10 Best Voltage Monitoring Relays
#1 Best Pick
GAEYAELE Voltage Monitoring Relay Phase Sequence and Phase Failure Protection Relay AC127V-265V 10A 1SPDT(GRV8-03,M265)
Brand: GAEYAELE
Read more
- Function Feature:Controls its own supply voltage(True RMS measurement).
- Rated Voltage:Set 8-level rated operating voltage through knob.Voltage measurement accuracy<1%.
- Measuring Frequency Range:45Hz-65Hz.
- Relay Status:Its working status is indicated by the LED indicator.
- Product Size:Ultra-small size, only 18mm width, 35mm rail mounting.
Check latest price on Amazon
#2 Best Value
GAEYAELE Voltage Monitoring Relay Phase Sequence and Phase Failure Protection Relay AC220V-460V 10A 1SPDT(GRV8-03,M460)
Brand: GAEYAELE
Read more
- Function Feature:Controls its own supply voltage(True RMS measurement).
- Rated Voltage:Set 8-level rated operating voltage through knob.Voltage measurement accuracy<1%.
- Measuring Frequency Range:45Hz-65Hz.
- Relay Status:Its working status is indicated by the LED indicator.
- Product Size:Ultra-small size, only 18mm width, 35mm rail mounting.
Check latest price on Amazon
#3 Budget Pick
Car Relay Tester 12V 24V, Digital Battery Voltage Analyzer for 4 Pin 5 Pin Relays, Automotive Electrical Diagnostic Tool for Vehicle Diagnostics
Brand: ViaGasaFamido
Read more
- [Safe Testing]Insulated silicone alligator clips prevent electric leakage, ensuring user safety during the testing process.
- [Precise Monitoring]High-definition screen displays voltage of 12V to 24V batteries in real-time to keep track of your vehicle's electrical condition.
- [Multi-Pin Compatibility]Supports testing of both 4-pin and 5-pin relays, making it versatile for different vehicle types from cars to trucks.
- [Stable Performance]Integrated design reduces of loosening, allowing for stable and accurate test results every time.
- [Intelligent Indicator]Clear indicator lights show relay status at a glance with red for faults and green for normal operation.
Check latest price on Amazon
#4 Top Choice
GEYA 3 Phase Failure Phase Sequence Voltage Monitoring Relay Voltage Sensing Protection Relay 1SPDT 10A(GRV8-06,AC220V-460V)
Brand: GEYA
Read more
- Function Feature:Controls its own supply voltage(True RMS measurement).
- Rated Voltage:Set 8-level rated operating voltage through knob.Voltage measurement accuracy<1%.
- Measuring Frequency Range:45Hz-65Hz.
- Relay Status:Its working status is indicated by the LED indicator.
- Product Size:Ultra-small size, only 18mm width, 35mm rail mounting.
Check latest price on Amazon
#5 Popular Choice
Badafaci 3-Phase Monitoring Relay 208-480VAC Current Voltage Monitoring Relay Phase Sequence Protector
Brand: Badafaci
Read more
- DPA51CM44 3-Phase monitoring relay features strong anti-interference performance
- Compact size and convenient for installation
- Maintain constant and efficient work of the motor
- Widely used in motor protection, elevator, air conditioning system, power system and other industries
- 3-phase monitoring relay for phase sequence and phase loss
Check latest price on Amazon
#6 Top Pick
AKLOSIPY DC Current Detection Module Relay Switch Sensor with Digital Display for Motor Control 7-30V 10A
Brand: AKLOSIPY
Read more
- Control - This advanced DC current detection module features an intelligent relay switch that automatically connects and disconnects the line when current levels are too high or too low. By providing real-time power management, you can be confident that your devices are protected from damage, while receiving accurate signaling to performance effectively.
- Wide Detection - Capable of conveniently detecting DC voltages ranging from 7 to 30V and currents between 0 to 10A, this versatile module ensures comprehensive monitoring of your electrical systems. Its detection voltage is equivalent to the input power voltage, which means you receive accurate readings every time, enhancing your overall project reliability and efficiency.
- Practical Calibration - Featuring an innovative error calibration function, this module allows users to calibrate readings for maximum accuracy. Additionally, the digital display can be turned off for extended periods to conserve power, making it an choice for -term monitoring without sacrificing functionality and effectiveness.
- High - With an impressive accuracy rate of up to 0.01A, this current detection module minimizes errors and ensures precise measurements. This high of accuracy not only enhances your workflow but also enables easier analysis and decision-making, making it a tool for both hobbyists and professionals.
- User-Friendly Display - The clear digital display offers an easy-to-read view of your work status, eliminating guesswork and simplifying monitoring tasks. Coupled with straightforward operational design, this module helps stalling and streamlines your projects, allowing you to on the task at hand without any distractions.
Check latest price on Amazon
#7 Top Pick
AULESSE 12V 140 Amp Split Charge Relay with Led Voltmeter, Manual/Auto Mode Waterproof Voltage Sensitive Relay, VSR Smart Dual Battery Isolator for Marine Truck ATV UTV RV Boat Vehicles
Brand: AULESSE
Read more
- 【Manual State Use Function】In manual model, you can complete the circuit connection and disconnection by pressing the blue indicator button each time. When the circuit is switched on, the red indicator and voltmeter will light up. When the circuit is disconnected, the red indicator and voltmeter will go out.
- 【Automatic State Use Function】In automatically model, when the dual battery isolator input voltage exceeds 13.3V,the voltmeter and red LED indicator will be ON. When the input voltage evoltage drops to 12.7V ,the voltmeter and red LED indicator will be OFF .The circuit will be disconnected automatically when the input voltage reaches lower than 11V or more than 17V in order to protect the secondary battery from high voltage impact.
- 【Voltmeter Display】The voltage sensitive relay surface is equipped with an LED display to display the current voltage status. If two batteries are connected, the voltage displayed on the voltmeter is the battery with higher voltage. Press the button once if the voltmeter is not working and it will display the value for 2 seconds.
- 【Wide Application】The split charge relay waterproof grade is IP68,effective waterproof and dustproof,can work in wet envirorment. Automatically combines two batteries when charging and isolates the two batteries when not charging,which can widely used in 12v camper van trucks, caravans, and camping applications.
- 【What You Get】Package include:1 x Car Battery Relay. If you are not completely satisfied with ours producdt within 30 days ,we will glad to give you a replacement or a refund.
Check latest price on Amazon
#8 Top Pick
GEYA Voltage Monitoring Relay Phase Sequence and Phase Failure Protection Relay 1SPDT 10A(GRV8-03,AC220V-460V)
Brand: GEYA
Read more
- Function Feature:Controls its own supply voltage(True RMS measurement).
- Rated Voltage:Set 8-level rated operating voltage through knob.Voltage measurement accuracy<1%.
- Measuring Frequency Range:45Hz-65Hz.
- Relay Status:Its working status is indicated by the LED indicator.
- Product Size:Ultra-small size, only 18mm width, 35mm rail mounting.
Check latest price on Amazon
#9 Top Pick
GEYA Voltage Monitoring Relay Phase Sequence and Phase Failure Protection Relay 1SPDT 10A(GRV8-03,AC127V-265V)
Brand: GEYA
Read more
- Function Feature:Controls its own supply voltage(True RMS measurement).
- Rated Voltage:Set 8-level rated operating voltage through knob.Voltage measurement accuracy<1%.
- Measuring Frequency Range:45Hz-65Hz.
- Relay Status:Its working status is indicated by the LED indicator.
- Product Size:Ultra-small size, only 18mm width, 35mm rail mounting.
Check latest price on Amazon
#10 Top Pick
Domary DC 6-80V Voltage Monitoring Relay, Time Delay Charging Discharge Controller Module with 4 Operating Modes, for Voltage Control Timer, Battery Overvoltage Protection
Brand: Domary
Read more
- [Precise Voltage Detection] Equipped with a voltage detection channel and relay switch output for accurate monitoring and control in charging, discharging, and conservation applications.
- [Customizable Delay Settings] Supports on and off delay modes with an adjustable delay time from 0s to 999s for precise control.
- [Wide Application] Suitable for voltage monitoring, overvoltage and undervoltage protection, and various other fields due to its high-quality abs material and blue color design.
- [Multiple Operating Modes] Features p-1 to p-4 settings including relay close delay time, voltage control timers, and voltage range control for flexible functionality.
- [Efficient and Versatile] Operating power ranges from dc 6 to 80v with a load of 30a, ac or 30v dc. fast response times enhance efficiency.
Check latest price on Amazon
