Is single phase to 3 phase converter profitable to sell on Amazon United States?

The niche generates $844K/yr across 37 tracked products. 7 of 11 products launched in the last 360 days are still selling. 90-day search growth is -13.4%. Flapen's verdict: Skip it (44/100).

How competitive is the single phase to 3 phase converter niche?

9 brands and 18 sellers compete. The top 5 products take 44% of clicks and top 5 brands hold 87% of demand.

What do buyers complain about in single phase to 3 phase converter?

Top complaints mined from reviews: Functionality-Overall, Durability, Quality-Overall. The return rate is 10.9% — above our launch gate.

When does demand for single phase to 3 phase converter peak?

Demand peaks in Mar; the busiest month runs 1.6× the quietest.

What does it cost to enter the single phase to 3 phase converter niche?

Listings span $72.03–$2388.04; the average listing price is $455.28 (sweet spot $15–$100). The average incumbent carries 27 reviews — the moat a new listing must climb.

single phase to 3 phase converter

Skip it

Prices mostly outside the sweet spot ($72.03–$2388.04) — this niche doesn't clear our bar today.

Review moat

Incredible27.11

avg incumbent reviews — the moat a new listing must climb

Quality gap

Incredible3.8★

avg incumbent rating — lower means beatable quality

Market size

Good$844K

$844K/yr · 140K searches

Competition

Good44%

top-5 click share — leaders hold, buyers still browse

Brand share

Okay87%

top-5 brand share — brands hold most of the demand

Growth

Bad-13.4%

90-day search growth — must beat 0% to launch

Conversion

Bad1.3%

search→purchase rate — share of searches ending in a sale

Avg price

Bad$455.28

avg listing price — sweet spot $15–$100

Returns

Bad10.9%

return rate — above 5% kills the launch gate

Price range

Bad$72.03–$2388.04

cheapest to priciest tracked listing — scored on the share inside $15–$100

Signals Low Review Barrier Quality Gap High Returns High Price

According to Flapen's Amazon United States niche tracking, single phase to 3 phase converter is a $844K/yr Amazon United States market (140K searches/yr). The top 5 brands hold 87% of demand. Demand peaks in Mar. Verdict: Skip it — 44/100.

Data updated Jul 22, 2026 · scored weekly · How we score niches

single phase to 3 phase converter market data

Units sold / yr: 1K–1K; avg 0–100/product
Revenue / yr: $455K–$569K; units × avg price
Conversion rate: 1.3%
Avg BSR: #1,356
Page quality: 0%
Prime: 73%
Sponsored: 95%
Out of stock: 7.0%
Avg brand age: 42 months
Avg seller age: 202 days

Competition & brand share

The top 5 products take 44% of clicks — established leaders, but buyers still shop beyond them.

Brands

9 falling

Sellers

Top-5 brand share

87%

Top 20: 100%

Top-5 click share

44%

Top 20: 86%

Open market

DPS29%
Generic22%
LGIB17%
Myung Youn Electronics10%
VEVOR9%
American Rotary8%
Open — no brand owns it (3 brands, 5%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -13.4% search growth over the last 90 days.

Peak months: Mar · busiest ÷ quietest = 1.6×

Open Trend

Top single phase to 3 phase converter search terms

3 phase converter28K/yr -7.1%0.9% conv.
single phase to 3 phase converter32K/yr -26.5%0.8% conv.
phase converter20K/yr +5.8%1.0% conv.
3 phase to 1 phase converter12K/yr -22.1%0.3% conv.
rotary phase converter10K/yr -5.8%0.3% conv.
dps7K/yr +6.6%0.5% conv.
single to 3 phase converter5K/yr +50.0%0.4% conv.
phase converter 1 phase to 3 phase6K/yr -22.6%2.2% conv.
digital phase converter4K/yr -15.1%2.5% conv.
3 phase inverter4K/yr -13.9%0.2% conv.

All search terms

Top single phase to 3 phase converter products on Amazon

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)2 products missing review or click data not plotted

All 24 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

DPS 5HP MY-PS-5 Used for 3HP(2.2kW) 9A Motor Single to 3 Phase Converter 1 DPS Must Be Used for 1 Motor Only Input/Output 200-240V UL Listed

Myung Youn Electronics$119.763.8★123 rev

DPS Sinlge Phase to 3 Phase Converter 7.5HP 23A Input/Output 200V - 240V My-PS-7.5 Model Used for 5HP(3.7kW) 15A Motor DPS Must Be Used for 1 Motor Only UL-Listed

Generic$172.294.0★11 rev

LGIB Single Phase to 3 Phase Converter10HP 220V 3 Phase Converter220V-240V Input/Output Digital Phase Shift for 10HP Motor

LGIB$212.143.7★17 rev

American DPS Single Phase to 3 Phase Converter 7.5HP 23A Input/Output 200V - 240V Digital Phase Shifter Must Be Used for 5HP(3.7kW) 15A Motor DPS Must Be Used for 1 Motor Only UL-Listed

DPS$173.915.0★1 rev

LGIB Single Phase to 3 Phase Converter5HP 220V 3 Phase Converter220V-240V Input/Output Digital Phase Shift for 5HP Motor

LGIB$126.563.2★14 rev

Newest

by launch date

VEVOR Single Phase to 3-Phase Rotary Converter 2.5HP 7A 208-240V Input/Output Rotary Phase Converter - Expandable to Higher Horsepower for Heavy-Load Equipment

VEVOR$415.831 rev

5mo ago

VEVOR Single Phase to 3-Phase Rotary Converter 5HP 14A 208-240V Input/Output Rotary Phase Converter - Expandable to Higher Horsepower for Heavy-Load Equipment

VEVOR$616.601 rev

6mo ago

VEVOR Single Phase to 3-Phase Rotary Converter 10HP 28A 208-240V Input/Output Rotary Phase Converter - Expandable to Higher Horsepower for Heavy-Load Equipment

VEVOR$1061.792 rev

6mo ago

American DPS Single Phase to 3 Phase Converter 7.5HP 23A Input/Output 200V - 240V Digital Phase Shifter Must Be Used for 5HP(3.7kW) 15A Motor DPS Must Be Used for 1 Motor Only UL-Listed

DPS$173.911 rev

7mo ago

American DPS Single Phase to 3 Phase Converter 2HP 6A Input/Output 200V - 240V Digital Phase Shifter Must Be Used for 1HP(0.75kW) 3A Motor DPS Must Be Used for 1 Motor Only UL-Listed

DPS$76.321 rev

7mo ago

What buyers say about single phase to 3 phase converter

What buyers praise and complain about, mined from review topics.

What buyers love

Advertised Vs Actual Product31%

“As described”

Ease Of Use19%

“Its as simple as it gets for your machinery”

Instructions/User Manual/Troubleshooting15%

“has a very clear instruction manual. even if a bit repetitive in places”

Connectivity-Overall8%

“he connected it fairly easily”

Durability8%

“Ive had it for over a year or so”

Assembly/Installation8%

“High quality and easy to install”

Efficiency8%

“Works good”

What buyers complain about

Functionality-Overall29%

“Doesn't work”

Durability25%

“It died after one day of use”

Quality-Overall11%

“Junk”

Assembly/Installation6%

“That is, we reached a point in the set up process where the device would not allow us to complete the set up”

Heating6%

“Overheats to the touch in less than 30 days”

Value For Money6%

“Not Worth the Money”

Product Condition6%

“the product does not appear to be new as advertised”

Natural Resource Wastage3%

“Waste of money”

Size-Overall3%

“I should have bought a smaller one”

Flammable2%

“Huge sparks everywhere”

Top return reasons

Functionality-Overall26%

Compatibility-Overall18%

Size-Overall15%

Defective Material/Parts9%

Motor Issues6%

Advertised Vs Actual Product5%

Amplification3%

Product Condition3%

Durability2%

Noise Level2%

Common questions

Is single phase to 3 phase converter profitable to sell on Amazon United States?: The niche generates $844K/yr across 37 tracked products. 7 of 11 products launched in the last 360 days are still selling. 90-day search growth is -13.4%. Flapen's verdict: Skip it (44/100).
How competitive is the single phase to 3 phase converter niche?: 9 brands and 18 sellers compete. The top 5 products take 44% of clicks and top 5 brands hold 87% of demand.
What do buyers complain about in single phase to 3 phase converter?: Top complaints mined from reviews: Functionality-Overall, Durability, Quality-Overall. The return rate is 10.9% — above our launch gate.
When does demand for single phase to 3 phase converter peak?: Demand peaks in Mar; the busiest month runs 1.6× the quietest.
What does it cost to enter the single phase to 3 phase converter niche?: Listings span $72.03–$2388.04; the average listing price is $455.28 (sweet spot $15–$100). The average incumbent carries 27 reviews — the moat a new listing must climb.