Quanum 30A Multi-Copter Brushless Speed Controller Programmable with 5V/3A BEC (Original)

The Quanum 30A Brushless Speed Controller is a programmable electronic speed controller (ESC) designed specifically for multi-rotor unmanned aerial vehicles and quadcopters. This controller regulates power delivery to brushless motors by converting DC battery voltage into three-phase AC output with precise PWM signal interpretation from flight controllers. Professional drone builders, FPV racing enthusiasts, and commercial UAV operators rely on this ESC to achieve stable flight dynamics and responsive motor control in demanding aerial applications.

Product Overview

The Quanum 30A ESC operates on a closed-loop feedback system that monitors motor speed and adjusts commutation timing in real-time, ensuring smooth acceleration and deceleration profiles critical for multi-rotor stability. The controller features firmware-based programmability allowing users to customize throttle response curves, brake settings, and motor rotation direction without requiring external programming devices. Its low-voltage cutoff protection prevents battery over-discharge damage, while the integrated 5V/3A Battery Elimination Circuit (BEC) supplies clean regulated power to flight controllers, receivers, and servo systems without requiring separate power distribution modules.

This original Quanum variant incorporates high-frequency switching topology operating at 16kHz PWM frequency, minimizing electromagnetic interference and audible noise during operation. The compact form factor with integrated capacitors and thermal management design allows installation in space-constrained airframes while maintaining continuous 30A current capacity. Advanced users benefit from SimonK firmware compatibility, enabling custom tuning for specific motor and propeller combinations across 250mm to 600mm frame sizes.

Key Specifications

Specification	Details
Product Type	Programmable Brushless Electronic Speed Controller (ESC)
Brand	Quanum
Origin	Original/Authentic
Warranty	7 days on manufacturing defects
Shipping	1-5 days from Bengaluru
Delivery	7-8 days across India
Support	24/7 via Email and WhatsApp
Continuous Current Rating	30 Amperes
Burst Current Rating	40 Amperes (10 seconds maximum)
Input Voltage Range	2S to 4S LiPo (7.4V to 14.8V nominal)
BEC Output	5V regulated at 3A continuous
PWM Frequency	16 kHz switching frequency
Firmware	SimonK compatible, programmable via transmitter

Key Features

• Programmable firmware allows throttle response customization, brake force adjustment, and rotation direction configuration directly from RC transmitter without external programmer
• Integrated 5V/3A BEC eliminates need for separate power distribution board, reducing weight and complexity in multi-rotor builds
• Low-voltage cutoff protection automatically throttles motor output when battery voltage drops below safe thresholds, preventing LiPo cell damage and extending battery lifespan
• 16kHz high-frequency PWM switching minimizes electromagnetic noise and interference with flight controller gyroscopes and accelerometers
• Compact PCB design with integrated capacitors fits standard ESC mounting locations on racing frames and compact quadcopter builds
• Supports 2S through 4S LiPo battery configurations, making it versatile for 250mm racing drones to larger 600mm camera platforms

Applications and Use Cases

• FPV Racing Drones: Delivers responsive motor control required for aggressive acrobatic flying and gate racing with minimal latency between throttle input and motor response
• Photography and Videography Quadcopters: Provides smooth power delivery for stable camera gimbal operation on medium-weight platforms using 3S or 4S battery configurations
• DIY Drone Projects: Programmable nature allows hobbyists to tune ESC parameters for custom builds without purchasing specialized programming equipment
• Commercial UAV Systems: Reliable 30A continuous rating supports professional inspection and survey drones operating in demanding environmental conditions
• Autonomous Flight Platforms: Firmware compatibility with popular flight controllers enables integration into autonomous waypoint navigation systems and autonomous return-to-home functionality

How to Use

Begin installation by soldering the three motor wires (typically color-coded) to the ESC motor output terminals, ensuring consistent polarity across all four ESCs in multi-rotor applications. Connect the positive and negative battery leads to the main power input terminals, observing correct polarity to prevent component damage. Attach the signal wire from your flight controller to the signal input pin, typically marked as throttle or PWM input. The integrated BEC provides 5V output through dedicated pins that can power your flight controller, receiver, and auxiliary sensors simultaneously.

Programming is accomplished through your RC transmitter's programming menu or dedicated ESC configuration software. Access programmable parameters including low-voltage cutoff threshold (typically set between 2.8V and 3.0V per cell for LiPo protection), throttle response curve selection, motor rotation direction, and brake force intensity. After programming, perform an arming sequence by moving the throttle stick to maximum position for three seconds, then minimum position for three seconds until the ESC beeps confirmation. Test motor rotation direction on the bench without propellers installed, reversing any motors that spin opposite to desired direction through the programmable firmware settings.

Frequently Asked Questions

Can I use this 30A ESC with larger motors rated for higher current draw?

The Quanum 30A controller is rated for 30A continuous current with 40A burst capacity for short durations. Using motors that consistently draw above 30A will cause thermal shutdown and potential component failure. For larger motors requiring 40A or higher, upgrade to a 40A or 50A rated ESC. However, many high-KV motors designed for racing drones operate safely within 30A continuous specifications when paired with appropriate propeller sizes.

What is the difference between continuous and burst current ratings?

Continuous current rating (30A) represents the maximum safe sustained current the ESC can handle indefinitely without thermal shutdown. Burst current rating (40A for 10 seconds) allows temporary current spikes during aggressive acceleration or heavy load conditions. Exceeding burst capacity or sustaining current above 30A continuously will trigger thermal protection circuits, reducing throttle output until the controller cools. Always design your motor and propeller combination to operate primarily within the continuous rating for reliable performance.

Is the 5V/3A BEC sufficient for my flight controller, receiver, and camera system?

The 5V/3A BEC provides adequate power for most flight controllers (consuming 0.5-1A) and standard receivers (0.2-0.5A). However, high-current devices like FPV transmitters (1-2A), gimbal controllers, and multiple servos may exceed 3A total capacity. For systems requiring more than 3A at 5V, use the ESC BEC only for flight controller and receiver, then add a separate dedicated BEC or power distribution board for high-current accessories.

When will I receive my order?

Orders are dispatched within 1-5 business days from our Bengaluru warehouse. Delivery takes 7-8 days to most locations across India.

What is your return and warranty policy?

We offer a 7-day return policy on manufacturing defects only. Contact support within 7 days of receipt for free replacement or full refund. Not applicable for user damage or misuse.

Are bulk discounts available?

Yes, wholesale pricing for orders of 10 or more units. Contact our sales team via WhatsApp or email for a customized bulk quote.

Why Buy from The Engineer Store

• Genuine Products: Sourced directly from authorized distributors with authentication
• Expert Team: Our technical team validates every product before listing
• Fast Shipping: Dispatched within 1-5 days from our Bengaluru warehouse
• Pan-India Delivery: 7-8 days to Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata
• Payment Options: COD, UPI, credit/debit cards, net banking, EMI available
• Technical Support: 24/7 expert guidance via email and WhatsApp
• Returns: 7-day return policy on manufacturing defects only

Buy Quanum 30A Multi-Copter Brushless Speed Controller Programmable with 5V/3A BEC (Original) Online in India

Purchase the Quanum 30A Multi-Copter Brushless Speed Controller Programmable with 5V/3A BEC (Original) online at The Engineer Store, India's trusted source for genuine electronics. We deliver across Bengaluru, Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, Jaipur, and Surat. Get the best price on Quanum 30A Multi-Copter Brushless Speed Controller Programmable with 5V/3A BEC (Original) with fast shipping and expert support.

Our team in Bengaluru is available 24/7 to support your journey from product selection to project completion.