SP-150-12 AC to DC Power Supply 12V 12.5A - Reliable 150W Output

Our review of the SP-150-12 covers a practical, no-nonsense 150W enclosed AC to DC power supply that suits workshop projects and small systems needing a steady 12V rail. The bottom line: this unit is for anyone who needs a compact, dependable 12V 12.5A source with universal AC input and built-in power factor correction. It stands out for consistent regulation and respectable efficiency without added bells, making it a pragmatic choice for DIYers, network equipment, and LED or CCTV installations that require a sealed, screw-terminal output.

Key Features

• 12V 12.5A Output: Delivers a full 150W of continuous power, providing ample headroom for a single high-draw 12V device or grouped low-voltage loads.
• Universal AC Input: Accepts 88 to 264VAC across 47 to 63Hz, so it works on most mains supplies worldwide without manual switching.
• Built-in PFC: Active power factor correction improves input current waveform and reduces wasted energy under typical loads.
• Tight Regulation: Line and load regulation rated at 0.5 percent help maintain near-constant voltage under varying input or load conditions.
• Compact Enclosure: A 7.0 x 3.9 x 2.0 in package fits into modest enclosures or rack spaces where a sealed, screw-terminal power source is required.
• Safety Certifications: Multiple approvals including UL, TUV, CE and CB support use in professional installations where recognized safety marks matter.

Who It's For

The SP-150-12 is aimed at hobbyists, integrators and technicians who need a reliable single-output 12V supply for CCTV, LED arrays, network devices or laboratory benches. Its screw terminal block and enclosed metal case make it well suited to permanent installs where a protected, serviceable PSU is required.

It is less appropriate for designers who need multiple isolated outputs, for ultra-compact portable projects where space is at an absolute premium, or for applications demanding very low ripple below the listed 100 mV p-p specification.

Pros & Cons

Pros

• High continuous power capability gives 150W at a stable 12V 12.5A output for demanding single-rail loads.
• Wide input range and active PFC allow reliable operation on varied mains and improve efficiency.
• Good safety certifications and a metal enclosure suit professional installations.
• Compact footprint and screw terminal output simplify mounting and wiring in cabinets.

Cons

• Ripple and noise specified at 100 mV p-p may be higher than required for very noise-sensitive audio or precision sensor electronics.
• No multiple outputs or modular connectors for systems that need several separate voltage rails.

Specifications

Primary output voltage	12 VDC
Output current	12.5 A
Maximum output power	150 W
Input voltage	88 to 264 VAC
Input frequency	47 to 63 Hz
Ripple and noise	100 mV p-p
Size (L x W x H)	7.0 x 3.9 x 2.0 in

Our Verdict

The SP-150-12 is a solid value for anyone needing a straightforward 12V 150W sealed supply with universal input and certification for safe installs. It excels where dependable regulation, a compact metal enclosure and screw-terminal wiring are priorities, but users needing ultra-low noise or multiple rails should consider alternatives.

Frequently Asked Questions

Can this unit run on 120V and 230V mains?
Yes. The SP-150-12 accepts 88 to 264 VAC and 47 to 63 Hz, so it works on both common mains voltages without switching.

What type of output connector does it use?
Output is provided via a screw terminal block for secure, serviceable wiring to loads.

Is it suitable for sensitive electronics?
It is fine for many devices, but its 100 mV p-p ripple means extremely noise-sensitive audio or precision analog circuits may require additional filtering.