Looking for the best Voltage Monitoring Relays?
Discover now our comparison of the best Voltage Monitoring Relays. It is never easy to choose from the wide range of offers. On the market, you will find an incalculable number of models, all at different prices. And as you will discover, the best Voltage Monitoring Relays are not always the ones at the highest prices! Many criteria are used, and they make the richness and relevance of this comparison.
To help you make the best choice among the hundreds of products available, we have decided to offer you a comparison of the Voltage Monitoring Relays in order to find the best quality/price ratio. In this ranking, you will find products listed according to their price, but also their characteristics and the opinions of other customers. Also discover our comparisons by categories. You won’t have to choose your products at random anymore.
No. 2
Voltage Monitoring Relay DC 12V/24V/48V Over Voltage and Under Voltage Relay 35MM Rail Voltage Protector Device(DC 48V)
- 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 high quality 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
No. 3
NOYITO Voltage Relay Module Upper Lower Limit Detection Control Switch Off ON Over Voltage Protection Battery Charge Discharge Timing (12V)
- NOYITO Voltage Relay Module . Voltage detection display range: 0 - 99.9V; Voltage detection error: ±0.1V;
- Module working voltage:: DC 10-16V (12V version) DC18-28V (DC24V version) ("Note: The 24V pulse charger may have more than 30V pulse voltage and cannot be used as the power supply for this relay board.").
- Module working current: standby average 16mA/12V, relay pull-in 45mA/12V, digital tube off standby current 6mA/12V;
- Relay parameters: a set of conversion (normally open normally closed point), contact load: 10A/277VAC 10A/30 DC (NOTE： the maximum DC load 30V 10A) (maximum load current is 1A at 50V DC voltage).
- Relay Load: 10A / 277VAC 10A / 30 DC Max NOYITO Voltage Relay Module User Manual https://1drv.ms/u/s!AlzQUCOyZQhKgU8PmkPoht52mmzC?e=Lg6z9b
$11.99
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No. 4
DPA51CM44 3 Phase Monitoring Relay Current Voltage Monitoring Relay Phase Sequence Protector 208-480VAC Phase Sequence Protector with Indicator for 3 Phase Motor
- Small Size: This 3-Phase Monitoring Relay has a small compact size for easy and convenient use and install, and the size of the Monitoring Relay is 8.1 x 6.7 x 1.75 cm/3.1 x 2.6 x 0.6 inch, you can install it on any places around the room, saving a lot of place
- Multi-functioanl: This DPA51CM44 3-Phase Monitoring Relay has a widely use on the electric filed, and it can be applied to motor , elevator, air conditioning system, power system and other industries, very helpful tool during daily life
- Work Well: DPA51CM44 3-Phase Monitoring Relay features with strong anti-interference performance, so it helps maintain a constant and efficient work of the motor, it will provide an excellent performance during the working process
- 3-Phase Design: This Current Monitoring Relay is designed with 3-Phase Monitoring Relay to provide a correct phase sequence, without neutral, phase Loss and Incorrect phase sequence, so it can detect when all phases are present and have the correct sequence
- LED Indication: This DPA51CM44 Monitoring Relay features an LED indication for easier installation and trouble shooting, which permits a maximum degree of to be achieved for machines, plants and systems, and avoid far more significant subsequent damage, very convenient and useful
$24.85
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No. 5
Adjustable Voltage Protector with Energy Monitoring Intelligent Relay Reset Protector Voltage Output Stabilizer for Home Office Appliance，AC110V DC85-300V 63A, Din Rail Mout
- 【Premium Fire-Resistant Material】: Crafted from high-quality fire-resistant PC material, the casing of this adjustable voltage and current protector is designed for safe and reliable use. It features precise measurement, responsive operation, and minimal heat generation, all while maintaining an aesthetically pleasing and durable design.
- 【Comprehensive Protection Functions】: This voltage and current protector offers a full range of protection, including overcurrent, overvoltage, and undervoltage safeguards. When the current or voltage exceeds preset limits, the relay automatically disconnects the power to prevent potential hazards such as fires, protecting your valuable electrical devices. The device also features an auto-reset function, restoring power when voltage and current return to normal levels.
- 【Real-Time Monitoring】: Equipped with a real-time display, this protector allows you to continuously monitor voltage, current, and power levels, ensuring that your electrical systems operate within safe parameters. This added feature provides peace of mind and greater control over your equipment’s performance.
- 【Flexible Installation】: The rail-mounted design simplifies installation, making it quick and easy to set up. This versatile mounting option also allows for easy adjustment and repositioning to accommodate different installation needs and spatial constraints.
- 【Wide-Ranging Applications】: Ideal for a variety of settings, this protector ensures the safe and efficient operation of electrical devices and systems. It’s suitable for use in motor protection, electrical control systems, household appliances, industrial equipment, lighting systems, and more, making it a versatile choice for both residential and industrial environments.
$21.99
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No. 6
Sunydog DC 6~80V Voltage Detection Charging Discharge Monitor Relay Switch Controller with Case
- With clear LED display, convenient to check the value.
- Digital display DC voltage detection, control the relay output.
- When the measured voltage is lower than the lower limit or higher than upper limit value, the relay works.
- DC 6~80V relay interface board with 2 buttons for easy operation.
- Adjustable Voltage Detection : DC 0~99.9V.
$21.00
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No. 7
YWBL-WH GRV8-04 M460 Voltage Relay,3-Phase Voltage Monitoring Relay Phase Sequence Phase Failure
- High Accuracy: The voltage relay has 8 adjustable rated voltages, and the voltage measurement accuracy is less than 1%.
- Application: Equipment and control (tower cranes, elevators, agricultural equipment, refrigerated trucks); prevent reverse of equipment; normal/emergency power switch; prevent phase failure of dynamic loads.
- LED Indicator: The working status of the voltage control relay is indicated by the LED indicator.
- Convenient Monitoring: The voltage relay can monitor its own operating voltage (true rms measurement).
- Small Size and Easy to Install: The voltage relay is ultra-small and can be mounted on a 35mm DIN rail.
$26.82
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No. 8
GRV8-03 Three-Phase Voltage Monitoring Relay Phase Sequence And Phase-Off Relay
- Ultra-small size and it is easy to install.
- 8 kinds of rated voltages are adjustable, can apply to voltages in all regions of the world
- The working status of the relay is indicated by the LED indicator
- This monitoring relay can monitor own working voltage.
- It is applied to mobile device connection control, causing accidents in equipment against reverse , normal/emergency power switch, preventing phase failure of power load.
$26.41
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No. 9
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
- Product Type:Electronic Component
- Item Package Dimension:10.921 Centimeters L X 9.906 Centimeters W X 3.048 Centimeters H
- Country Of Origin: United States
- Item Package Weight:0.100 Pounds
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Last update on 2025-04-02 / Affiliate links / Images from Amazon Product Advertising API