Introducing the LM317 DC Regulated Adjustable Power Supply Module – the ultimate solution for hobbyists, students, and professionals seeking reliable, versatile power for DIY electronics, welding projects, and training applications. Designed to operate seamlessly on both 110 V and 220 V mains, this compact module delivers precise voltage regulation, robust current handling, and a host of safety features, making it the perfect companion for any multi‑function welding or electronics workshop.
Key Features & Benefits
- Wide Input Voltage Range: Accepts 110 V – 220 V AC, allowing global use without the need for additional transformers.
- Adjustable Output: Continuously variable output voltage from 1.25 V up to 30 V, fine‑tuned with a precision potentiometer.
- High Current Capability: Delivers up to 2 A continuous current, ideal for low‑power welding, soldering, and electronic prototyping.
- LM317 Linear Regulator Core: Proven, stable regulation with low ripple and excellent line/load regulation.
- Built‑in Protection: Over‑current, over‑temperature, and short‑circuit protection safeguard both the module and your projects.
- Compact & Robust Design: Heavy‑duty metal enclosure with heat‑sink, suitable for bench‑top or portable setups.
- Easy Integration: Screw terminals and clear labeling for quick wiring in DIY kits, training labs, or custom rigs.
Why Choose This Module for Welding Training?
Whether you’re teaching the fundamentals of arc welding or experimenting with electronic welding techniques, precise power control is essential. The LM317 module provides a stable, adjustable DC source that mimics professional welding power supplies, giving students hands‑on experience without the high cost or safety risks of industrial equipment.
Technical Specifications
- Input Voltage: 110 V – 220 V AC
- Output Voltage: 1.25 V – 30 V (adjustable)
- Maximum Output Current: 2 A
- Regulation Type: Linear (LM317)
- Efficiency: ~70 % at typical loads
- Operating Temperature: -20 °C to 85 °C
- Dimensions: 120 mm × 80 mm × 35 mm
- Weight: 350 g
- Certifications: CE, RoHS
Perfect For
- DIY electronics enthusiasts
- Electronics repair and testing stations
- Educational labs and welding training programs
- Prototype development for low‑power welding applications
- Hobbyist robotics and Arduino projects
Upgrade your workshop with the LM317 DC Regulated Adjustable Power Supply Module and enjoy the confidence of precise, safe, and adaptable power for every project. Order now and experience the flexibility that professionals trust.
Price: Original price was: $ 18.38.$ 9.01Current price is: $ 9.01.

