The Best Overvoltage Relay of 2025 – Reviewed and Top Rated
After hours researching and comparing all models on the market, we find out the Best Overvoltage Relay of 2025. Check our ranking below.
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- LM YN Digital Voltage Comparator module is a versatile voltage monitoring controller, using industrial grade microcontroller as the main control unit, wide measurement range, high accuracy.
- Module carefully processed genuine quality components made of stable performance, it can be widely used in a variety of voltage measurement and control types of occasions. The controller 5 different preset function.
- Users can set the upper limit voltage and the lower voltage limit; measuring range of DC 0-100V, measuring accuracy ±0.1V.
- Increase automatic power saving feature, users can customize the settings; all set parameters can be automatically saved, set the content of non-volatile.
- Module work voltage: DC 12V (nominal voltage should not exceed +/- 10%).
- Controls its own supply voltage(True RMS measurement)
- User may select operation mode through knob
- Voltage measurement accuracy<1%
- Relay Status:Its working status is indicated by the LED indicator.
- Product Size:Ultra-small size, only 18mm width, 35mm rail mounting.
- Digital display DC voltage detection, control the relay output.
- DC 6~80V relay interface board with 2 buttons for easy operation. With clear LED display, convenient to check the value.
- Adjustable Voltage Detection Range: DC 0~99.9V.
- When the measured voltage is lower than the lower limit or higher than upper limit value, the relay works. Can be used for voltage detection switch, battery over/under voltage protector or discharge meter. Comes with a cover for protection.
- 【Function】The voltage protector supports overvoltage , undervoltage and voltage display, also support voltage measurement.
- 【Adjustable】Both overvoltage and undervoltage values and recovery values are adjustable, and overvoltage and undervoltage action time is also adjustable.
- 【Easy to use】The fault recovery delay time and power‑on delay time are adjustable, and the power‑on delay time is also adjustable.
- 【Convenience】The voltage protector relay support reset mode selection, fault query and factory reset function, can bring you more convenience.
- 【Material】The voltage protector relay is made of high‑quality plastic material, hard, , and also has long service life.
- Controls its own supply voltage (True RMS measurement).
- The Principle Of Use: You can select the working mode by the knob.
- Voltage Measurement: Voltage measurement accuracy<1%.
- Relay Status : Its working status is indicated by the LED indicator.
- Product Size: Ultra-small size, only 18mm width, 35mm rail mounting.
- 2 INDICATOR LIGHT: Action time of over-voltage relay can be adjusted, 2 sets of normally open and normally closed contacts, 2 indicator lights indicate various working conditions
- ADJUSTABLE: The overvoltage protector is not additional auxiliary power supply is required. Both over-voltage and under-voltage value can be adjusted
- REAL-TIME MONITOR: The overvoltage undervoltage protector relay is convenient to use, real-time monitoring of dc overvoltage and undervoltage faults
- RAIL MOUNT: The voltage monitoring relay made of meterial, with standard modular structure, rail type installation
- APPLICATION: The motor overvoltage protector can be used for dc motor, battery, UPS power supply, dc switchgear, dc panel, industrial control system
- Automatic Reset Function: Equipped with a built-in magnetic latching relay, no manual intervention is required; After the circuit anomaly is cleared (voltage and current return to normal levels), the circuit will automatically re-close within seconds, restoring power supply
- Multiple Protections: Equipped with over-voltage, under-voltage, and over-current protection functions; When voltage/current deviates from the set value, the protector responds quickly and cuts off the circuit in time, safeguarding your equipment from damage caused by electrical faults
- LED Display: Equipped with an LED display, it clearly and intuitively shows real-time voltage and current data, and provides indicators for over-voltage/under-voltage, over-current, and normal operation status, making it easy for users to quickly identify and troubleshoot circuit faults
- Adjustable Settings: The settings are easy to configure; With the press of a button, users can flexibly adjust overvoltage, undervoltage, overcurrent, as well as the action and recovery delay times according to their needs; Adjustment range: Overvoltage: 115-150V; Undervoltage: 85-105V; Overcurrent: 1-63A
- Wide Application: Widely used in various electrical devices and systems to ensure the normal operation and safety of equipment; For example, they are used for motor protection, electrical control systems, home appliances, industrial equipment, lighting systems, and more
- ✈ Product Name: Voltage Monitoring Relay; function: over voltage, under voltage; Rated voltage: DC 12V/24V/36V/48V; Overvoltage regulation range: 13-17v; Undervoltage adjustment range: 10-14v; capacity: 6A 250VAC (resistivity).
- ✈ Main Features: The voltage monitoring relay is of 2 sets of normally open and normally closed contacts, 2 indicator lights indicate various working conditions, no additional auxiliary power supply is required.
- ✈ Real Time Monitoring: The voltage monitoring relay could achieve real-time monitoring of dc overvoltage and undervoltage faults, and over-voltage, under-voltage value, and action time can be adjusted.
- ✈ 35mm Rail: With 35mm rail and standard modular structure, the voltage monitoring relay is easy to install, easy to operate.
- ✈ Typical Applications: The voltage monitoring relay is typically applied in dc motor, battery, UPS power supply, dc switchgear, dc panel, industrial control system.
- 2 INDICATOR LIGHT: Action time of over-voltage relay can be adjusted, 2 sets of normally open and normally closed contacts, 2 indicator lights indicate various working conditions
- REAL-TIME MONITOR: The overvoltage undervoltage protector relay is convenient to use, real-time monitoring of dc overvoltage and undervoltage faults
- ADJUSTABLE: The overvoltage protector is not additional auxiliary power supply is required. Both over-voltage and under-voltage value can be adjusted
- RAIL MOUNT: The voltage monitoring relay made of meterial, with standard modular structure, rail type installation
- APPLICATION: The motor overvoltage protector can be used for dc motor, battery, UPS power supply, dc switchgear, dc panel, industrial control system
- OEM Replacement: 0005406745.
- Fitment: Compatible with Mercedes W124 1993-1995 , C124 1992-1993, and E220 1993-1998 with engine code 111960.
- Functionality: Provides overvoltage protection to critical electronic components, helping prevent damage from power surges.
- Plug-and-Play Installation: Matches the original connector layout for easy installation without modifications.
- Build: Built to automotive-grade standards to withstand heat, vibration, and prolonged electrical loads.
Last update on 2025-12-01 / Affiliate links / Images from Amazon Product Advertising API
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