Best Current Monitoring Relays (Sep. 2026) - Rated by CherryPicks' Experts

At a Glance: Our Top Picks

Top 1

Current Sensing Relay AC Current Sensing Switch 0-10A Normally Open Amp Senso...

9.9
CPR Score
Top 2

MECCANIXITY Miniature Current Switch 8-35V 0-300A DC Current Sensing Switch S...

9.8
CPR Score
Top 3

2PCS 5A Overcurrent Protection Relay Module AC Current Sensor Detection Board...

9.7
CPR Score
Tips


Our team has recommended top 29 Current Monitoring Relays to make your shopping easy after considering different features about Current Monitoring Relays reviews of brands, including MECCANIXITY, Dayton, Jadeshay, Johnson Controls, LiebeWH, GAEYAELE And ZPSHYD. And after researching, Current Sensing Relay AC Current Sensing Switch... is a highly recommended Current Monitoring Relays item.

* CherryPicks.Reviews is reader-supported, Our editor review, and recommend the best products based on extensive data analysis, if you click on the product links, we may earn a commission through qualifying products purchased.

The Best Current Monitoring Relays Rated by CherryPicks

Market Overview
Current Monitoring Relays Reviewed
  • Reviews Analyzed: 213 Items
  • CPR Avg. Rating: 8.5 / 10
29 Products Evaluated
  • Highest Price: $108.00
  • Lowest Price: $5.93
  • Avg. Price: $40.18
Price Disclaimer

Top 29 Current Monitoring Relays on Amazon (Verified You can Buy)

Top 1

Current Sensing Relay AC Current Sensing Switch 0-10A Normally Open Amp Sensor Monitoring Relay(M3010

Lelukee
m3005

Ratings for Lelukee (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
lelukee -

Features

Normally open current sensor: when the perforation line current exceeds the set value, the red light is on and the output signal is a closed; when the current is below the set value, the green light is on and the switch is open
Mutual inductive current monitoring, safety isolation of input and output, self-current monitoring
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Top 2

MECCANIXITY Miniature Current Switch 8-35V 0-300A DC Current Sensing Switch Sensor Monitoring Relay Adjustable Normally Open/Normally Close, D366

MECCANIXITY

Ratings for MECCANIXITY (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
MECCANIXITY 8,155

Features

The DC current sensing switch uses the principle of mutual induction to sense AC, isolate DC current, and output a normally open or normally closed switch signal. Compared with traditional transformers, thermal protectors, etc., it can detect and control more accurately and timely.
Current monitoring relay type: normally open/normally closed; Rated load: 0.3A@240V AC/DC; Monitoring current: 0-300A DC; Auxiliary voltage: 8-35V; Response time: <200ms.
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Top 3

2PCS 5A Overcurrent Protection Relay Module AC Current Sensor Detection Board 12V Relay Current Transformer

GODIYMODULES

Ratings for GODIYMODULES (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
DIY-Module -

Features

2PCS 5A Overcurrent Protection Relay Module AC Current Sensor Detection Board 12V Relay Current Transformer
Working voltage: DC 12V
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Top 4

JOHNSON CONTROLS CSDSC-C50100L-1 .50-100AMP Current SWT, 1.00A @ 30V, 24V NO, Current Sensing Relay, SELF Powered

Johnson Controls
CSDSC-C50100L0
4.1 x 3.2 x 1.0 inches
1.0 Pounds

Ratings for Johnson Controls (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Ebargainworld -

Features

.50-100AMP CURRENT SWT
1.00A @ 30V
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Top 5

1pcs GRI8-01/02 Over/Under Current Monitoring Relay 10A Current Sensing Relay Din Rail Mounted Current Monitor AC/DC24V-240V(GRI8-01 0.1-1A)

NYGOXSXA
NYGOXSXA
0.3937 x 0.3937 x 0.3937 inches

Ratings for NYGOXSXA (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
薛愈贸易有限公司 -

Features

Relays
1pcs GRI8-01/02 Over / Under current Monitoring Relay 10A Current Sensing Relay Din Rail Mounted Current Monitor AC/DC24V-240V
Top 6

Current Sensing Relay AC Current Sensing Switch 0-200A Normally Closed Amp Sensor Monitoring Relay (M3086)

Lelukee
Lelukee22020801

Ratings for Lelukee (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
lelukee -

Features

Normally closed current sensing switch: when the perforation line current exceeds the set value, the green light is on and the output signal is open. The AC and DC load indirectly, when the current is less than the set value, the red light is off and the switch is off is closed
Mutual inductive current monitoring, safety isolation of input and output, self-current monitoring
Show More
Top 7

CYTGOUPER Current Sensing Switch, Normally Open Shift Sensing Relay,Adjustable Current Sensor Voltage Sensing Relay,AC 0.2A-30A SZC23 NO AL CH Model

CYTGOUPER
CYTGOUPER1ufxqk90zv

Ratings for CYTGOUPER (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Cytliamnb -

Features

ABS SELF-EXTINGUISHING MATERIAL - The current sensing relay outer casing is made of self-extinguishing material ABS. The switch has no limit on the number of opening and closing, and the speed reaches the ms level
SELF-POWERED DESIGN - AC current sensing switch,no external power supply required. High-power MOS tube contactless electronic switch. Straight-through structure design, isolation withstand voltage up to 2000V
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Top 8

Copeland Compressor 940C41166 - Current Relay Kit

Copeland
3.0 x 2.0 x 2.0 Inches
4.0 pounds

Ratings for Copeland (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
ControlsCentral -

Features

Current Relay
Top 9

ZPSHYD AC/DC Current Monitoring Relay 2A-20A - GRI8-05B Through-Core Over Under Load Protection, 24V-240V AC/DC, DIN Rail Mount for Motor & Heating Circuit Protection

ZPSHYD

Ratings for ZPSHYD (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Jopatsvin-US -

Features

AC/DC Current Monitor for Dual-Power Systems: The GRI8-05B relay supports both AC and DC current monitoring from 2A to 20A; set overcurrent or undercurrent mode via jumper—ideal for mixed-power industrial environments requiring reliable current detection.
Adjustable Overload Protection with Fast Response: This adjustable overload protection relay features knob-based current setting (2A–20A), 5% measurement accuracy, and ≤0.1s action delay—ensuring immediate response to overloads in motors, heaters, and automated circuits.
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Top 10

MECCANIXITY Miniature Current Switch 8-35V 0-50A DC Current Sensing Switch Sensor Monitoring Relay Adjustable Normally Open/Normally Close, D360

MECCANIXITY

Ratings for MECCANIXITY (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
MECCANIXITY 8,155

Features

The DC current sensing switch uses the principle of mutual induction to sense AC, isolate DC current, and output a normally open or normally closed switch signal. Compared with traditional transformers, thermal protectors, etc., it can detect and control more accurately and timely.
Current monitoring relay type: normally open/normally closed; Rated load: 0.3A@240V AC/DC; Monitoring current: 0-50A DC; Auxiliary voltage: 8-35V; Response time: <200ms.
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Top 11

nodehawk Miniature Current Switch,Current Sensing Switch,with Rails,Normally Open Amp Sensor Monitoring Relay, AC 0-30A Detectable(M3050)

nodehawk
M3050

Ratings for nodehawk (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
FoShanShiHengChuangDianZiYouXianGongSi -

Features

Multi-Purpose: M3050 AC with rails current sensing switch is specially designed and manufactured to solve AC current monitoring. It uses the principle of mutual inductance to sense AC direct current, isolate the AC current, output normally open or normally closed switch signals, and directly control various automated industrial equipment, such as flash lamps, buzzers, relays, microcontrollers or other power load equipment.
Upgrade: Compared with traditional transformers, thermal protectors and other devices, using this device can not only get more accurate and timely control, but also greatly simplify the design and reduce costs. Self-powered, no external power supply required. Input through current: 0-30A AC Rated load: 0.3A@240V AC/DC.
Show More
Top 12

MECCANIXITY Miniature Current Switch 0.08-10A Normally Open AC Current Sensing Switch Sensor Monitoring Relay, M3010

MECCANIXITY

Ratings for MECCANIXITY (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
MECCANIXITY 8,155

Features

The AC current sensing switch uses the principle of mutual induction to sense AC, isolate AC current, and output normally open or normally closed switch signals. Compared with traditional transformers, thermal protectors, etc., it can detect and control more accurately and timely.
Current Monitoring Relays Type: Normally Open (N.O.); Rated load: 0.3A@240V AC/DC; Monitoring current: 0.08-10A AC; Response time: <200ms
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Top 13

Jadeshay AC Current Sensing Switch Normally Open Current Sensing Relay 240V AC 0.2-30A Adjustable Current Sensor M3050 Model

Jadeshay
LUXUJLYOL-GSJAY109950-01
2.7559 x 1.9685 x 1.1811 inches

Ratings for Jadeshay (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Jade_shay -

Features

【Monitoring Function】AC current switch sensor is specially designed and manufactured to solve the problem of AC current monitoring and directly control various automated industrial equipment.
【Easy to Use】This AC current sensing switch is self-powered and does not require external power. Adjustable by potentiometer, the LED indicator can conveniently and intuitively indicate the operating status of the switch.
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Top 14

nodehawk Miniature Current Switch,Current Sensing Switch,with Rails,Normally Closed Amp Sensor Monitoring Relay, AC 0-30A Detectable(M3056)

nodehawk
M3056

Ratings for nodehawk (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
FoShanShiHengChuangDianZiYouXianGongSi -

Features

Multi-Purpose: M3056 AC with rails current sensing switch is specially designed and manufactured to solve AC current monitoring. It uses the principle of mutual inductance to sense AC direct current, isolate the AC current, output normally open or normally closed switch signals, and directly control various automated industrial equipment, such as flash lamps, buzzers, relays, microcontrollers or other power load equipment.
Upgrade: Compared with traditional transformers, thermal protectors and other devices, using this device can not only get more accurate and timely control, but also greatly simplify the design and reduce costs. Self-powered, no external power supply required. Input through current: 0-30A AC Rated load: 0.3A@240V AC/DC.
Show More
Top 15

MECCANIXITY Miniature Current Switch 0-100A Normally Closed AC Current Sensing Switch Sensor Monitoring Relay, M3076

MECCANIXITY

Ratings for MECCANIXITY (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
MECCANIXITY 8,155

Features

The AC current sensing switch uses the principle of mutual induction to sense AC, isolate AC current, and output normally open or normally closed switch signals. Compared with traditional transformers, thermal protectors, etc., it can detect and control more accurately and timely.
Current Monitoring Relays Type: Normally Closed (N.C.); Rated load: 0.3A@240V AC/DC; Monitoring current: 0-100A AC; Response time: <200ms
Show More
Top 16

MECCANIXITY Miniature Current Switch 0-50A Normally Closed AC Current Sensing Switch Sensor Monitoring Relay, M3066

MECCANIXITY

Ratings for MECCANIXITY (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
MECCANIXITY 8,155

Features

The AC current sensing switch uses the principle of mutual induction to sense AC, isolate AC current, and output normally open or normally closed switch signals. Compared with traditional transformers, thermal protectors, etc., it can detect and control more accurately and timely.
Current Monitoring Relays Type: Normally Closed (N.C.); Rated load: 0.3A@240V AC/DC; Monitoring current: 0-50A AC; Response time: <200ms
Show More
Top 17

MECCANIXITY Miniature Current Switch 0.05-5A Normally Open AC Current Sensing Switch Sensor Monitoring Relay, M3005

MECCANIXITY

Ratings for MECCANIXITY (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
MECCANIXITY 8,155

Features

The AC current sensing switch uses the principle of mutual induction to sense AC, isolate AC current, and output normally open or normally closed switch signals. Compared with traditional transformers, thermal protectors, etc., it can detect and control more accurately and timely.
Current Monitoring Relays Type: Normally Open (N.O.); Rated load: 0.3A@240V AC/DC; Monitoring current: 0.05-5A AC; Response time: <200ms
Show More
Top 18

MECCANIXITY 2pcs Miniature Current Switch 0-30A Normally Closed AC Current Sensing Switch Sensor Monitoring Relay, M3056

MECCANIXITY

Ratings for MECCANIXITY (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
MECCANIXITY 8,155

Features

The AC current sensing switch uses the principle of mutual induction to sense AC, isolate AC current, and output normally open or normally closed switch signals. Compared with traditional transformers, thermal protectors, etc., it can detect and control more accurately and timely.
Current Monitoring Relays Type: Normally Closed (N.C.); Rated load: 0.3A@240V AC/DC; Monitoring current: 0-30A AC; Response time: <200ms
Show More
Top 19

MECCANIXITY Miniature Current Switch 0-30A Normally Open AC Current Sensing Switch Sensor Monitoring Relay, M3050

MECCANIXITY

Ratings for MECCANIXITY (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
MECCANIXITY 8,155

Features

The AC current sensing switch uses the principle of mutual induction to sense AC, isolate AC current, and output normally open or normally closed switch signals. Compared with traditional transformers, thermal protectors, etc., it can detect and control more accurately and timely.
Current Monitoring Relays Type: Normally Open (N.O.); Rated load: 0.3A@240V AC/DC; Monitoring current: 0-30A AC; Response time: <200ms
Show More
Top 20

GAEYAELE Current Monitoring Relay Overcurrent Undercurrent Protection Relay(0.5-5A,AC/DC24V~240V)

GAEYAELE
3.54 x 0.71 x 2.52 inches

Ratings for GAEYAELE (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
GAEYAELE Electrical -

Features

Adjustable delay 0.5-10s to eliminate short current peaks.
Flexible adjustment by potentiometer, choice of 6 ranges:AC0.05-0.5A; AC0.1-1A; AC0.2-2A; AC0.5-5A; AC0.8-8A; AC1.6-16A
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Top 21

Veris,Current Switch and SPST Relay,N.O, H735

Veris Industries
H-735
3.2 x 2.4 x 1.0 inches
0.3 Pounds

Ratings for Veris Industries (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Homestead Supply & More ✅ 3,139
ControlsCentral -
Blackhawk Supply -
toomanyamps -
Radwell International -
Consumer Supply Co -

Features

The Hawkeye Relay Combination Series is the ideal solution for the automation installer.
These units combine a current switch and relay into a single package, reducing the space required for total control of fans and pumps.
Show More
Top 22

Current Sensing Relay AC Current Sensing Switch 0-10A Normally Close Amp Sensor Monitoring Relay(M3010 (M3005)

Lelukee
m3005

Ratings for Lelukee (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
lelukee -

Features

Mutual inductive current monitoring, safety isolation of input and output, self-current monitoring
The range of the monitored current is up to 10 A, the monitoring threshold is adjustable
Show More
Top 23

Current Sensing Relay AC Current Sensing Switch 0-30A Normally Open Amp Sensor Monitoring Relay (M3050)

Lelukee
Lelukee22020801

Ratings for Lelukee (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
lelukee -

Features

Normally open current sensor: when the perforation line current exceeds the set value, the red light is on and the output signal is a closed; when the current is below the set value, the green light is on and the switch is open
Mutual inductive current monitoring, safety isolation of input and output, self-current monitoring
Show More
Top 24

DC Current Detection Relay Module 0-30A with Overcurrent Protection

LiebeWH
LiebeWHq0ung25cib

Ratings for LiebeWH (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Danyanty -

Features

Range: DC current detection relay module measures 0 30A with 0.01A accuracy for precise monitoring.
Power: Sensing module can turn off LED display to reduce energy use.
Show More
Top 25

MECCANIXITY 2pcs Miniature Current Switch 0-30A Normally Open AC Current Sensing Switch Sensor Monitoring Relay, M3050

MECCANIXITY

Ratings for MECCANIXITY (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
MECCANIXITY 8,155

Features

The AC current sensing switch uses the principle of mutual induction to sense AC, isolate AC current, and output normally open or normally closed switch signals. Compared with traditional transformers, thermal protectors, etc., it can detect and control more accurately and timely.
Current Monitoring Relays Type: Normally Open (N.O.); Rated load: 0.3A@240V AC/DC; Monitoring current: 0-30A AC; Response time: <200ms
Show More
Top 26

Current Sensing Relay AC Current Sensing Switch 0-30A Normally Closed Amp Sensor Monitoring Relay (M3056)

Lelukee
Lelukee22020801

Ratings for Lelukee (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
lelukee -

Features

Normally closed current sensing switch: when the perforation line current exceeds the set value, the green light is on and the output signal is open. The AC and DC load indirectly, when the current is less than the set value, the red light is off and the switch is off is closed
Mutual inductive current monitoring, safety isolation of input and output, self-current monitoring
Show More
Top 27

Dayton Current Sensing Relay, 120VAC, 10A @ 240V, 8A @ 28V, SPDT, Mounting: Surface

Dayton

Ratings for Dayton (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Daler Store -
Top 28

GEYA Current Monitoring Relay Straight-Through 2A-20A AC/DC 24V-240V Over & Under Current Protection DIN Rail(GRI8-05A,AC Measurement ONLY)

GEYA

Ratings for GEYA (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
GEYAELE -

Features

【Product parameters】05A:Can only monitor AC loads.05B:Distinguished by an arrow;can monitor both AC and DC loads.
【Adjustable nature】Customizable over/under current settings with a jumper,tailoring protection for various loads.
Show More
Top 29

Veris,Current Switch & SPST Relay,Split,N.O, H938

Veris Industries
H938
4.0 x 5.0 x 4.0 inches
0.4 Pounds

Ratings for Veris Industries (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Blackhawk Supply -
Radwell International -
Sentinel Power Inc -

Features

The Hawkeye Relay Combination Series is the ideal solution for the automation installer
These units combine a current switch and relay into a single package, reducing the space required for total control of fans and pumps
Show More

Top 10 Current Monitoring Relays - Verified to Buy (September 2026)

Top 10 Current Monitoring Relays Brands on Amazon

Here is the list of top-rated brands that were evaluated by CherryPicks.

  • Lelukee
  • MECCANIXITY
  • GODIYMODULES
  • Johnson Controls
  • NYGOXSXA
  • CYTGOUPER
  • Copeland
  • ZPSHYD
  • nodehawk
  • Jadeshay

Top 10 Current 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.

Rank Name Yearly Feedbacks Avg. Ratings
🥇 Homestead Supply & More ✅ 19,991 4.2
🥈 MECCANIXITY 8,622 4.9
🥉 toomanyamps 2,063 4.8
4 ControlsCentral 1,948 4.5
5 Ebargainworld 1,356 4.4
6 Danyanty 1,061 4.8
7 Consumer Supply Co 917 4.4
8 Jade_shay 739 4.6
9 Radwell International 483 4.1
10 lelukee 312 4.8
View or download top Current Monitoring Relays seller & rating report
Homestead Supply & More ✅ [19991] MECCANIXITY [8622] toomanyamps [2063] ControlsCentral [1948] Ebargainworld [1356] Danyanty [1061] Consumer Supply Co [917] Jade_shay [739] Radwell International [483] lelukee [312] Homestead Supply & More ✅ 53% MECCANIXITY 23% toomanyamps 6% ControlsCentral 5% Ebargainworld 4% Danyanty 3% Consumer Supply Co 2% Jade_shay 2% Radwell International 1% lelukee 1%

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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 Current Monitoring Relays to buy for new September 2026?

CherryPicks’s Methodology for Evaluating Current 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 Current Monitoring Relays reviews based on our selection criteria. It helped us shortlist the top qualified and rated Current Monitoring Relays for Industrial Electrical, We found that most customers choose Current Monitoring Relays with an average price of $40.18, and the top brands are MECCANIXITY, Dayton, Jadeshay, Johnson Controls, LiebeWH, GAEYAELE And ZPSHYD

Then our expert-level editors reviewed all those quality items and selected the top 29 Current Monitoring Relays for you, We have researched hundreds of sellers and picked the top sellers for Industrial Electrical, including Homestead Supply & More ✅, MECCANIXITY, toomanyamps, ControlsCentral, Ebargainworld, Danyanty, Consumer Supply Co, Jade_shay, Radwell International, lelukee, GAEYAELE Electrical And Blackhawk Supply. The Current Sensing Relay AC Current Sensing Switch... are available for purchase right now, and The seller of #1 rank product has received honest feedback from 1 consumers with an average rating of 3.0.

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 Current Monitoring Relays to buy.


Written By Brandi W. Cortright

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.