24V 3A DC Power Supply – 72W Adapter for Industrial Projects
24V 3A DC Power Supply – 72W Adapter
The 24V 3A DC power supply delivers 72 watts of regulated output for industrial automation, robotics, and IoT projects, compatible with Arduino, ESP32, and Raspberry Pi development boards.
Key Specifications
| Output Voltage | 24V DC |
| Output Current | 3A |
| Power Rating | 72W |
| Input Voltage | 100-240V AC, 50/60Hz |
| Connector Type | 5.5mm x 2.1mm barrel jack (center positive) |
| Protection Features | Overload, overvoltage, short circuit |
| Efficiency | ≥85% |
| Cable Length | 1.2 meters |
What You Can Build With This
- Arduino Motor Control System: Power L298N driver and DC motors directly from 24V while stepping down to 9V for Arduino Uno.
- ESP32 Industrial Sensor Hub: Use a buck converter to power ESP32 and interface 24V-rated proximity or temperature sensors.
- Raspberry Pi Home Automation Controller: Supply 5V to Pi via step-down converter while driving 24V relays and actuators.
- CBSE Class 12 Physics – Efficiency Study: Measure load regulation and efficiency of the adapter as a practical experiment.
- Smart Factory Simulation (SIH): Power conveyor motors, PLC inputs, and status indicators in a scaled-down automation model.
Compatibility
| Platform | Compatible | Connection | Library / Method |
|---|---|---|---|
| Arduino Uno R3 | Yes with condition | Via step-down to 9V at Vin or 5V pin | None |
| Arduino Nano | Yes with condition | Via step-down to 5V pin | None |
| Arduino Mega 2560 | Yes with condition | Via step-down to 9V at Vin or 5V pin | None |
| ESP8266 NodeMCU | Yes with condition | Via step-down to 3.3V or 5V pin | None |
| ESP32 Dev Board | Yes with condition | Via step-down to 3.3V or 5V pin | None |
| Raspberry Pi Pico | Yes with condition | Via step-down to 5V at VSYS or VBUS | None |
| Raspberry Pi 4 / 5 | Yes with condition | Via step-down to 5V on GPIO 5V pins | None |
Wiring and Interface Notes
Standard DC barrel jack with center‑positive polarity; always verify with a multimeter before connecting. Use a buck converter module to step down 24V to 5V or 3.3V for microcontroller boards, never feed 24V directly. When powering multiple devices, ensure the total current does not exceed 3A and keep ventilation clear around the adapter.
Frequently Asked Questions
Can I connect this 24V power supply directly to my Arduino?
No, connecting 24V directly to Arduino's Vin or 5V pin will damage the board. Use a buck converter to step down to 7‑12V for Vin or 5V for the 5V pin.
Is this power supply suitable for powering Raspberry Pi?
Yes, but only through a 5V step‑down converter. The Pi's GPIO 5V pins can accept a regulated 5V input; ensure the converter can supply at least 3A for Pi 4 or 5.
What you can build with this
Shipping Information
- Prepaid Orders: ₹75 for orders up to ₹999, FREE shipping above ₹999
- COD Orders: ₹125 shipping + ₹50 COD fee = ₹175 total
- Delivery Timeline: Dispatch in 1-2 days, delivery in 2-7 days depending on location
Returns & Warranty
- 7-Day Return: Manufacturing defects only (approval required)
- Warranty: 7 days from delivery
- Non-Returnable: Batteries, consumables, cut wires, clearance items