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The Best Phase Monitoring Relays

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Discover now our comparison of the best Phase 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 Phase 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 Phase 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. 1
3 Phase Voltage Monitoring Sequence Relay JVR800-2 Voltage Protection Relay Under Over Voltage Protector
  • Function: This voltage protection relay has overvoltage, undervoltage, phase loss, phase sequence and unbalanced three-phase voltage protection.
  • Practicality: This 3-phase voltage relay does not require an external power supply. Has practical functions: power delay, output test, etc.
  • The Composition of This Product: Three-phase voltage protector, chronograph and counter are integrated in one relay.
  • 2 rest modules are optional, manual and automatic.
  • The LCD can display data for easy reading.
No. 2
3 Phase Monitoring Relay Circuit Protection Power Supply Monitor Phase Sequence Protector
11 Consomer Reviews
3 Phase Monitoring Relay Circuit Protection Power Supply Monitor Phase Sequence Protector
  • Three-phase monitoring relay for detecting phase sequence and phase missing. Neutral, missing phase and incorrect phase sequence are not included, so all phases can be detected as being present and in the correct phase sequence.
  • DPA51CM44 3-phase monitoring relay has strong anti-interference performance, which helps to keep the motor working constantly and efficiently, and performs well during the working process.
  • It is widely used in motor protection, elevator, air compressor, electric motor, distribution box, water pump, oil pump, central air conditioning unit, power system and other industries.
  • Keep the motor working continuously and efficiently, a very useful tool in daily life.
  • Compact size, can be installed anywhere in the room, saving a lot of space and easy to install.
No. 3
DPA51CM44 3 Phase Monitoring Relay Current/Voltage Monitoring Relay Phase Sequence Protector for Three phase System Without Neutral Phase Loss and Incorrect phase Sequence 208 480VAC
  • 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 protection, 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 protection to be achieved for machines, plants and systems, and avoid far more significant subsequent damage, very convenient and useful
No. 5
SVR1000 Single Phase Protection Relay Over-Voltage 20V-80V Under-Voltage 0.1V-30V AC/DC(AD48)
  • Standard modular structure, guide rail type installation. No additional auxiliary power supply is required.
  • Ac/Dc voltage universal, automatic identification of ac/dc voltage, no need to switch.
  • Built-in LCD Chinese display voltage value, fault status, setting parameters.
  • Real-time monitoring of single phase over-voltage and under-voltage fault.
  • We care for every customer’s feeling. You can get in touch with customer service when you meet any questions.
No. 6
3 Phase Voltage Monitoring Sequence Relay, JVR800-2 Under Over Voltage Protector, Voltage Over Under Voltage Phase Failure Relay, LCD Guide Rail Voltage Phase Loss Protector Monito
  • Protection Function: Overvoltage, Undervoltage, Phase Failure, Phase Error, Voltage Imbalance, Timekeeping, Count, Fault Record.
  • Operation Voltage: Rated Voltage: 208 to 480VAC universal, 50/60Hz; Powered by the measuring circuit, no additional auxiliary power required.
  • Advantage: LCD display shows voltage value, fault status, parameter setting.Real-time monitoring of three-phase overvoltage, undervoltage, phase error, phase loss faulty; Adjustable overvoltage value, undervoltage value and action time.
  • Easy Installation: Standard modular construction, rail mounted for convenient installation; Mount Method: 35mm DIN rail.
  • Applicable Range: Three phase voltage protector, chronograph and counter are integrated into one relay; Wide range of appliation, durable and stable performance, convenient and easy to use.
No. 7
3-Phase Monitoring Relay, Current/Voltage Monitoring Relay Phase Sequence Protector for Three-Phase System, Without Neutral(GRV8-04,M460)
  • 【High Accuracy】: The voltage relay has 8 adjustable rated voltages, and the voltage measurement accuracy is less than 1%.
  • 【Rated Voltage】: Rated Voltage up to 552AC Voltage measurement accuracy<1%.
  • 【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
  • 【Application】: Equipment protection and control (tower cranes, elevators, agricultural equipment, refrigerated trucks); prevent reverse operation 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.
No. 8
3-phase sequence protection relay, 208-480VAC Three-phase voltage monitoring relay, IP20, for phase sequence and phase loss, for motors, elevators, power systems
  • 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
No. 10
DPA51CM44 3-Phase Monitoring Relay Current Voltage Monitoring Relay Phase Sequence Protector for Motor Protection 208-480VAC
  • Anti Interference Performance--DPA51CM44 3-Phase monitoring relay features strong anti-interference performance
  • Monitoring Phase Sequence--3-phase monitoring relay for phase sequence and phase loss
  • Detects Correct Sequence--Detects when all phases are present and have the correct sequence
  • Convenient Installation--Compact size and convenient for installation.Maintain constant and efficient work of the motor
  • Application--Widely used in motor protection, elevator, air conditioning system, power system and other industries

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Last update on 2024-02-29 / Affiliate links / Images from Amazon Product Advertising API