Top 27 Phase Monitoring Relays on Amazon (Verified You can Buy)
DPA51CM44 3 Phase Monitoring Relay, High Performance Voltage Protection Circuit for Motor Elevator Air Compressor Systems
Ratings for YWBL-WH (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Partgry-T | - | ❌ | ❌ | ❌ |
Features
Siemens 3UG4511-1AP20 Monitoring Relay, Three Phase Voltage, Insulation Monitoring, 22.5mm Width, Screw Terminal, 1 CO Contacts, Delay Time, 420-690 Line Supply Voltage
Ratings for SIEMENS (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon.com | - | ✅ | ✅ | ✅ |
| clockwerk | - | ✅ | ✅ | ✅ |
Features
Macromatic Phase Monitor Relay, 190 to 500VAC, 10A @ 277V, 7A @ 30V, 8 Pins, PMPU
Ratings for Macromatic (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Relay Specialties (Authorized Distributor) | - | ❌ | ❌ | ❌ |
TIME Mark 258B 3-Phase Monitor 258B240VAC
Ratings for Generic (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Ralph's Industrial Electronic Supplies | - | ✅ | ✅ | ✅ |
| Northeast Parts | - | ✅ | ✅ | ✅ |
| Electrical Advertiser Inc | - | ❌ | ❌ | ❌ |
Features
Schneider RM22TG20 3 Phase Control Relay RM22-TG - Range 18
Ratings for Pro-face (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Industry4u | - | ❌ | ❌ | ❌ |
ICM401 Three-Phase Line Voltage Monitor Phase Loss and Reversal Protection
Ratings for DabbOo (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| giahungmusociol | - | ❌ | ❌ | ❌ |
| ckluda | - | ❌ | ❌ | ❌ |
TG30 3 Phase Phase Sequence Relay Phase Failure Loss Power Supply Monitor Relay 3 Phase Sequence Protector for Motors Pumps 220 380VAC
Ratings for Kadimendium (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Luwenyo | - | ❌ | ❌ | ❌ |
Features
YWBL-WH SVR1000 Single Phase Protection Relay Over-Voltage 50V-300V Under-Voltage 1V-90V AC/DC(AD220)
Ratings for YWBL-WH (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Partgry-T | - | ✅ | ✅ | ✅ |
Features
Time Mark 20-Series, 3-Phase-Monitor
Ratings for Time Mark (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Electrical Advertiser Inc | - | ❌ | ❌ | ❌ |
Features
Bewinner 3 Phase Voltage Phase Sequence Protector AC 208-480V, Over Under Voltage Protector Monitor Relay with Adjustable Values, AutoManual Reset, Real Time Monitoring for Motor
Ratings for Bewinner (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Bewinner | - | ❌ | ❌ | ❌ |
Features
GRV8-05 Voltage Relay,3-Phase Voltage Monitoring Relay Phase Sequence Phase Failure Protection M265
Ratings for YWBL-WH (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Partgry-T | - | ✅ | ✅ | ✅ |
Features
SVR1000 Single Phase Over Voltage Under Voltage Protection Relay Voltage Monitoring Sequence Relay (AD48)
Ratings for YWBL-WH (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Partgry-T | - | ❌ | ❌ | ❌ |
Features
Walfront Single Phase Overvoltage and Undervoltage Protector SVR1000 Relay 35mm Rail for Electric Motor(AD48)
Ratings for Walfront (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Perfurt | - | ❌ | ❌ | ❌ |
Features
NJB1-X Three Phase AC Voltage Monitoring Relay Phase Sequence Phase Failure Unbalance Protection Elements NJB1-X1
Ratings for Generic (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| iPartsLike | - | ❌ | ❌ | ❌ |
Features
Time Mark 257B 3-Phase Monitor, 3PH,208/240V
Ratings for Time Mark (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Relay Specialties (Authorized Distributor) | - | ❌ | ❌ | ❌ |
Features
Siemens 3UG4513-1BR20 Monitoring Relay, Three Phase Voltage, Insulation Monitoring, 22.5mm Width, Screw Terminal, 2 CO Contacts, Off Delay 0-20s Delay Time, 160-690 Line Supply Voltage
Ratings for SIEMENS (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Data Alchemy | - | ✅ | ✅ | ✅ |
| DataAlchemy | 4,079 | ✅ | ✅ | ✅ |
| clockwerk | - | ✅ | ✅ | ✅ |
| AYDINES | - | ✅ | ✅ | ✅ |
Features
YWBL-WH GRV8-04 M460 Voltage Relay,3-Phase Voltage Monitoring Relay Phase Sequence Phase Failure Protection
Ratings for YWBL-WH (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Partgry-T | - | ✅ | ✅ | ✅ |
Features
Voltage Monitoring Relay DC 12V/24V/36V/48V Over-Voltage and Under-Voltage Relay 35MM Rail 13-17V 10-14V(DC24V)
Ratings for YWBL-WH (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Partgry-T | - | ❌ | ❌ | ❌ |
Features
CARLO GAVAZZI DIB01CB235A 1 SPDT RELAY OUTPUT, 1-PHASE TRUE RMS MONITORING RELAY, 22.5X83.5X99.5MM HOUSING, DIN-RAIL MOUNTING, IP20, MEASURING RANGE 0.1 TO 5A AC/DC, OVER OR UNDER CURRENT, POWER SUPPL
Ratings for CARLO GAVAZZI (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Radwell International | - | ❌ | ❌ | ❌ |
| Mara Industrial | - | ❌ | ❌ | ❌ |
| Online Components - com | - | ❌ | ❌ | ❌ |
Features
MUNEFE GMR 32B Phase Sequence Failure Protector Three Phase Relay 380VAC, Three Phase Voltage Protective Device for Motors, Distribution Boxes
Ratings for MUNEFE (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Fahclio | - | ❌ | ❌ | ❌ |
Features
TimeMark - D263 - Phase Monitor Relay; SMT; 575VAC;Adj450-575V;SPDT;10A; 60Hz; Auto Reset
Ratings for Time Mark (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Relay Specialties (Authorized Distributor) | - | ❌ | ❌ | ❌ |
3 Phase Voltage Monitoring Relay GRV8-05 with Phase Sequence Protection 8 Adjustable Ranges for Industrial Motor Control
Ratings for FTVOGUE (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Kerindas-US | - | ❌ | ❌ | ❌ |
Features
Voltage Phase Sequence Protector 3 Phase Voltage Monitor Monitoring Sequence Relay 4 Wire Over Under Voltage Protector AC 208 to 480V for Machine Tool
Ratings for Walfront (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| numuqia-US | - | ❌ | ❌ | ❌ |
Features
Symcom MotorSaver 3-Phase Voltage Monitor, Model 250A, 190-480V, DPDT Contacts
Ratings for Symcom (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Ralph's Industrial Electronic Supplies | - | ✅ | ✅ | ✅ |
| Relay Specialties (Authorized Distributor) | - | ✅ | ✅ | ✅ |
GRV8-03 Three-Phase Voltage Monitoring Relay Phase Sequence And Phase-Off Relay
Ratings for YWBL-WH (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Partgry-T | - | ❌ | ❌ | ❌ |
Features
SIEMENS 3UG5514-1BR20 Analog Adjustment Monitoring Relay, Phase Failure, Phase Sequence, Asymmetry and Under-Voltage Monitoring 3X 160-690 V AC, 15-70 HZ 2 Changeover Contacts Screw Terminal
Ratings for SIEMENS (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| RK PRIME SUPPLY | - | ❌ | ❌ | ❌ |
| Industry4u | - | ❌ | ❌ | ❌ |
EVTSCAN Latest DPA51CM44 3-Phase Monitoring Relay, Current/Voltage Monitoring Relay Phase Sequence Protector for Three-Phase System, Without Neutral, Phase Loss, 208-480VAC
Ratings for EVTSCAN (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Enlinxun-US | - | ✅ | ✅ | ✅ |
Top 10 Phase Monitoring Relays - Verified to Buy (September 2026)
- 1. DPA51CM44 3 Phase Monitoring Relay, High Performance Voltage Protection Circuit...
- 2. Siemens 3UG4511-1AP20 Monitoring Relay, Three Phase Voltage, Insulation Monitoring, 22.5mm...
- 3. Macromatic Phase Monitor Relay, 190 to 500VAC, 10A @ 277V,...
- 4. TIME Mark 258B 3-Phase Monitor 258B240VAC
- 5. Schneider RM22TG20 3 Phase Control Relay RM22-TG - Range 18
- 6. ICM401 Three-Phase Line Voltage Monitor Phase Loss and Reversal Protection
- 7. TG30 3 Phase Phase Sequence Relay Phase Failure Loss Power...
- 8. YWBL-WH SVR1000 Single Phase Protection Relay Over-Voltage 50V-300V Under-Voltage 1V-90V...
- 9. Time Mark 20-Series, 3-Phase-Monitor
- 10. Bewinner 3 Phase Voltage Phase Sequence Protector AC 208-480V, Over...
Top 10 Phase Monitoring Relays Brands on Amazon
Here is the list of top-rated brands that were evaluated by CherryPicks.
- YWBL-WH
- SIEMENS
- Macromatic
- Generic
- Pro-face
- DabbOo
- Kadimendium
- Time Mark
- Bewinner
- Walfront
Top 10 Phase Monitoring Relays Sellers: CPR Seller Rank List
CPR sellers rank is based on CherryPicks-AI bestselling ranking system that helps us analyze each seller's sales trends. The List of top seller ranks is our in-house data, essential for our product ranking to help you make the right shopping choice.
- 1. DataAlchemy : 15,846 Yearly Feedback , Avg. Ratings 4.4
- 2. Partgry-T : 2,621 Yearly Feedback , Avg. Ratings 4.7
- 3. Perfurt : 2,158 Yearly Feedback , Avg. Ratings 4.7
- 4. Data Alchemy : 1,652 Yearly Feedback , Avg. Ratings 3.6
- 5. Bewinner : 1,514 Yearly Feedback , Avg. Ratings 4.6
- 6. Kerindas-US : 750 Yearly Feedback , Avg. Ratings 4.7
- 7. Mara Industrial : 666 Yearly Feedback , Avg. Ratings 4.5
- 8. Ralph's Industrial Electronic Supplies : 627 Yearly Feedback , Avg. Ratings 4.9
- 9. Online Components - com : 494 Yearly Feedback , Avg. Ratings 4.5
- 10. Radwell International : 483 Yearly Feedback , Avg. Ratings 4.1
| Rank | Name | Yearly Feedbacks | Avg. Ratings |
|---|---|---|---|
| 🥇 | DataAlchemy | 15,846 | 4.4 |
| 🥈 | Partgry-T | 2,621 | 4.7 |
| 🥉 | Perfurt | 2,158 | 4.7 |
| 4 | Data Alchemy | 1,652 | 3.6 |
| 5 | Bewinner | 1,514 | 4.6 |
| 6 | Kerindas-US | 750 | 4.7 |
| 7 | Mara Industrial | 666 | 4.5 |
| 8 | Ralph's Industrial Electronic Supplies | 627 | 4.9 |
| 9 | Online Components - com | 494 | 4.5 |
| 10 | Radwell International | 483 | 4.1 |
[Get] Phase Monitoring Relays Deals (✅Exclusively for Prime)
What does "Amazon Fulfilled" Mean?
Amazon Fulfilled refers to products handled by Amazon's logistics, which indicates that the product is stored, packed, and shipped by Amazon from one of its fulfillment centers.
When you order a product that is "Amazon Fulfilled," Amazon takes care of the storage, packing, shipping, and customer service for that product. This often ensures quicker delivery and better customer service compared to products that are not fulfilled by Amazon. It also means that the product is eligible for Amazon's return policy.
What does "Prime" Mean?
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Shop Prime Phase Monitoring Relays Deals
What does "Free Shipping" Mean?
"Free Shipping" means that you will not be charged additional fees for the shipping of that product. However, unlike "Prime," which usually guarantees fast two-day shipping, "Free Shipping" doesn't necessarily mean fast shipping.
Sometimes there might be a minimum purchase requirement to qualify for free shipping if you are not a Prime member. For Prime members, the "Free Shipping" usually refers to the free two-day shipping that is one of the benefits of the Prime membership.
Why Should You Trust Us?
Now hundreds and thousands of Industrial Electrical supplies are available on Amazon, Picking the right one is not easy, and that may take a lot of your time, Right? and What is the best Phase Monitoring Relays to buy for new September 2026?
CherryPicks’s Methodology for Evaluating Phase Monitoring Relays
We developed the CherryRatings-AI system to identify and score reviews and the CherryPicks-AI ranking system that uses TensorFlow framework to generate the best list, It will help us evaluate Industrial Electrical items that sell on Amazon. The score of items is based on over ten parameters such as analyzing customer review content, product reviewing rating statistics, brand reputation evaluation, comparing product price with features, etc, You can visit How We Rank to learn more in detail.
We collected and analyzed 306 of Phase Monitoring Relays reviews based on our selection criteria. It helped us shortlist the top qualified and rated Phase Monitoring Relays for Industrial Electrical, We found that most customers choose Phase Monitoring Relays with an average price of $89.76, and the top brands are Generic, SIEMENS, Walfront, Bewinner, FTVOGUE, YWBL-WH, EVTSCAN And Kadimendium.
Then our expert-level editors reviewed all those quality items and selected the top 27 Phase Monitoring Relays for you, We have researched hundreds of sellers and picked the top sellers for Industrial Electrical, including DataAlchemy, Partgry-T, Perfurt, Data Alchemy, Bewinner, Kerindas-US, Mara Industrial, Ralph's Industrial Electronic Supplies, Online Components - com, Radwell International, Amazon.com And numuqia-US. The DPA51CM44 3 Phase Monitoring Relay, High Perfor... are available for purchase right now, and The seller of #1 rank product has received honest feedback from 12 consumers with an average rating of 4.0.
We've helped a lot of satisfied users get the right Industrial & Scientific product based on their needs, and save lots of time for them to pick Phase Monitoring Relays to buy.
Brandi is a woman in tech who loves to write about the electronics and gadgets she has used. On this site, she would be providing you unbiased reviews of electronics as they are released into the market to make you know what to expect before making a purchase.