Description
The MG Electronics ST-122A is a compact, regulated 12V DC power supply delivering 2A, designed for electronics projects, CCTV setups, and small automation tasks. Its screw-terminal wiring and worldwide input make it a reliable, easy-to-integrate power source for hobbyists and professionals alike.
- Output: 12V DC, 2A regulated power to keep connected devices stable and performing consistently.
- Input: 100–240VAC, 50/60Hz support for global use without adapters.
- Terminals: Two easy-to-use screw terminals for straightforward wiring and secure connections.
- Grounding option: Available with a third-prong ground/third screw ground for enhanced safety in metal enclosures.
- Safety standards: UL, cUL, and FCC listed, ensuring compliance and peace of mind in professional environments.
- Construction: Lightweight, compact design that fits neatly in control panels, enclosures, or on a workbench.
- Packaging: Individually boxed for protected shipping and easy inventory management.
This power supply is ideal for powering microcontroller projects, LED lighting installations, CCTV cameras, small sensors, and other 12V equipment. The regulated output minimizes voltage fluctuations, reducing device resets and flicker. The screw-terminal interface speeds up setup and makes field wiring cleaner, while the wide input range lets you deploy it worldwide without changing adapters. For added safety in enclosed or metal environments, you can opt for the grounded version with a third prong. With UL/cUL and FCC listings, you get a dependable, standards-compliant solution that stands up to daily use in both home workshops and professional installations.

