AC-DC Isolated Switching Power Supply Module 12V 1A / 5V 2A
AC-DC Isolated Switching Power Supply Module 12V 1A / 5V 2A
Compact Dual-Output AC-DC Switching Power Supply Module
Power your DIY electronics, embedded systems, or automation projects with this efficient 12V 1A / 5V 2A Isolated Switching Power Supply Module. Accepting a wide-range AC input from 110V to 240V, this compact board converts mains voltage to stable, regulated DC outputs — making it ideal for hobbyists, engineers, and makers worldwide.
With its galvanic isolation between input and output, this module provides an added layer of electrical safety for sensitive circuits and microcontroller-based projects. The ultra-compact footprint (just 5.1 × 2.8 × 1.5 cm) makes it easy to embed into custom enclosures, control panels, or project boxes.
Key Features
- Wide AC Input Range: Compatible with AC 110V–240V (50/60Hz) — works with global mains power
- Dual DC Outputs: 12V @ 1A and 5V @ 2A simultaneously available
- Isolated Design: Galvanic isolation protects your downstream circuits from mains voltage
- Rated Capacity: <40VA — suitable for low-power electronics, sensors, microcontrollers, and LED drivers
- Ultra-Compact Size: 5.1 × 2.8 × 1.5 cm — easy to integrate into tight spaces
- Low-Voltage Outputs: Compliant with EU LVD (below 50Vac / 75Vdc)
- Switching Technology: High efficiency compared to linear regulators, generating less heat
Specifications
| Input Voltage | AC 110V – 240V |
| Output Voltage | DC 12V & DC 5V |
| Output Current | 12V @ 1A / 5V @ 2A |
| Rated Capacity | <40VA |
| Module Size | 5.1 × 2.8 × 1.5 cm |
| Isolation | Yes (AC–DC Isolated) |
| Input Frequency | 50/60Hz |
Common Applications
- Arduino, Raspberry Pi, and microcontroller projects requiring dual voltage rails
- IoT sensor nodes and smart home device builds
- LED lighting drivers and strip controllers
- Industrial control modules and relay boards
- Custom PCB power supply sections
- Prototype development and electronics lab bench use
Package Contents
- 1× AC-DC Isolated Switching Power Supply Module (12V 1A / 5V 2A)
Made in Mainland China.
Note: Due to lighting and screen differences, product color may appear slightly different from images. Please allow ±1–10mm variance due to manual measurement.
For guidance on electrical safety when working with mains-connected power supplies, refer to the OSHA Electrical Safety resource.
Frequently Asked Questions
Q: Can this switching power supply module output both 12V and 5V at the same time?
A: Yes! This isolated AC-DC converter module features dual simultaneous outputs — 12V at up to 1A and 5V at up to 2A — making it perfect for projects that need two different DC voltage rails from a single mains connection.
Q: Is this power supply module safe to use with sensitive electronics like microcontrollers?
A: Yes. The galvanic isolation between the AC input and the DC outputs helps protect your downstream electronics from mains-side interference or faults. Always follow proper wiring practices and ensure the module is enclosed safely when operating from mains voltage.
Q: What input voltages does this AC-DC converter support?
A: This module supports a wide input range of AC 110V to 240V at 50/60Hz, making it compatible with mains power standards used across North America, Europe, Asia, and most other regions worldwide.
Q: What is the physical size of this power supply board?
A: The module measures approximately 5.1 × 2.8 × 1.5 cm, making it extremely compact and easy to integrate into custom enclosures, project boxes, or embedded system builds.