are the pins spaced correctly for thru hole pcb? thanks

If you mean the standard 2.54mm distance between holes: Yes they are.

Is input 110-220vac for the 3vdc output version?

All these modules have an input voltage between 90-264V.

What method do you use to affix a wire to the pins? Seems scary to use the 24g broadboard style jumper wire on them for 120v AC

Those wires work fine. Not enough current going through it to need anything bigger

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Mini Step-Down Power Supply, Intelligent Home Switching DC Power Module AC DC Isolated Power Module 220v to 5v, HLK PM01 AC DC Converter 220V to 5V（3PCS）

Product ID: 456578558

Details

Brand
EC Buying
Current Rating
0.2 Amps
Mounting Type
PCB Mount
Power Source
Ac/Dc
Specification Met
CE UL

⚡3W ultra-efficient power output

🌍Global input voltage 90-245Vac

🔒UL & CE certified isolated safety

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₹ 1494

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Sold byAmazon IndiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚡ Power your smart home with precision and peace of mind!

SMART SAFETY - Built-in short-circuit & over-current protection with self-recovery
SILENT STABLE - Low ripple, low noise output ensures smooth, reliable performance
COMPACT POWERHOUSE - Ultra-small 3W module fits sleek smart home designs
GLOBAL COMPATIBILITY - Wide 90-245Vac input powers devices worldwide without hassle
ECO FRIENDLY EFFICIENCY - Consumes <0.1W no-load power, minimizing energy waste

The HLK-PM01 Mini Step-Down Power Supply is a compact, high-efficiency AC-DC isolated module converting 220V to 5V with global voltage compatibility (90-245Vac). Certified to UL and CE standards, it offers low noise, low ripple output, and advanced safety features like short-circuit and over-current protection. Ideal for smart home automation, it delivers reliable power with minimal energy loss, packaged as a convenient 3-piece set.

Specifications

ASIN	B09Z253MQ2
Best Sellers Rank	#55,343 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #212 in Power Converters
Brand Name	EC Buying
Current Rating	0.2 Amps
Customer Reviews	4.4 4.4 out of 5 stars (71)
Item Weight	0.7 Ounces
Manufacturer	EC Buying
Model	HLK-PM01
Mounting Type	PCB Mount
Part Number	HLK-PM01
Power Source	Ac/Dc
Specification Met	CE, UL
Unit Count	3.0 Count
Warranty Description	NO

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