will this work to change my 240 air conditioner to plug into a 120 outlet?

It will also depend on the ampacity of the 120 volt outlet and the current requirement of your A/C @ 240 volts. If you do not understand what this means call an electrician to assist, other wise you may cause nuisance tripping, fire, product damage (your A/c and converter), and personal harm. Do not rely on Ross O.'s incomplete answer.

How would you connect a 220 dryer to this and this to 110 power supply

This transformer is single phase. Cannot be hooked up to 220v split phase appliance

Could you please confirm that this unit will be able to convert us residential 240v (dual phase) to 110v? thank you so much.

Hello This transformer converters 110 to 240 and 240 to 110 volts. this is a direct connect to the electrical board and must be done by a certified electrician. Best regards

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10000 Watt Voltage Transformer 10000 Watt Step Up and Down Converter

10000 Watt Voltage Transformer 10000 Watt Step Up and Down Converter

Product ID: 41366074

Details

Brand
TOPOW
Mounting Type
Floor Mount
Power Source
Corded
Product Dimensions
9.5"D x 10"W x
Specification Met
UL

⚡10,000W max power

🔄Dual voltage input/output

🛡️All-range fuse protection

S$1498

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Description

⚡ Power up globally, safely, and effortlessly!

BUILT IN SAFETY SHIELD - All-range fuse protection guards your valuable equipment from damaging voltage spikes.
POWERHOUSE PERFORMANCE - Handles up to 10,000 watts for heavy-duty applications without breaking a sweat.
DUAL VOLTAGE FLEXIBILITY - Seamlessly switch between 110/120V and 220/240V inputs and outputs to power any device worldwide.
INDUSTRIAL GRADE DURABILITY - Solid 76 lbs build with floor mount design ensures stability and longevity in demanding environments.
CERTIFIED INSTALLATION REQUIRED - Professional setup guarantees optimal performance and peace of mind—no guesswork, no risk.

The TOPOW ST-10000 is a robust 10,000-watt step-up and step-down voltage transformer designed for both home and industrial use. It supports selectable input voltages of 110/120V or 220/240V and outputs 110V or 220V AC, featuring all-range fuse protection for enhanced safety. Weighing 76 pounds with a floor-mount design, it requires professional installation to ensure reliable, heavy-duty performance across diverse electrical environments.

Specifications

ASIN	B01BA00LJI
Best Sellers Rank	#603,985 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #2,732 in Power Converters
Brand	TOPOW
Brand Name	TOPOW
Customer Reviews	4.3 out of 5 stars 18 Reviews
Item Dimensions D x W x H	9.5"D x 10"W x 9.5"H
Item Weight	76 pounds
Manufacturer	TOPOW
Model	ST-10000
Mounting Type	Floor Mount
Number of Items	1
Number of Packs	1
Part Number	ST-10000
Power Source	Corded Electric
Product Dimensions	9.5"D x 10"W x 9.5"H
Specification Met	UL
UPC	798295518811
Unit Count	1 Count

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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TrustScore 4.5 | 7,300+ reviews

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S$1498

Duties & taxes included

In stock

Sold byAmazon SINGAPOREDelivered 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 SINGAPORE.

Secure transaction

ProDesertcart PRO

Fast, free shipping, member pricing & priority support.

Join PRO →

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TrustScore 4.5 | 7,300+ reviews

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Great price for an authentic product. Fast international shipping too!

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