Top 51 Industrial Scientific Voltage Monitoring Relays

Last Updated: Nov 17, 2024 • 7,088 reviews analyzed

Our most popular Industrial Scientific Voltage Monitoring Relays products based on sales, online popularity and other expert reviews. Updated frequently.

#1
OONO DPST 1NO 1NC 8Amp Power Relay Module, AC/DC 12V Control Voltage

OONO DPST 1NO 1NC 8Amp Power Relay Module, AC/DC 12V Control Voltage

4.5
On popular sellers 12 days for last 30 days Found on 2023-02-04
#2
NOYITO 1-Channel Self-locking Relay Module One Button Start-Stop Bistable 10A Load for SCM Control, Household Appliances Control, Industrial Equipment Control (5V)

NOYITO 1-Channel Self-locking Relay Module One Button Start-Stop Bistable 10A Load for SCM Control, Household Appliances Control, Industrial Equipment Control (5V)

3.6
On popular sellers 15 days for last 30 days Found on 2024-07-31
#3
SVP‑916 100‑130VAC Adjustable Over and Under Voltage Protector Delay Reset Protector with Fault Query and Factory Reset Function

SVP‑916 100‑130VAC Adjustable Over and Under Voltage Protector Delay Reset Protector with Fault Query and Factory Reset Function

3.5
On popular sellers 15 days for last 30 days Found on 2024-05-30
#4
Voltage Protective Device, Double LED Display Single Phase Adjustable Voltage Current Protector AC230V 63A, Over Voltage Under Voltage, 3.2 x 1.4 x 2.4in

Voltage Protective Device, Double LED Display Single Phase Adjustable Voltage Current Protector AC230V 63A, Over Voltage Under Voltage, 3.2 x 1.4 x 2.4in

3.5
On popular sellers 15 days for last 30 days Found on 2023-09-06
#5
Crystal Crystal

Crystal Crystal

3.2
On popular sellers 12 days for last 30 days Found on 2024-10-16
#6
DVRD Voltage Monitoring Relay DC 12V/24V/36V/48V Over-Voltage and Undervoltage Protector Relay(DC12V)

DVRD Voltage Monitoring Relay DC 12V/24V/36V/48V Over-Voltage and Undervoltage Protector Relay(DC12V)

3.2
On popular sellers 12 days for last 30 days Found on 2024-05-06
#7
Multifunction Time Relay Module, 8-36V 4-channel Multifunction Time Delay Relay Interface Board Module Optocoupler LED

Multifunction Time Relay Module, 8-36V 4-channel Multifunction Time Delay Relay Interface Board Module Optocoupler LED

3.2
On popular sellers 12 days for last 30 days Found on 2023-03-26
#8
HiLetgo 5V 1 Channel Self Locking Bistable One Button Start/Stop Self-Locking Relay Module Relay Switch for MCU Control

HiLetgo 5V 1 Channel Self Locking Bistable One Button Start/Stop Self-Locking Relay Module Relay Switch for MCU Control

3.2
On popular sellers 12 days for last 30 days Found on 2023-03-11
#9
Nikou Voltage and Current Protector, 230VAC 63A, Intelligent Single-phase Adjustable Overvoltage and Undervoltage Current Protector for House Protection

Nikou Voltage and Current Protector, 230VAC 63A, Intelligent Single-phase Adjustable Overvoltage and Undervoltage Current Protector for House Protection

3.1
On popular sellers 12 days for last 30 days Found on 2024-05-06
#10
HiLetgo 12V 6 Channel Relay Module Self-Lock Interlock Relay High Low Trigger Relay Module 3 in One

HiLetgo 12V 6 Channel Relay Module Self-Lock Interlock Relay High Low Trigger Relay Module 3 in One

3.1
On popular sellers 12 days for last 30 days Found on 2024-02-06
#11
3.3V DC Photoelectrical Coupler Isolating PLC Relay Module 3.3VDC to 3-48VDC Port Diameter 6.2mm

3.3V DC Photoelectrical Coupler Isolating PLC Relay Module 3.3VDC to 3-48VDC Port Diameter 6.2mm

3.1
On popular sellers 12 days for last 30 days Found on 2024-05-06
#12
SymCom MotorSaver 3-Phase Voltage Monitor Model 201A, 190-480V, 8-Pin Octal Base

SymCom MotorSaver 3-Phase Voltage Monitor Model 201A, 190-480V, 8-Pin Octal Base

3.1
On popular sellers 12 days for last 30 days Found on 2022-10-26
#13
3 Phase Voltage Monitoring Sequence Relay JVR800-2 Voltage Protection Relay Under Over Voltage Protector

3 Phase Voltage Monitoring Sequence Relay JVR800-2 Voltage Protection Relay Under Over Voltage Protector

3.1
On popular sellers 12 days for last 30 days Found on 2021-12-11
#14
AD584KH High Precision 4-Channel 2.5V/7.5V/5V/10V Voltage Reference Module with Case

AD584KH High Precision 4-Channel 2.5V/7.5V/5V/10V Voltage Reference Module with Case

3.1
On popular sellers 12 days for last 30 days Found on 2023-04-14
#15
Eagles 5pcs 1 Channel 3V Relay Module with Optocoupler for ESP8266 Module,3v Logic Level Boards,Raspberry Pi 3.3v Application

Eagles 5pcs 1 Channel 3V Relay Module with Optocoupler for ESP8266 Module,3v Logic Level Boards,Raspberry Pi 3.3v Application

3.1
On popular sellers 12 days for last 30 days Found on 2023-01-19
#16
TG30S 220-440V AC 3-Phase Sequence Relay Protector Voltage Phase Protective Relay

TG30S 220-440V AC 3-Phase Sequence Relay Protector Voltage Phase Protective Relay

3.1
On popular sellers 12 days for last 30 days Found on 2023-01-19
#17
DPST 1NO 1NC 8 Amp Power Relay Module (AC 110V/115V/120V)

DPST 1NO 1NC 8 Amp Power Relay Module (AC 110V/115V/120V)

3.1
On popular sellers 12 days for last 30 days Found on 2023-01-12
#18
YWBL-WH Voltage Monitoring Relay Over-Voltage and Under-Voltage Protection Relay 35MM Guide Rail 13-17V 10-14V(DC12V)

YWBL-WH Voltage Monitoring Relay Over-Voltage and Under-Voltage Protection Relay 35MM Guide Rail 13-17V 10-14V(DC12V)

3.1
On popular sellers 12 days for last 30 days Found on 2022-01-24
#19
Diitao 10PCS DC 5V 1 Channel Relay Module Interface Board Shield Low Level Trigger Extension Board for SCM Household Appliance Control DIY 1 Road 5V (5V 1-Channel)…

Diitao 10PCS DC 5V 1 Channel Relay Module Interface Board Shield Low Level Trigger Extension Board for SCM Household Appliance Control DIY 1 Road 5V (5V 1-Channel)…

3.1
On popular sellers 12 days for last 30 days Found on 2023-02-04
#20
Voltage Phase Sequence Protector 3 Phase Voltage Monitor Monitoring Sequence Relay 4 Wire Over Under Voltage Protector AC 208 to 480V for Machine Tool

Voltage Phase Sequence Protector 3 Phase Voltage Monitor Monitoring Sequence Relay 4 Wire Over Under Voltage Protector AC 208 to 480V for Machine Tool

3.1
On popular sellers 12 days for last 30 days Found on 2024-05-30
#21
AEDIKO DC 12V Relay Module 8 Channel Relay Board with OPTO-Isolated High or Low Level Trigger

AEDIKO DC 12V Relay Module 8 Channel Relay Board with OPTO-Isolated High or Low Level Trigger

3.1
On popular sellers 12 days for last 30 days Found on 2023-02-04
#22
NOYITO Voltage Relay Module Upper Lower Limit Detection Control Switch Off ON Over Voltage Protection Battery Charge Discharge Timing (12V)

NOYITO Voltage Relay Module Upper Lower Limit Detection Control Switch Off ON Over Voltage Protection Battery Charge Discharge Timing (12V)

3.1
On popular sellers 12 days for last 30 days Found on 2023-04-22
#23
NTE Electronics R95-113 8 Pin Octal Socket with Pressure Clamp Screw, Panel/Surface Mount, 600V, 10 Amp

NTE Electronics R95-113 8 Pin Octal Socket with Pressure Clamp Screw, Panel/Surface Mount, 600V, 10 Amp

3
On popular sellers 12 days for last 30 days Found on 2023-01-19
#24
YWBL-WH RD6-W LCD Display Under Over Voltage Phase Sequence Protector 3 Phase Voltage Monitor Relay 208-480VAC

YWBL-WH RD6-W LCD Display Under Over Voltage Phase Sequence Protector 3 Phase Voltage Monitor Relay 208-480VAC

3
On popular sellers 12 days for last 30 days Found on 2022-04-24
#25
CZH-LABS Voltage Comparator Relay Board, DC12V, SPDT 10Amp Relay.

CZH-LABS Voltage Comparator Relay Board, DC12V, SPDT 10Amp Relay.

3
On popular sellers 12 days for last 30 days Found on 2023-03-26
#26
SVP912 120VAC Self Recovery Under Voltage Protector Adjustable Voltage Protective Device Automatic Reset Protection Switch (40A)

SVP912 120VAC Self Recovery Under Voltage Protector Adjustable Voltage Protective Device Automatic Reset Protection Switch (40A)

3
On popular sellers 12 days for last 30 days Found on 2023-07-15
#27
Symcom 460 Three Phase Voltage Monitor Adj.VUB,TD,RD/DIN rail

Symcom 460 Three Phase Voltage Monitor Adj.VUB,TD,RD/DIN rail

3
On popular sellers 12 days for last 30 days Found on 2023-03-21
#28
Double LED Display Protector Intelligent Single Phase Voltage Current Protector Adjustable Voltage Protective Device AC230V 63A

Double LED Display Protector Intelligent Single Phase Voltage Current Protector Adjustable Voltage Protective Device AC230V 63A

3
On popular sellers 12 days for last 30 days Found on 2023-01-19
#29
DAOKAI 5 PCS 1 Channel Relay Module 5V Low Level Trigger Relay Shield Module Control Board with Optocoupler Isolation LED Warning Lamp Dupont Cable for Arduino

DAOKAI 5 PCS 1 Channel Relay Module 5V Low Level Trigger Relay Shield Module Control Board with Optocoupler Isolation LED Warning Lamp Dupont Cable for Arduino

3
On popular sellers 12 days for last 30 days Found on 2024-07-03
#30
Double LED Display Single Phase Adjustable Voltage Current Protector Voltage Protective Device AC230V 63A 81 x 36 x 60mm

Double LED Display Single Phase Adjustable Voltage Current Protector Voltage Protective Device AC230V 63A 81 x 36 x 60mm

3
On popular sellers 12 days for last 30 days Found on 2023-01-19
#31
ESP32 2 Channel 5V Relay Module 4M Byte Flash Large Capacity Programmable Relay Board for Secondary Development Learning

ESP32 2 Channel 5V Relay Module 4M Byte Flash Large Capacity Programmable Relay Board for Secondary Development Learning

3
On popular sellers 12 days for last 30 days Found on 2023-01-19
#32
Electronics-Salon DIN Rail Mount 8 SPDT Power Relay Interface Module. (Operating Voltage: DC 5V)

Electronics-Salon DIN Rail Mount 8 SPDT Power Relay Interface Module. (Operating Voltage: DC 5V)

3
On popular sellers 12 days for last 30 days Found on 2023-01-19
#33
NOYITO 30A 1 Channel Relay Module High Low Level Trigger with Optocoupler Isolation Load DC 30V AC 250V 30A for PLC Automation Equipment Control Industrial Control (1 Channel 12V)

NOYITO 30A 1 Channel Relay Module High Low Level Trigger with Optocoupler Isolation Load DC 30V AC 250V 30A for PLC Automation Equipment Control Industrial Control (1 Channel 12V)

3
On popular sellers 12 days for last 30 days Found on 2023-01-12
#34
Chazcool ESP Relay, 2 Channel 5V Relay Module, 4M Byte Flash Large Capacity Programmable Relay Board for Secondary Development Learning

Chazcool ESP Relay, 2 Channel 5V Relay Module, 4M Byte Flash Large Capacity Programmable Relay Board for Secondary Development Learning

3
On popular sellers 15 days for last 30 days Found on 2024-09-11
#35
SENSOR SWITCH NPP16-D-EFP Latching Relay Type, EFP, 120/240/347 VAC, NLIGHT Relay/Power Pack

SENSOR SWITCH NPP16-D-EFP Latching Relay Type, EFP, 120/240/347 VAC, NLIGHT Relay/Power Pack

3
On popular sellers 12 days for last 30 days Found on 2024-07-31
#36
Abwan Relay Switch Protection Device, RC Absorption/Snubber Circuit Module Relay Contact Protection Resistance Circuit/electromagnetic Anti-Interference Module

Abwan Relay Switch Protection Device, RC Absorption/Snubber Circuit Module Relay Contact Protection Resistance Circuit/electromagnetic Anti-Interference Module

3
On popular sellers 12 days for last 30 days Found on 2023-01-19
#37
12V/24V DPST 80A/250VAC 50A/30VDC Latching Relay Module

12V/24V DPST 80A/250VAC 50A/30VDC Latching Relay Module

3
On popular sellers 12 days for last 30 days Found on 2023-02-04
#38
CZH-LABS DIN Rail Mount Voltage Comparator Relay Module, DC12V, SPDT 10Amp Relay.

CZH-LABS DIN Rail Mount Voltage Comparator Relay Module, DC12V, SPDT 10Amp Relay.

3
On popular sellers 12 days for last 30 days Found on 2023-03-26
#39
CARLO GAVAZZI DPA51CM44 Mini 3-Phase Loss/Sequence Monitor, Slim 17.5 mm Width, 208-480 VAC Monitoring, SPDT 5 amp Contact Output, Diagnostic LEDs, 2.8 oz. Size, 24 mm Height x 99 mm Width x 73 mm Diameter

CARLO GAVAZZI DPA51CM44 Mini 3-Phase Loss/Sequence Monitor, Slim 17.5 mm Width, 208-480 VAC Monitoring, SPDT 5 amp Contact Output, Diagnostic LEDs, 2.8 oz. Size, 24 mm Height x 99 mm Width x 73 mm Diameter

3
On popular sellers 12 days for last 30 days Found on 2024-07-25
#40
Oumefar DVRD Voltage Monitoring Relay, DC 12V/24V/36V/48V Over-Voltage and Undervoltage Protector Relay for Electrical Equipment or Compressors, Emergency/Backup Power Switching Control(DC24V)

Oumefar DVRD Voltage Monitoring Relay, DC 12V/24V/36V/48V Over-Voltage and Undervoltage Protector Relay for Electrical Equipment or Compressors, Emergency/Backup Power Switching Control(DC24V)

3
On popular sellers 12 days for last 30 days Found on 2024-08-10
#41
LITTELFUSE 102A 240VAC Switching, Phase Monitoring Relay, 190-480VAC Range, Flange Mount, 10AMP, SPDT

LITTELFUSE 102A 240VAC Switching, Phase Monitoring Relay, 190-480VAC Range, Flange Mount, 10AMP, SPDT

3
On popular sellers 12 days for last 30 days Found on 2023-01-19
#42
ICM Controls ICM450 3-Phase Monitor, 25-Fault Memory, LCD Setup and Diagnostics, Fault Identification (Single Pack)

ICM Controls ICM450 3-Phase Monitor, 25-Fault Memory, LCD Setup and Diagnostics, Fault Identification (Single Pack)

3
On popular sellers 12 days for last 30 days Found on 2024-05-06
#43
Relay Module, 4 Channel Flip-Flop DC 12V Bistable Self-Locking Relay Module Low Pulse Trigger Relay 6-24VDC for Automotive Electronics, Motor, LED

Relay Module, 4 Channel Flip-Flop DC 12V Bistable Self-Locking Relay Module Low Pulse Trigger Relay 6-24VDC for Automotive Electronics, Motor, LED

3
On popular sellers 12 days for last 30 days Found on 2024-05-06
#44
GEYA Voltage Monitor Device Over-Voltage and Under-Voltage Protection Relay 2SPDT 10A (GRV8-02,AC/DC110V-240V)

GEYA Voltage Monitor Device Over-Voltage and Under-Voltage Protection Relay 2SPDT 10A (GRV8-02,AC/DC110V-240V)

3
On popular sellers 12 days for last 30 days Found on 2024-03-22
#45
FainWan 5pcs DC 5V 1 Channel Relay Module Interface Board Shield Low Level Trigger for SCM Household Appliance Control

FainWan 5pcs DC 5V 1 Channel Relay Module Interface Board Shield Low Level Trigger for SCM Household Appliance Control

3
On popular sellers 12 days for last 30 days Found on 2023-01-19
#46
Phase Sequence Protection Relay,JVR800-2 Under Over Voltage Protector 3 Phase Voltage Monitoring Sequence Protection Relay

Phase Sequence Protection Relay,JVR800-2 Under Over Voltage Protector 3 Phase Voltage Monitoring Sequence Protection Relay

3
On popular sellers 12 days for last 30 days Found on 2023-01-19
#47
1 Channel 3V Relay High Level Driver Module Optocoupler Relay Module for ESP8266 Based Board

1 Channel 3V Relay High Level Driver Module Optocoupler Relay Module for ESP8266 Based Board

2.7
On popular sellers 10 days for last 30 days Found on 2024-10-22
#48
ATC SLU-100-ASA Universal Phase Monitor, 550 VAC Maximum Voltage, 90VA Maximum Power Required

ATC SLU-100-ASA Universal Phase Monitor, 550 VAC Maximum Voltage, 90VA Maximum Power Required

2.7
On popular sellers 10 days for last 30 days Found on 2024-05-06
#49
ICM Controls UMSR-50 Universal Motor Starting Relay, 50 Amp, Patented Differential Voltage Sensing, Voltage Rating 110V - 270V AC, Single Phase (Maximum Voltage Contact Rating 502V AC)

ICM Controls UMSR-50 Universal Motor Starting Relay, 50 Amp, Patented Differential Voltage Sensing, Voltage Rating 110V - 270V AC, Single Phase (Maximum Voltage Contact Rating 502V AC)

2.6
On popular sellers 10 days for last 30 days Found on 2023-01-12
#50
Taidacent LM393 Voltage Comparator Relay Module 1 Channel / 1CH 5V/12V/24V Volt Comparison Board Stable Perfect (12V)

Taidacent LM393 Voltage Comparator Relay Module 1 Channel / 1CH 5V/12V/24V Volt Comparison Board Stable Perfect (12V)

2.6
On popular sellers 10 days for last 30 days Found on 2023-03-26
#51
Omron H3CR-F8 AC100~240V Timer, 8-pin, AC100~240V/DC100-125

Omron H3CR-F8 AC100~240V Timer, 8-pin, AC100~240V/DC100-125

2.5
On popular sellers 10 days for last 30 days Found on 2023-02-04

EDITOR'S NOTES

During our Industrial Scientific Voltage Monitoring Relays research, we found hundreds Industrial Scientific Voltage Monitoring Relays products and shortlisted 51 quality products. We collected and analyzed 7,088 customer reviews through our big data system to write the Industrial Scientific Voltage Monitoring Relays list. We found that most customers choose Industrial Scientific Voltage Monitoring Relays with an average rating of 2.3 . The seller of top 1 product with rating 4.5 and has received honest feedback from 388 consumers.

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