---
title: "Siemens Fs140 — $31K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/electronics/siemens-fs140"
last_updated: "2026-08-11T19:08:46.903Z"
locale: en
meta:
description: "Niche score 28/100 · $31K/yr market · 10K searches/yr · $132.04 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 28/100 · $31K/yr market · 10K searches/yr · $132.04 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Siemens Fs140 — $31K/yr Amazon US Niche (2026) - Flapen"
---
# **siemens fs140**
**Skip it**
A small market ($31K/yr) — this niche doesn't clear our bar today.
Market size 8Growth 28Conversion 28Competition 19Returns 24Price range 12Avg price 64Brand share 36Review moat 91Quality gap 24
**Review moat**
**Great****180.1**
avg incumbent reviews — the moat a new listing must climb
**Avg price**
**Good****$132.04**
avg listing price — sweet spot $15–$100
**Brand share**
**Okay****83%**
top-5 brand share — brands hold most of the demand
**Growth**
**Okay****+2.2%**
90-day search growth — must beat 0% to launch
**Conversion**
**Okay****2.3%**
search→purchase rate — share of searches ending in a sale
**Quality gap**
**Bad****4.6★**
avg incumbent rating — lower means beatable quality
**Returns**
**Bad****5.4%**
return rate — above 5% kills the launch gate
**Competition**
**Bad****77%**
top-5 click share — a locked-up shelf
**Price range**
**Bad****$52.11–$467.84**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Market size**
**Bad****$31K**
$31K/yr · 10K searches
**Signals**[** High Returns**](https://flapen.com/research/niches?market=us&signal=high_returns "Return rate > 5%") [** High Price**](https://flapen.com/research/niches?market=us&signal=high_price "Avg price > $50")
According to Flapen's Amazon United States niche tracking, siemens fs140 is a $31K/yr Amazon United States market (10K searches/yr). The top 5 brands hold 83% of demand. Demand peaks in Jul–Aug–Oct. Verdict: Skip it — 28/100.
Data updated Jul 17, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **siemens fs140 market data**
- **Units sold / yr**
- **100–250**
- avg 0–100/product
- **Revenue / yr**
- **$13K–$33K**
- units × avg price
- **Conversion rate**
- **2.3%**
- **Avg BSR**
- **#786**
- **Page quality**
- **0%**
- **Prime**
- **90%**
- **Sponsored**
- **80%**
- **Out of stock**
- **18.7%**
- **Avg brand age**
- **37 months**
- **Avg seller age**
- **129 days**
## **Competition & brand share**
The top 5 products capture 77% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**9 **▲rising
**Sellers**
**20**
**Top-5 brand share**
**83%**
Top 20: 100%
**Top-5 click share**
**77%**
Top 20: 100%
**Open market**
**12%**
- SIEMENS41% - DearChan15% - Bzcovac11% - Furniqro9% - Bonbo7% - Feeligivin5% - Open — no brand owns it (3 brands, 12%)
## **Demand & seasonality**
Weekly Amazon search volume, last 92 weeks — +2.2% search growth over the last 90 days.
500300Spike '24Spike '25Prime Day '25Spike '26 seasonNovDecJanFebMarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJun
Peak months: Jul, Aug, Oct · busiest ÷ quietest = 2.7×
[**Open Trend **](https://flapen.com/research/us/electronics/siemens-fs140/trend)
## **Top siemens fs140 search terms**
- **siemens fs140**8K/yr-3.8%1.6% conv. - **fs140 siemens surge protector**1K/yr+7.0%2.1% conv. - **fs140**863/yr+20.5%3.2% conv. - **siemens fs140 whole house surge protection**461/yr+79.0%1.4% conv. [**All search terms **](https://flapen.com/research/us/electronics/siemens-fs140/search-terms)
## **Top siemens fs140 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.
0%10%$3K20%$6K30%$9K40%$12K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 10 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Siemens Boltshield FSPD140 Level 2 Whole House Surge Protection Device Rated for 140 000 Amps 120/240V**SIEMENS**$214.83**4.7★218 rev](https://www.amazon.com/dp/B0BN6N3CZN) [2**FS140 Surge Protection Device Whole House Surge Protector Rated for 140 000 Amps for 120/240V Load Center & Breakers Fit for Siemens Electric Box Protects Smart Appliances Indoor/Outdoor Use**DearChan**$76.97**5.0★3 rev](https://www.amazon.com/dp/B0DLGVZBZW) [3**FSPD140 Level 2 Whole House Surge Protection Device - 140 000A Rated for EV Charging Storm Zones and Grid Surges Upgraded Replacement for Siemens FS140 Includes Wiring & Locknut**Bzcovac**$132.08**4.0★6 rev](https://www.amazon.com/dp/B0FHP49V1S) [4**FHSPD140 Whole House Surge Protector FS140 Whole House Surge Protection Device Rated for 140 000 Amps Whole Home Surge Protector Indoor/Outdoor Use 120/240V**Furniqro**$82.64**4.3★63 rev](https://www.amazon.com/dp/B0DJ1J3JJH) [5**FS140 Whole House Surge Protection Device Rated for 140 000 Amps Replace for Siemens FS140 Compatible with Any Brand of Load Center and Breakers 120/240V**Bonbo**$76.19**5.0★6 rev](https://www.amazon.com/dp/B0DLGVB6QS)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Upgraded FS140 Whole House Surge Protection Device 140000 Amp 120/240V Indoor & Outdoor Rated Compatible with Siemens FS140**huoyeao**$52.11**2 rev5mo ago](https://www.amazon.com/dp/B0GJ3JPNXF) [**FSPD140 Level 2 Whole House Surge Protection Device - 140 000A Rated for EV Charging Storm Zones and Grid Surges Upgraded Replacement for Siemens FS140 Includes Wiring & Locknut**Bzcovac**$132.08**6 rev1y ago](https://www.amazon.com/dp/B0FHP49V1S) [**FS140 Surge Protector Whole House Protecting for 140 000 Amps - Whole House Surge Protection Device Compatible with Any Brand of Load Center and Breakers**Feeligivin**$53.04**5 rev1y ago](https://www.amazon.com/dp/B0F7R884XZ) [**FS140 Surge Protection Device Whole House Surge Protector Rated for 140 000 Amps for 120/240V Load Center & Breakers Fit for Siemens Electric Box Protects Smart Appliances Indoor/Outdoor Use**DearChan**$76.97**3 rev1y ago](https://www.amazon.com/dp/B0DLGVZBZW) [**FS140 Whole House Surge Protection Device Rated for 140 000 Amps Replace for Siemens FS140 Compatible with Any Brand of Load Center and Breakers 120/240V**Bonbo**$76.19**6 rev1y ago](https://www.amazon.com/dp/B0DLGVB6QS)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Upgraded FS140 Whole House Surge Protection Device 140000 Amp 120/240V Indoor & Outdoor Rated Compatible with Siemens FS140**huoyeao**$52.11**5.0★**▲ 230%**](https://www.amazon.com/dp/B0GJ3JPNXF) [**FS140 Surge Protector Whole House Protecting for 140 000 Amps - Whole House Surge Protection Device Compatible with Any Brand of Load Center and Breakers**Feeligivin**$53.04**3.6★**▲ 141%**](https://www.amazon.com/dp/B0F7R884XZ) [**Siemens Boltshield FSPD140 Level 2 Whole House Surge Protection Device Rated for 140 000 Amps 120/240V**SIEMENS**$214.83**4.7★**▲ 54%**](https://www.amazon.com/dp/B0BN6N3CZN) [**FSPD140 Level 2 Whole House Surge Protection Device - 140 000A Rated for EV Charging Storm Zones and Grid Surges Upgraded Replacement for Siemens FS140 Includes Wiring & Locknut**Bzcovac**$132.08**4.0★**▲ 49%**](https://www.amazon.com/dp/B0FHP49V1S) [**Fenglesha Surge Protection Device - 140kA Whole House Surge Protection Device for use with Any Brand 120/240V Load Center Replace FS140**Fenglesha**$80.36**4.9★**— 6%**](https://www.amazon.com/dp/B0D2XKPB99)
**~~View all trending →~~**
## **What buyers say about siemens fs140**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Drop/Impact Protection**50%
*“Extra protection for my house”*
**Quality-Overall**13%
*“Well-made device,”*
**Value For Money**13%
*“Does the job at a good price”*
**Advertised Vs Actual Product**9%
*“otherwise looks identical”*
**Assembly/Installation**9%
*“installing it myself”*
### **What buyers complain about **
**Certifications**42%
*“NO NRTL”*
**Functionality-Overall**33%
*“IT DID NOT WORK”*
**Weight Light**8%
*“this unit is a bit lighter in weight”*
### **Top return reasons **
**Size-Overall**23%
**Certifications**19%
**Defective Material/Parts**17%
**Advertised Vs Actual Product**15%
**Functionality-Overall**8%
**Compatibility-Overall**7%
**Noise Level**3%
**Durability**3%
**Connectivity-Overall**3%
**Ethically/Sustainably Sourced**2%
## **Common questions**
- **Is siemens fs140 profitable to sell on Amazon United States?**
- The niche generates $31K/yr across 10 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is +2.2%. Flapen's verdict: Skip it (28/100).
- **How competitive is the siemens fs140 niche?**
- 9 brands and 20 sellers compete. The top 5 products take 77% of clicks and top 5 brands hold 83% of demand.
- **What do buyers complain about in siemens fs140?**
- Top complaints mined from reviews: Certifications, Functionality-Overall, Weight Light. The return rate is 5.4% — above our launch gate.
- **When does demand for siemens fs140 peak?**
- Demand peaks in Jul–Aug–Oct; the busiest month runs 2.7× the quietest.
- **What does it cost to enter the siemens fs140 niche?**
- Listings span $52.11–$467.84; the average listing price is $132.04 (sweet spot $15–$100). The average incumbent carries 180 reviews — the moat a new listing must climb.
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