Quanum 30A continuous Brushless Speed Controller ESC with 5V/2A BEC (Original)
Quanum 30A continuous Brushless Speed Controller ESC with 5V/2A BEC (Original)
Quanum 30A continuous Brushless Speed Controller ESC with 5V/2A BEC (Original)
The Quanum 30A continuous Brushless Speed Controller is a high-performance Electronic Speed Controller designed for brushless DC motors in UAVs, quadcopters, racing drones, and RC aircraft. Professional drone pilots and hobbyist builders rely on this ESC to deliver precise motor control with smooth acceleration curves and reliable power management in demanding flight conditions. This controller solves the critical challenge of converting battery power into regulated motor speed while providing onboard 5V/2A BEC power for flight controllers and servo systems, eliminating the need for separate power distribution modules.
Product Overview
The Quanum 30A ESC operates on the principle of Field-Oriented Control (FOC) and traditional sinusoidal commutation, converting DC battery voltage into three-phase AC output that drives brushless motors with maximum efficiency. The controller features a 30-ampere continuous current rating with peak burst capacity, making it suitable for mid-range multicopters and high-performance RC aircraft. The integrated 5V/2A BEC (Battery Elimination Circuit) regulates battery voltage down to a stable 5 volts, powering flight controllers, receivers, and auxiliary servos without requiring separate voltage regulators. The firmware supports multiple control protocols including PWM, OneShot125, and MultiShot, allowing seamless integration with modern flight control systems.
What distinguishes this Quanum model is its robust thermal management design with optimized MOSFET layout and copper PCB traces that minimize heat generation during sustained high-current operations. The ESC includes programmable parameters for throttle range, rotation direction, and braking intensity through dedicated programming cards or compatible flight controller interfaces. Its compact form factor and lightweight construction make it ideal for weight-sensitive applications where every gram matters. The original Quanum variant uses premium components with proven reliability in competitive drone racing and professional aerial photography platforms.
Key Specifications
| Specification | Details |
| Product Type | Brushless Electronic Speed Controller (ESC) |
| Brand | Quanum |
| Origin | Original/Authentic |
| Continuous Current Rating | 30 Amperes |
| Peak Burst Current | 40 Amperes (10 seconds maximum) |
| Input Voltage Range | 2S to 4S LiPo (7.4V to 14.8V nominal) |
| BEC Output | 5 Volts, 2 Amperes continuous |
| Control Protocols | PWM, OneShot125, MultiShot |
| Firmware | Programmable via programming card |
| Weight | Approximately 12 grams |
| Dimensions | 43mm x 21mm x 11mm |
| 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 |
Key Features
- 30A Continuous Current Rating with 40A burst capacity enables smooth acceleration and sustained high-power maneuvers without thermal throttling or voltage sag
- Integrated 5V/2A BEC eliminates external power regulators and reduces wiring complexity, saving weight and improving reliability in compact multirotor designs
- Multi-protocol Support including PWM, OneShot125, and MultiShot ensures compatibility with legacy and modern flight controllers from DJI, Betaflight, and Cleanflight platforms
- Programmable Parameters allow customization of throttle range, rotation direction, and braking behavior through dedicated programming cards or software interfaces
- Low-Resistance MOSFET Design minimizes power losses and heat generation, extending flight time and reducing component stress during extended operations
- Compact Lightweight Form Factor at 12 grams fits seamlessly into weight-critical applications including FPV racing drones and ultralight aerial platforms
Applications and Use Cases
- Quadcopter and Hexacopter Propulsion Systems where the 30A rating drives high-KV brushless motors for mid-weight multicopters weighing 1.5kg to 3kg with responsive flight characteristics
- FPV Racing Drones requiring rapid acceleration and precise throttle response, with OneShot protocols delivering microsecond-level control precision for competitive racing environments
- RC Aircraft and Fixed-Wing UAVs utilizing the 5V BEC to power flight controllers and servo systems simultaneously, eliminating separate power distribution complexity
- Aerial Photography Platforms where stable power delivery ensures smooth gimbal operation and consistent motor performance during extended flight missions
- DIY Robotics and Autonomous Systems leveraging the programmable firmware for custom motor control algorithms and sensor integration
How to Use
Begin by identifying the three motor output wires (typically labeled A, B, C) and connecting them to your brushless motor phases in any order. The ESC will auto-detect motor direction during the calibration sequence. Connect the signal wire to your flight controller's designated ESC input channel, typically throttle channel 3 on standard RC receivers. The red and black wires from the BEC should connect to your flight controller's power input, providing regulated 5V power. Before powering on, program the ESC using a compatible programming card to set your specific LiPo cell count (2S, 3S, or 4S), throttle range (typically 1000-2000 microseconds), and rotation direction preferences.
Power calibration is essential for optimal performance. With the battery disconnected, set your transmitter throttle to maximum, then power on the ESC. You will hear a series of beeps confirming the maximum throttle point. Lower the throttle to minimum and wait for confirmation beeps indicating the minimum throttle calibration is complete. This process ensures the ESC correctly interprets your control signals across the full range. Once calibrated, perform a brief bench test with the propellers removed to verify smooth acceleration and no audible grinding sounds. Always use XT60 or XT90 connectors for high-current battery connections and ensure all solder joints are clean and cold-joint free to prevent voltage drops that degrade performance.
Frequently Asked Questions
What is the difference between continuous and burst current ratings on this ESC?
The 30A continuous rating indicates the maximum current the ESC can safely handle indefinitely without thermal shutdown or component damage. The 40A burst rating allows temporary overcurrent for 10 seconds maximum, useful for aggressive acceleration or climbing maneuvers. Exceeding the continuous rating for extended periods will trigger thermal protection and reduce motor power output. For sustained high-performance flying, design your system to operate within the 30A continuous specification.
Can I use this 30A ESC with 2S, 3S, and 4S LiPo batteries?
Yes, the Quanum 30A ESC supports 2S to 4S LiPo configurations (7.4V to 14.8V nominal). However, you must reprogram the ESC through the programming card to match your battery configuration before use. Using the wrong cell count setting can cause incorrect throttle response or BEC overvoltage damage. Always verify your battery configuration matches the ESC programming before connecting your flight controller.
Does the 5V/2A BEC provide enough power for my flight controller and servos?
The 2-ampere BEC output is suitable for most flight controllers (which typically draw 0.5-1A) and one or two standard servos (each drawing 0.5-1A). If you require more than 2 amps total, such as powering multiple servos or high-current receivers, you should use an external BEC or power distribution board. Exceeding the BEC current rating will trigger thermal shutdown and cause intermittent power loss to your servos and flight controller.
What control protocols does this ESC support and which should I use?
The Quanum 30A supports PWM (standard 1000-2000 microsecond pulses), OneShot125 (125 microsecond resolution for faster response), and MultiShot (32 microsecond resolution for extreme precision). Modern flight controllers like Betaflight default to OneShot125 for optimal balance between responsiveness and compatibility. PWM is suitable for legacy systems and basic RC applications. MultiShot requires very fast flight controller processors and is primarily used in high-end racing platforms. Check your flight controller documentation to determine which protocol it supports.
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 Tech Depot
- Genuine Products: Sourced directly from authorized distributors with authentication certificates and batch verification
- Expert Team: Our technical team validates every ESC before listing and tests BEC output stability under load conditions
- Fast Shipping: Dispatched within 1-5 days from our Bengaluru warehouse with real-time tracking updates
- Pan-India Delivery: 7-8 days to Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, and Surat
- Payment Options: COD, UPI, credit/debit cards, net banking, and EMI available for flexible purchasing
- Technical Support: 24/7 expert guidance via email and WhatsApp for programming, calibration, and troubleshooting
- Returns: 7-day return policy on manufacturing defects only with free replacement shipping
Buy Quanum 30A continuous Brushless Speed Controller ESC with 5V/2A BEC (Original) Online in India
Purchase the Quanum 30A continuous Brushless Speed Controller ESC with 5V/2A BEC (Original) online at The Tech Depot, India's trusted source for genuine electronics and drone components. We deliver across Bengaluru, Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, Jaipur, and Surat. Get the best price on Quanum 30A continuous Brushless Speed Controller ESC with 5V/2A BEC (Original) with fast shipping and expert technical support.