it may be physically possible to connect it to other brands, compatibility and functionality cannot be guaranteed. For optimal performance and safety, it is recommended to use the switch exclusively with the compatible models it was designed for.

Is the HobbyWing 30850003 ESC Switch Type B suitable for beginner RC users?

Yes, the HobbyWing 30850003 ESC Switch Type B is a great choice for beginner RC users. Its straightforward installation and operation allow newcomers to manage their RC vehicle's power without technical difficulties. Learning to use this switch can enhance a beginner's understanding of power management in RC vehicles, providing a practical step in mastering their hobby.

What features should I look for in an ESC switch?

When choosing an ESC switch like the HobbyWing 30850003, look for features such as compatibility with your ESC model, ease of installation, and durability. A reliable switch should provide robust performance under various conditions while also being simple to operate. Features like a clear indicator light or a responsive mechanism can enhance usability, making it easier to monitor the ESC status during use.

Can I make modifications to the HobbyWing 30850003 ESC Switch Type B?

While some experienced hobbyists might consider modifications to ESC switches for specific customizations, it’s important to note that altering the HobbyWing 30850003 ESC Switch Type B can void compatibility and safety features. It’s generally advisable to use it as designed to ensure safe operation and reliability. Beginners should especially avoid modifications until they have a solid understanding of ESC functionality and wiring.

What safety precautions should I take when using the ESC switch?

When using the HobbyWing 30850003 ESC Switch Type B, it’s essential to handle it with care. Always ensure that the power is off when connecting or disconnecting the switch to prevent accidental damage or injury. Avoid exposing the switch to moisture or extreme temperatures, which could compromise functionality. Taking these precautions can help maintain the longevity of the switch and the performance of your ESC.

How does the HobbyWing 30850003 ESC Switch Type B enhance performance?

The HobbyWing 30850003 ESC Switch Type B enhances performance by providing control over the power state of your ESC, enabling you to manage your battery life effectively. By using the switch, you can quickly cut power to your ESC when not in use, preventing unnecessary discharge. This feature is especially beneficial during long race events or practice sessions where managing power consumption is crucial for sustained performance.

Where can I buy the HobbyWing 30850003 ESC Switch Type B?

You can buy the HobbyWing 30850003 ESC Switch Type B from Ubuy in Isle of Man. Ubuy is a reliable e-commerce platform that stocks a variety of RC components, ensuring you have access to genuine products. By purchasing from Ubuy, you can also benefit from their user-friendly interface and helpful customer support, making your shopping experience smooth and efficient.

How to Shop HobbyWing 30850003 ESC Switch Type B for EzRun 18A, Online From Ubuy?

It’s easy to shop HobbyWing 30850003 ESC Switch Type B for EzRun 18A, online from Ubuy. You just have to search for the product, choose your shipping method while checking out and get it delivered to your location.

Is HobbyWing 30850003 ESC Switch Type B for EzRun 18A, Available to Shop Online in Isle of Man?

Yes, at Ubuy Isle of Man this product is available for you to shop at a reasonable price. The HobbyWing 30850003 ESC Switch Type B for EzRun 18A, is not available locally but you can trust us with our express shipping services.

How Long Does It Take to Get Product After Placing the Order?

The delivery time of your ordered product varies as per what you've ordered and the shipping method that you've chosen. The estimated delivery time is mentioned during the checkout process, so be carefree while shopping.

HOBBYWING

Made from high quality materials and designed for lasting performance.

HOBBYWING

Item #: 22918398

HobbyWing 30850003 ESC Switch Type B for EzRun 18A, XeRun 120A/60A V2.1, XTreme and Justock

87% of respondents would recommend this to a friend

Item #: 22918398

IMP 21

Price Details

Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )

^{*All items will import from US}

Availability : In stock

Imported from USA store

QTY:

Order now and get it around Tuesday, November 03

Secured transaction

Our Top Logistics Partners

Made from high quality materials and designed for lasting performance.

U-Care Warranty:

None

Select a Plan

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

Versatile Compatibility

Designed to work seamlessly with HobbyWing's EzRun 18A, XeRun 120A/60A V2.1, XTreme, and Justock ESCs, ensuring efficient performance across various models.

Enhanced Durability

Built with high-quality materials for improved endurance and reliability, this ESC Switch Type B provides long-lasting support, even in the most demanding conditions.

User-Friendly Design

Features an intuitive design for easy installation and operation, allowing hobbyists to quickly connect and switch settings without hassle, enhancing their overall experience.

Product Details

Operation Mode	Manual
Operating Voltage	120 volts
Contact Type	Normally Open
Connector Type	Micro Usb
Switch Type	Type B
Terminal	Screw
Circuit Type	1-way
Mounting Type	Panel Mount, Surface Mount
Actuator Type	Push Button
Number of Positions	1
Control Method	Touch
Connectivity Protocol	X-10
Compatible with Vehicle Type	RC Vehicle
Compatible Devices	JUSTOCK, XERUN-120A-V2.1, QUICRUN-10BL60-SENSORED
Color	Black
Item Dimensions	4.31 x 0.5 x 7.25 inches (10.9 x 1.3 x 18.4 cm)
Unit Count	1 Count
Number of Items	1
Material Type	Plastic
Contact Material	Plastic
International Protection Rating	IP00
Brand Name	HOBBYWING
Model	HWI30850003
Global Trade Identification Number	00088718501224
Manufacturer	HRP Distribution
UPC	088718501224
Included Components	ESC Switch Type B for EzRun 18A, XeRun 120A/60A V2.1, XTreme and Justock
Item Weight	0.01 kg
Part Number	HWI30850003
Brand	HOBBYWING
Material	Plastic
Item dimensions L x W x H	4.31 x 0.5 x 7.25 inches (10.9 x 1.3 x 18.4 cm)

What's in the box

ESC Switch Type B for EzRun 18A, XeRun 120A/60A V2.1, XTreme and Justock

Who Should Buy?

RC Enthusiasts
Perfect for hobbyists who want a reliable ESC switch for their RC vehicles and ensure smooth operation.
Racers
Ideal for competitive racers needing consistent power management and enhanced performance in high-adrenaline scenarios.
Upgraders
Great for users upgrading their ESC systems, providing compatibility with various HobbyWing models for improved reliability.

Beginners
Not suitable for beginners who may struggle with installation or understanding advanced ESC functionality.

Product Description

Have any Query? Chat with us

Customer Questions & Answers

Question: How to Shop HobbyWing 30850003 ESC Switch Type B for EzRun 18A, Online From Ubuy?

Answer: It’s easy to shop HobbyWing 30850003 ESC Switch Type B for EzRun 18A, online from Ubuy. You just have to search for the product, choose your shipping method while checking out and get it delivered to your location.
Question: Is HobbyWing 30850003 ESC Switch Type B for EzRun 18A, Available to Shop Online in Isle of Man?

Answer: Yes, at Ubuy Isle of Man this product is available for you to shop at a reasonable price. The HobbyWing 30850003 ESC Switch Type B for EzRun 18A, is not available locally but you can trust us with our express shipping services.
Question: How Long Does It Take to Get Product After Placing the Order?

Answer: The delivery time of your ordered product varies as per what you've ordered and the shipping method that you've chosen. The estimated delivery time is mentioned during the checkout process, so be carefree while shopping.

HOBBYWING Electric Speed Controllers Editorial Review

The HobbyWing 30850003 ESC Switch Type B is a basic switch that works well with EzRun 18A, XeRun 120A60A V2.1, XTreme and Justock. While it doesn't offer any bells and whistles, it gets the job done effectively. If you're in need of a reliable switch for your ESC, the HobbyWing 30850003 is a solid option.

Customer Reviews & Ratings

4.8

15 customers ratings

5 Star

85%
4 Star

15%
3 Star

0%
2 Star

0%
1 Star

0%

Review this product

Share your thoughts with other customers

Pros

Reliable switch for ESC
Compatible with various models

Cons

No additional features or functions

Platform Trust & Buyer Confidence

4.2/5 9704 reviews

Read reviews

Jasmin

Verified buyer

“Great products and very good service: very easy and very fast international delivery.”

9 September 2026 · via Trustpilot

Anke

Verified buyer

“Wonderful online shopping experience, smooth transaction from the start. Payment method works conveniently and delivery is unexpectedly fast and reliable. You go the extra mile for service. What makes this even more amazing, you deliver to Namibia. I will remain a happy Ubuy customer and will increase my purchases for sure! Thank you!”

10 September 2026 · via Trustpilot

Hazel

Verified buyer

“Very easy to find the products what you need, and so fast delivery, that’s why I highly recommended to others costumers to used ubuy.”

10 September 2026 · via Trustpilot

Opaleye

Verified buyer

“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”

11 September 2026 · via Trustpilot

Adele

Verified buyer

“Easy to find and order what you want on the website. Delivery is quick to the UK”

8 September 2026 · via Trustpilot

WHY SHOP WITH US

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.

IMP 21

Order now and get it around Tuesday, November 03

QTY:

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

High quality materials
Designed for lasting performance
Compatible with various RC products
Suitable for specific models like XERUN-120A-V2.1, JUSTOCK, QUICRUN-10BL60-SENSORED
Consult user's manual for exact parts listings
Ideal for enhancing RC product performance

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.

HobbyWing 30850003 ESC Switch Type B for EzRun 18A, XeRun 120A/60A V2.1, XTreme and Justock