Product Overview

The 12V 1A Power Supply 12W AC/DC Adapter delivers regulated 12V DC at up to 1A, designed for applications that require continuous, reliable power in a compact form factor. The universal AC input (100–240Vac, 47–63Hz) ensures compatibility with power grids worldwide, while the standard 5.5×2.1mm DC barrel connector mates directly with most 12V equipment. Measuring just 61×33×27, the 12V 1A Model fits neatly into tight enclosures and equipment racks without obstructing adjacent outlets.

Parameter	Specification	Parameter	Specification
DC Output Voltage	12V DC ± 5%	DC Output Rated Current	1A (1000mA)
Rated Power	12W	DC Connector	5.5×2.1mm (2.5mm optional)
Body Size	61×33×27	DC Cable Length	1.2m / 1.5m (optional)
Input Voltage Range	100–240Vac	Input Frequency	47–63Hz
Input Current	0.8A (Max)	Efficiency	88%, Level VI
Ripple & Noise	≤120mV	Dielectric Withstand	3K Vac 1min
Protection	OVP, OCP, SCP, OTP	Operating Temp.	0°C to +55°C
Safety Certifications	UL/CUL FCC CE CB	Energy Standard	DoE Level VI

Design & Build Quality

The 12V 1A Model employs a high-frequency switching topology with premium 105°C-rated capacitors, achieving 88% energy efficiency (DoE Level VI) and keeping surface temperature below 50°C under continuous full load. This thermal headroom makes the model suitable for enclosed cabinets, equipment racks, and installations where airflow is limited. The fanless design ensures completely silent operation — no mechanical noise in studios, offices, or bedrooms.

Typical Applications

The 12W power supply covers the most common low-power networking and security devices, with enough headroom for stable continuous operation.

• Networking — routers, ONT modems, media converters and small unmanaged switches.

• Security — IP cameras, NVR accessories and video intercoms.

• Audio equipment — compact mixers, desktop amplifiers and radios.

• POS peripherals — barcode scanners, card readers and small displays.

• LED lighting — roughly 1.5–2.5 m of 2835 strip, depending on density.

Safety & Protection

Four independent protection circuits in the 12V 1A Model operate autonomously to safeguard both the unit and connected equipment:

• Over-Voltage Protection (OVP) — Shuts down output if voltage exceeds safe threshold; auto-recovers when fault clears.

• Over-Current Protection (OCP) — Limits output current to prevent damage from overloaded downstream wiring.

• Short-Circuit Protection (SCP) — Instantly cuts output when a short circuit is detected.

• Over-Temperature Protection (OTP) — Thermal shutdown activates if internal temperature exceeds design limits; resumes once cooled.

All protection modes are non-latching — the model automatically restarts after the fault condition is removed. Full UL/CUL, FCC, CE, and CB certifications support compliance for commercial, industrial, and residential installations worldwide.

Warranty & Technical Support

Every 12V 1A Model carries a 3-year warranty covering manufacturing defects. Technical support assists with compatibility verification, cable length selection, and connector configuration. OEM and ODM services are available for custom branding, cable lengths, and plug styles on bulk orders (MOQ 1000 pcs, 7–10 day lead time).