If you mean electrical noise, there's some fast switching noise on the output as you might expect from a switching power supply, the amplitude stays the same but the frequency goes up with output voltage. It'll show up on a 'scope if there's no load, probably as a sequence of quick impulses with a decaying "ring", it's nowhere near as bad as a typical cheap switched PSU and any kind of load capacitance should mop it up. If you mean audible noise, it has a fan but that only comes on when it's hot. Without the fan running it's effectively silent, though some switching PSUs can emit a whistle at the switching frequency, if you get one with something physically able to vibrate inside and your ears are up to hearing that. My ears aren't bad and I've heard nothing from my one.

With ‎wps1203h style ‎120v/3a(360w) what is maximum current at 12v / 24v?

At both voltages, the max current is 10 amps.

How do I set constant current for it? It keeps reverting to 0 when i press output

Replicated your problem on my unit - once you have set your required voltage output and the maximum current limit setting for the item under test or being run you then push 'Output' .... BUT, if there is no active load attached to the power supply it will show the row of 'zero's' on the current readout after a couple of seconds or so.

When using the usb output is the current and voltage displayed so that you can use it as a usb power meter?

NO THERE IS NO VISUAL INDICATION THAT THE USB CIRCUIT IS ON OTHER THAN THE APPLIANCE ON CHARGE THE FRONT PANEL SHOWS ONLY POWER OUTPUT NOT USB.

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DC power supply (0-60V,0-5A) adjustable, switching power supply, mini high precision 4-digit display with USB fast charging interface, variable lab bench power supplies, output on/off/encoder knob

Product ID: 456659720

Details

Brand
NANKADF
Colour
Black
Connector type
USB
Item weight
1.12 kg
Material

⚡0-60V adjustable voltage

🔋0-5A high precision current

🔌18W USB fast charging

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Sold byAmazon PeruDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚡ Power your projects with precision and speed — never miss a beat!

COMPACT POWERHOUSE - Lightweight (2.47 lbs) and portable design fits perfectly on any workbench.
ROBUST SAFETY SUITE - Built-in OVP, OCP, SCP, and temperature-controlled cooling protect your devices and extend lifespan.
SMART OUTPUT MANAGEMENT - Encoder knob with output on/off and preset memory for seamless workflow.
UNIVERSAL USB FAST CHARGE - 18W USB port auto-adapts to multiple fast charging protocols, saving space and time.
PINPOINT PRECISION CONTROL - 4-digit LED display with 0.01V/0.001A resolution for lab-grade accuracy.

The NANKADF WPS605H is a compact, high-precision DC power supply delivering up to 60V and 5A with a crystal-clear 4-digit LED display. Featuring an intuitive encoder knob, USB fast charging interface, and advanced safety protections, it’s engineered for professionals and enthusiasts who demand reliable, versatile power in a sleek benchtop form factor.

Specifications

ASIN	B0B121WMHN
Amperage	5 Amps
Best Sellers Rank	962 in Business, Industry & Science ( See Top 100 in Business, Industry & Science ) 2 in Industrial Power Supply
Brand Name	NANKADF
Colour	Black
Connector Types	USB
Country of Origin	China
Customer Reviews	4.4 4.4 out of 5 stars (215)
Enclosure Material	PE_(Polyethylene), PLA_(Polylactic_Acid), PS_(Polystyrene)
Form Factor	benchtop
Input Voltage	230 Volts
Item Weight	1.12 kg
Manufacturer	NANKADF
Manufacturer Part Number	WPS-10H
Maximum Power	300 Watts
Model Number	WPS605H
Output Current	5 Amps
Output Voltage	60 Volts (DC)
Output Wattage	300 Watts
Specification Met	OCP
UPC	780279579765

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