Can i safely use this 5v 12a power supply to power a device that only requires 5v 3a?

the simple answer is yes, the power supply can provide up to 12A. If one device requires only 3A, that's fine. You can have another device(s) that may require 5A. You should not exceed the total 12A. Hope this helps.

There are conflicting pictures on this page. One shows two each of + and - poles, one shows one each. Which one is correct?

The one I received has 2 5V + and two "C" (ground) terminals. They all come off the same rail so it really doesn't matter in the end but, yes, you will like receive the one with 2 each.

Does the 5V 12A power supply require a cooling fan to operate?

The PS does not have an internal fan. It is only a 60W, 5A supply. A separate external fan is not required, if that is question.

Does the fan inside the power supply have pwm/variable speed? or does it always run at the same voltage/rpm?

PHEVOS switching power supply 5V40A/12V20A/12V30A, these are with fans, they operate at the same voltage, they don't change speed.

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DC 5V 12A Power Supply, PHEVOS AC 110/120 to DC 5V Universal Switching Transformer Adapter for Raspberry PI Models, CCTV, Radio, Computer Project, LED Strips Pixel Lights

Product ID: 56165646

Details

Brand
PHEVOS
Current Rating
12 A
Mounting Type
Wall Mount
Power Source
Corded
Specification Met
CE FCC

⚡12A high current output

🔄Auto AC 90-120V to DC 5V conversion

🛡️Multi-layer protection system

₨534

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Description

⚡ Power your passion projects with unstoppable energy!

SILENT EFFICIENT COOLING - Porous metal shell design ensures heat dissipation without noisy fans, maintaining optimal performance.
BUILT IN SAFETY YOU CAN TRUST - Advanced short circuit, overload, and overvoltage protections keep your devices safe and sound.
CONFIDENCE WITH EVERY PURCHASE - Backed by a 1-year manufacturer warranty and responsive 24-hour customer support.
PLUG AND PLAY UNIVERSAL COMPATIBILITY - Automatically converts AC 90-120V to stable DC 5V with no manual tweaks needed.
POWER THAT KEEPS UP WITH YOUR PROJECTS - Delivers a robust 12A output, perfect for demanding Raspberry Pi setups and LED pixel strips.

The PHEVOS DC 5V 12A Power Supply is a universal switching adapter designed for Raspberry Pi models, LED pixel lights, CCTV, and other 5V electronics. It features automatic AC 90-120V to DC 5V conversion, dual output channels, and comprehensive protection against short circuits, overloads, and overvoltage. Its fanless porous metal shell ensures silent, efficient heat dissipation. Certified by CE and FCC, it comes with a 1-year manufacturer warranty, making it a reliable choice for professional and hobbyist projects alike.

Specifications

ASIN	B074YHN8D1
Best Sellers Rank	#108,605 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #414 in Power Converters
Brand Name	PHEVOS
Current Rating	12 A
Customer Reviews	4.6 4.6 out of 5 stars (390)
Included Components	1
Item Type Name	boating-shore-power-adapters
Item Weight	10.2 ounces
Manufacturer	PHEVOS
Minimum Frequency	50 hertz
Model	8541605486
Mounting Type	Wall Mount
Number of Items	1
Number of Packs	1
Part Number	5V12A-P
Power Source	Corded Electric
Specification Met	CE, FCC
Unit Count	1 Count
Warranty Description	1 Year Manufacturer1 Year Manufacturer

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₨534

Duties & taxes included

In stock

Sold byAmazon SeychellesDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Seychelles.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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