15V SMPS Switching Power Supply, 3A/5A/8A

SKU: PH-SMPS-120-15

$54.15

● Standard 15V DC switching power supply offers safe and stable power support, optional 50-120W. ● Stable output, low ripple, and strong anti‑interference for consistent performance. ● Mesh cooling design ensures heat dissipation, quiet operation and long service life. ● Premium structure and robust components ensure exceptional stability and long‑term durability.

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Overview
Specs
Application
FAQ
Reviews

Overview

15V switching DC power supply delivers outstanding performance at an affordable price. It safely converts 110V/220V AC input to stable 15V DC output, with selectable rated current from 3.4A to 8A and power options ranging from 50W to 120W. Featuring reliable natural convection cooling for quiet, efficient operation, it ensures high stability and long service life. Ideal for lighting systems, household appliances, surveillance devices and industrial control applications, this high-quality power supply is now available at a low cost—buy now and enjoy great value!

Feature

Outstanding Value: High-quality structure at an affordable cost, ideal for mass application.
Wide Application: Perfect for lighting, household appliances, surveillance and industrial control systems.
Comprehensive Protection: Built-in short circuit, overload and overvoltage protection safeguards connected devices at all times.
Global Compatibility: Full-range 110V/220V AC input enables seamless operation across regions, no voltage adjustment needed.

Details

High-density Pure Copper Coil: Low-resistance winding maximizes power delivery and cuts energy loss.
Premium Industrial Capacitors: Top-tier components suppress ripple, delivering smooth, noise-free DC output.
Smart PWM Control: Built-in intelligent IC uses pulse width modulation for precise voltage regulation and fast response.

Dimension (Unit: mm)

15V 50W/75W switching power supply mounting dimension

15V 50W 75W SMPS Switching DC Power Supply Dimension

15V 120W switching power supply mounting dimension

15V 120W SMPS Mounting Dimension

Wiring Definition

ADJ	+V	-V
Output Voltage Adjustment	Connect to Device Positive Terminal	Connect to Device Negative Terminal
⏚	L	N
Connect to Ground Wire	Live Wire Connection	Neutral Wire Connection

Specs

Model		PH-S-50-15	PH-S-75-15	PH-S-120-15
Output	DC Voltage	15V	15V	15V
	Rated Current	3.4A	5A	8A
	Current Range	0~3.4A	0~5A	0~8A
	Rated Power	51W	75W	120W
	Ripple & Noise	100mVp-p	150mVp-p	100mVp-p
	Voltage Tolerance	±1.0%	±1.0%	±2.0%
	Line Regulation	±0.5%	±0.5%	±0.5%
	Load Regulation	±0.5%	±0.5%	±0.5%
	Setup, Rise, Hold up Time	200ms, 100ms, 30ms	500ms,30ms/230VAC; 1200ms, 30ms/115VAC	200ms, 80ms, 20ms/230VAC
Input	Voltage Range	85~132VAC/170V~260VAC or 240~370VDC	85~264VAC/120V~370VDC	85~264VAC/235V~373VDC
	Frequency Range	47~63Hz	47~63Hz	47~63Hz
	Efficiency (Typ.)	78%	83%	81%
	AC Current (Typ.)	1.3A/115V; AC 0.65A/230V AC	1.5A/115V AC; 0.9A/230V AC	1.2A/230V AC
	Inrush Current (Typ.)	Cold start: 18A/115V AC, 36A/230V AC	Cold start: 45A	Cold start: 60A
	Leakage Current	<1mA/240V AC	<2mA/240V AC	<1mA/240V AC
Protection	Overload	105~150% rated output power	110~150% rated output power	110~150% rated output power
Protection	Overload	Protection mode: Output disabled during fault, restores normal operation after power reset.
Environment	Working Temperature	-10~+60℃	-10~+60℃	-10~+60℃
	Working Humidity	20~90% RH non-condensing	20~90% RH non-condensing	20~90% RH non-condensing
	Storage Temperature	-20~+85℃	-40~+85℃	-20~+85℃
	Storage Humidity	10~95% RH non-condensing	20~95% RH non-condensing	20~95% RH non-condensing
	Temperature Coefficient	±0.03%/℃ (0~50℃)	±0.03%/℃ (0~45℃)	±0.03%/℃ (0~50℃)
	Vibration	10~500Hz, 2G 10min./1 cycle, period for 60min. each along X, Y, Z axes
Others	MTBF	≥408.3K hrs MIN. MIL-HDBK-217F (25℃)	≥378.3K hrs MIN. MIL-HDBK-217F (25℃)	≥322.4K hrs MIN. MIL-HDBK-217F (25℃)
	Dimension	1599738mm	1599738mm	1999838mm
	Weight	0.51kg	0.51kg	0.63kg

Application

Household Appliances

Factory Equipment

Monitoring Equipment

Power Tools

FAQ

Q1: Does it support short circuit and overload protection?

Yes, this power supply is equipped with full protection functions including short circuit protection, overload protection and overvoltage protection, effectively ensuring safe and stable operation.

Q2: Is this switching power supply safe for household and industrial use?

Yes, this power supply features high safety performance and reliable quality, making it suitable for both household appliances and industrial control equipment.

Q3: Has this power supply passed full load test?

This power supply has successfully passed 100% full load burn‑in test, ensuring stable performance and long‑term reliability.

1 review(s)

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From: Reynold | Date: 9/24/2026 1:18 AM

Solid 15V Power Supply for My Workshop

I picked up this 15V SMPS power supply for my workshop setup and have been really happy with it. The wiring was straightforward, and it puts out a clean, stable 15V DC without much fuss. The natural convection cooling keeps it quiet during continuous use, which is a nice touch for a workbench setup. Works well for DIY projects and industrial control equipment.

15V SMPS Switching Power Supply, 3A/5A/8A

Feature

Details

Dimension (Unit: mm)

Wiring Definition

Household Appliances

Factory Equipment

Monitoring Equipment

Power Tools

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