Emax SimonK Series Multirotor 30A Brushless ESC (Original) is a brushless dc motor speed controller. The low output resistance greatly enhances power stability, and this will improve the great battery life. Emax SimonK Series Multirotor 30A Brushless ESC is programmed to start the brushless dc motor. This ESC has a greater current handling capacity which is 30A continuous and the peak current is 40A for the last 10 seconds only.
100% Guaranteed of Original & Genuine Emax Product
Features :
Based on SimonK firmware, further optimized to the perfect drive performance.
Low-voltage protection, over-heat protection, and throttle signal loss protection.
Separate power supply for MCU and BEC, enhancing the ESC’s ability to eliminate magnetic interference.
Parameters of the ESC can be set via a program card or transmitter.
Throttle range can be set to be compatible with different receivers.
Equipped with built-in linear BEC or switch BEC.
Max speed: 210,000 rpm for 2-pole, 70,000 rpm for 6-pole, 35,000 rpm for 12-pole.
Specification
Item Type:
Brushless ESC
Model
Emax SimonK Series 30A
Burst Current (A)
40
Constant Current (A)
30
BEC (Y/N):
Yes
BEC
(5V/2A)
Compatible LiPO Batteries
2 to 3S
Color:
Black and Red
Dimensions (L x W x H) mm
52 x 26 x 7
Weight (g):
28
Application
BLDC Motors, Multirotors, Rc Planes etc.
Package Includes :
1x Emax SimonK Series Multirotor 30A Brushless ESC module.
Emax SimonK Series Multirotor 30A Brushless ESC Overview
The Emax SimonK Series Multirotor 30A Brushless ESC (Original) is a high-performance speed controller designed for 2S–3S LiPo–powered multirotor setups. Built on optimized SimonK firmware, it delivers smooth throttle response and reliable power delivery for racing quads, aerial photography rigs, and other brushless motor applications.
Key Features of Emax SimonK Series Multirotor 30A Brushless ESC
30A continuous current handling with 40A peak (10 sec) for short bursts of extra thrust
Compatible with 2 S–3 S LiPo battery input, ideal for lightweight multirotor builds
Linear 5 V/1 A BEC output to power flight controllers and onboard electronics
Built-in low-voltage cutoff, over-heat protection, and throttle signal loss safeguard
Separate power rails for MCU and BEC reduce magnetic interference and improve stability
100% genuine Emax product, shipped fast from Zbotic’s warehouse in India
Applications and Use Cases
FPV racing quads requiring crisp throttle response and reliable burst power
Aerial photography drones with 2 S–3 S battery setups for lightweight endurance flights
Custom hexacopter or octocopter frames where smooth ESC performance is critical
Educational robotics projects using brushless motors for propulsion and control
DIY drone upgrades to replace worn-out or lower-spec speed controllers
How to Use Emax SimonK Series Multirotor 30A Brushless ESC
To install the ESC, solder its three motor output wires to your brushless motor and connect the 3-pin signal cable to your flight controller’s throttle output. Plug in the 2 S–3 S LiPo battery through the XT60 lead, then power up your system while holding throttle high to enter SimonK programming mode. Calibrate throttle endpoints, confirm low-voltage cutoff settings, and arm your controller for flight-ready performance.
Why Buy from Zbotic?
Genuine Products: All items sourced from authorized distributors
Fast Shipping: Orders ship within 24 hours with tracking (non backordered products)
Free Shipping: Free delivery on qualifying orders
COD Available: Cash on Delivery, UPI, cards, net banking
Technical Support: Expert help for setup and troubleshooting
Easy Returns: Hassle-free replacement for defective products
Frequently Asked Questions
Q1: What battery voltage does this ESC support?
This ESC is designed for 2 S–3 S LiPo packs, providing optimal performance and efficiency for lightweight multirotor applications.
Q2: How long can it sustain the 40A burst current?
The 40A peak current rating applies for up to 10 seconds, allowing brief power boosts during aggressive maneuvers or lift-offs.
Q3: Does this ESC include a BEC output, and what is its rating?
Yes. It features a built-in linear BEC delivering 5 V at up to 1 A, suitable for powering flight controllers and lightweight telemetry modules.
The Emax SimonK Series Multirotor 30A Brushless ESC (Original) is a versatile (esc) drone speed controller used across a wide range of applications including brushless motor speed control, FPV drone builds, multirotor platforms, and RC aircraft.
Common use cases:
Controlling motor speed in a quadcopter
Replacing a burnt ESC after a short
Upgrading to BLHeli_32 for smoother throttle response
This product is ideal for drone builders and RC enthusiasts.
Technical Tip: Choose ESC amperage 20% above your motor's max draw. DShot600 protocol recommended for modern builds.
Shipping & Delivery
Free shipping on orders above ₹999 across India
Dispatched within 1-3 business days
Expected delivery: 3-7 business days depending on location
Secure packaging to ensure safe transit of electronic components
Genuine Emax product sourced from authorized channels
Country Of Origin: China
19 reviews for Emax SimonK Series Multirotor 30A Brushless ESC (Original)
Rated 4 out of 5
Shreyas Tandon (verified owner)–
Good product overall. My drone is flying well with this Emax SimonK Series Multirotor 30A Brushless. Satisfied with the purchase.
Rated 5 out of 5
Vijay Vyas (verified owner)–
Amazing build quality! This Emax SimonK Series Multirotor 30A Brushless is sturdy and lightweight at the same time.
Rated 5 out of 5
Hemant Chopra –
Bought this for my college drone project. Works great, professor was impressed!
Rated 5 out of 5
Hitesh Kamath (verified owner)–
Excellent Emax SimonK Series Multirotor 30A Brushless! Perfect for my quadcopter build. Arrived well packed and works flawlessly.
Rated 5 out of 5
Neha Deshpande (verified owner)–
Been using this Emax SimonK Series Multirotor 30A Brushless for 3 months now, zero issues. Great product.
Rated 5 out of 5
Hitesh Mishra (verified owner)–
Great Emax SimonK Series Multirotor 30A Brushless for beginners and professionals alike. Highly recommended for drone enthusiasts.
Rated 5 out of 5
Aryan Deshpande –
Bought this for my college drone project. Works great, professor was impressed!
Rated 5 out of 5
Krishna Agarwal (verified owner)–
Excellent product for the price. My drone flies smoothly with this Emax SimonK Series Multirotor 30A Brushless. Highly recommended!
Rated 4 out of 5
Amit Shetty (verified owner)–
Pretty good Emax SimonK Series Multirotor 30A Brushless. Works as expected for my drone project. Would buy again.
Rated 4 out of 5
Tanvi Rajan (verified owner)–
Good quality Emax SimonK Series Multirotor 30A Brushless. Minor scratches on arrival but functionally perfect.
Rated 4 out of 5
Harsh Tiwari (verified owner)–
Nice Emax SimonK Series Multirotor 30A Brushless, does the job. Delivery took a couple of extra days but product is solid.
Rated 5 out of 5
Sarthak Verma (verified owner)–
Been using this Emax SimonK Series Multirotor 30A Brushless for 3 months now, zero issues. Great product.
Rated 5 out of 5
Tanvi Naidu (verified owner)–
This Emax SimonK Series Multirotor 30A Brushless exceeded my expectations. Installed it yesterday and took a successful test flight today.
Rated 5 out of 5
Vansh Solanki (verified owner)–
Perfect for my agriculture drone project. This Emax SimonK Series Multirotor 30A Brushless handles the weight effortlessly.
Rated 5 out of 5
Yogesh Sharma (verified owner)–
Amazing build quality! This Emax SimonK Series Multirotor 30A Brushless is sturdy and lightweight at the same time.
Rated 5 out of 5
Yash Trivedi (verified owner)–
Very impressed with this Emax SimonK Series Multirotor 30A Brushless. My drone’s performance improved noticeably.
Rated 5 out of 5
Divyansh Grewal (verified owner)–
This Emax SimonK Series Multirotor 30A Brushless is exactly what I needed for my drone. Works perfectly, very reliable.
Rated 5 out of 5
Ishaan Kapoor (verified owner)–
This Emax SimonK Series Multirotor 30A Brushless is value for money. Comparing with other brands, Zbotic offers the best deal.
Rated 5 out of 5
Lalit Chopra (verified owner)–
Very impressed with this Emax SimonK Series Multirotor 30A Brushless. My drone’s performance improved noticeably.
Only logged in customers who have purchased this product may leave a review.
Shreyas Tandon (verified owner) –
Good product overall. My drone is flying well with this Emax SimonK Series Multirotor 30A Brushless. Satisfied with the purchase.
Vijay Vyas (verified owner) –
Amazing build quality! This Emax SimonK Series Multirotor 30A Brushless is sturdy and lightweight at the same time.
Hemant Chopra –
Bought this for my college drone project. Works great, professor was impressed!
Hitesh Kamath (verified owner) –
Excellent Emax SimonK Series Multirotor 30A Brushless! Perfect for my quadcopter build. Arrived well packed and works flawlessly.
Neha Deshpande (verified owner) –
Been using this Emax SimonK Series Multirotor 30A Brushless for 3 months now, zero issues. Great product.
Hitesh Mishra (verified owner) –
Great Emax SimonK Series Multirotor 30A Brushless for beginners and professionals alike. Highly recommended for drone enthusiasts.
Aryan Deshpande –
Bought this for my college drone project. Works great, professor was impressed!
Krishna Agarwal (verified owner) –
Excellent product for the price. My drone flies smoothly with this Emax SimonK Series Multirotor 30A Brushless. Highly recommended!
Amit Shetty (verified owner) –
Pretty good Emax SimonK Series Multirotor 30A Brushless. Works as expected for my drone project. Would buy again.
Tanvi Rajan (verified owner) –
Good quality Emax SimonK Series Multirotor 30A Brushless. Minor scratches on arrival but functionally perfect.
Harsh Tiwari (verified owner) –
Nice Emax SimonK Series Multirotor 30A Brushless, does the job. Delivery took a couple of extra days but product is solid.
Sarthak Verma (verified owner) –
Been using this Emax SimonK Series Multirotor 30A Brushless for 3 months now, zero issues. Great product.
Tanvi Naidu (verified owner) –
This Emax SimonK Series Multirotor 30A Brushless exceeded my expectations. Installed it yesterday and took a successful test flight today.
Vansh Solanki (verified owner) –
Perfect for my agriculture drone project. This Emax SimonK Series Multirotor 30A Brushless handles the weight effortlessly.
Yogesh Sharma (verified owner) –
Amazing build quality! This Emax SimonK Series Multirotor 30A Brushless is sturdy and lightweight at the same time.
Yash Trivedi (verified owner) –
Very impressed with this Emax SimonK Series Multirotor 30A Brushless. My drone’s performance improved noticeably.
Divyansh Grewal (verified owner) –
This Emax SimonK Series Multirotor 30A Brushless is exactly what I needed for my drone. Works perfectly, very reliable.
Ishaan Kapoor (verified owner) –
This Emax SimonK Series Multirotor 30A Brushless is value for money. Comparing with other brands, Zbotic offers the best deal.
Lalit Chopra (verified owner) –
Very impressed with this Emax SimonK Series Multirotor 30A Brushless. My drone’s performance improved noticeably.