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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
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
No. 2
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
3 Consomer Reviews
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
No. 3
GRV8-05 Voltage Relay,3-Phase Voltage Monitoring Relay Phase Sequence Phase Failure M265
  • Convenient Monitoring: The voltage relay can monitor its own operating voltage (true rms measurement).
  • 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.
  • Small Size and Easy to Install: The voltage relay is ultra-small and can be mounted on a 35mm DIN rail.
No. 4
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.
No. 5
3 Phase Voltage Monitoring Sequence Relay JVR800-2 Voltage Relay Under Over Voltage Protector
  • Function: This voltage relay has overvoltage, undervoltage, phase loss, phase sequence and unbalanced three-phase voltage .
  • 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. 6
Voltage Phase Sequence Protector 3 Phase Voltage Monitor Monitoring Sequence Relay 4 Wire Over Under Voltage Protector AC 208 to 480V for Machine Tool
  • Standard and Universal: The protector standard modular structure, 35mm rail installation, with ultra wide voltage design, universal for worldwide.
  • 2 Reset Methods: The protector can be reset automatically or manually, choose according to different situations.
  • Value Adjustable: The overvoltage, undervoltage, unbalance values can be adjusted, and each action time can also be adjusted.
  • Multi : Real time monitoring, the protector has protections of overvoltage, undervoltage, voltage unbalance, phase error, phase loss, zero line disconnection.
  • Multi Usage: The protector can be widely used in machine tool, crane, control cabinet, compressor, cutting machine, elevator, air conditioner, elevator, freezer, , charging pile, motor, etc.
No. 7
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
3 Phase Monitoring Relay DPA51CM44 Current Voltage Monitoring Relay Phase Sequence Protector for Motor 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 , elevator, air conditioning system, power system and other industries

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Last update on 2025-04-10 / Affiliate links / Images from Amazon Product Advertising API