Frontpage > Industrial > Industrial Electrical > Phase Monitoring Relays

Best phase monitoring relays - Buying Guide

Last Updated: 05/04/2024

Share on

Bestselling phase monitoring relays on Amazon

  1. ICM Controls ICM401 Three-Phase Line Voltage Monitor Offering Protection Against Phase Loss/Reversal...
  2. 8 7 4 TG30 3-Phase Phase Sequence Relay Phase Failure Loss Protection 220-380VAC TG30 Protector
  3. YWBL-WH GRV8-03 Three Phase Voltage Monitoring Phase Failure IP20 Protection Relay Phase Sequence(M4...
  4. TIME MARK CORP A258B-480VAC
  5. SVR1000 Single Phase Protection Relay Over-Voltage 20V-80V Under-Voltage 0.1V-30V AC/DC(AD48)
  6. Voltage Monitoring Relay DC 12V/24V/48V Over Voltage and Under Voltage Protection Relay 35MM Guide R...
  7. GEYA Voltage Protection Relay with Phase Sequence Phase Failure Asymmetry Delay Time Function 1SPDT ...
  8. IIVVERR APR-3 AC 380V Phase Sequence Failure Monitoring Protective Relay (APR-3 AC 380V Fase de secu...
  9. TG30 3-Phase Phase Sequence Relay Phase Failure Loss Protection Power Supply Monitor Relay 3-Phase S...
  10. GEYA Single Phase Voltage Relay Adjustable Over or Under Voltage Protection Monitor Relay 1SPDT 10A(...
As an Amazon Associate we earn a fee from qualifying purchases when you follow a link to Amazon from this page. We rank the products, but the links to Amazon are promotional.

  #1

ICM Controls ICM401 Three-Phase Line Voltage Monitor Offering Protection Against Phase Loss/Reversal and Unbalance; 50/60 Hz, 190-600 VAC (18-30 Control VAC)

Asin: B004I5817C   |   Model: ICM401   |   PartNumber: ICM401   |   Ean: 0800442000145, 0841999147990   |   UPC: 841999147990, 800442000145

Bright Led Indicators For On And Fault.
Control Voltage: 18-30 Vac.
Universal 3-Phase Input: 190-600 Vac.
Monitors For Phase Reversal, Phase Loss, Unbalance % As A Function Of Input Voltage.

Features

  • 3-phase protection for single side
  • Monitors for phase reversal, phase loss, unbalance % as a function of input voltage
  • Bright LED indicators for ON and FAULT
  • Universal 3-phase input: 190-600 VAC
  • Control voltage: 18-30 VAC
  • See more on Amazon...

Brand: ICM Controls   |   Manufacturer: ICM

Dimensions: 6.00 x 6.00 x 6.00 inches

Amazon Price: $38.99 | as of 05/04/2024 (11:37am pst) *DETAILS
Availability: In Stock

See On Amazon



  #2

8 7 4 TG30 3-Phase Phase Sequence Relay Phase Failure Loss Protection 220-380VAC TG30 Protector

Asin: B0C62BFKKZ

Widely Used Application: Protect Electric System And On Loading Electrical Apparatus From Thunder And Instantaneous Over Voltage..
Loss Protection: In The Reverse Phase Anti Phase , Three Phase Voltage Imbalance, Phase Loss And Short Circuit When The Inductive Load Such As Motor Is Running, It Can Quickly Judge And Output The Relay Protection..
2. Phase Reversal Protection: It Is A Safeguard Acting Immediately, Which Protects L1, L2, And L3 Three Phase Against Wrong Connection . In This Case, The Yellow Indicator Light Will Be Lighted..
3 Phase Filter, Phase Sequence Relay Detects The Waveform And Phase Of The Power Supply By Ic To Judge Whether The Power Supply Is Abnormal., 3 Phase Filter.

Features

  • FUNCTION: 3 phase power supply monitor relay protection function is not affected by the circuit or load current, current, unbalanced current and load characteristics, achieving long term operation of full performance and full climate to ensure normal and stable operation of the motor
  • 3 phase filter, Phase sequence relay detects the waveform and phase of the power supply by IC to judge whether the power supply is abnormal., 3 phase filter
  • WIDELY USED Application: Protect electric system and on loading electrical apparatus from thunder and instantaneous over voltage.
  • 2. Phase reversal protection: It is a safeguard acting immediately, which protects L1, L2, and L3 three phase against wrong connection . In this case, the yellow indicator light will be lighted.
  • Loss Protection: In the reverse phase anti phase , three phase voltage imbalance, phase loss and short circuit when the inductive load such as motor is running, it can quickly judge and output the relay protection.
  • See more on Amazon...

Brand: Emoshayoga   |   Manufacturer: Emoshayoga

Dimensions: 1.18 x 2.95 x 2.56 Inches   |   Weight: 0.22 pounds

Amazon Price: $14.90 | as of 05/04/2024 (11:37am pst) *DETAILS
Availability: In Stock

See On Amazon



  #3

YWBL-WH GRV8-03 Three Phase Voltage Monitoring Phase Failure IP20 Protection Relay Phase Sequence(M460), Relay

Asin: B07Q3PCNGJ   |   Ean: 0747333994056   |   UPC: 747333994056

The Working Status Of The Relay Is Indicated By The Led Indicator.
It Is Applied To Mobile Device Connection Control, Causing Accidents In Equipment Protection Against Reverse Operation, Normal/Emergency Power Switch, Preventing Phase Failure Of Power Load..
This Monitoring Relay Can Monitor Own Working Voltage..
8 Kinds Of Rated Voltages Are Adjustable, Can Apply To Voltages In All Regions Of The World.

Features

  • 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 protection against reverse operation, normal/emergency power switch, preventing phase failure of power load.
  • See more on Amazon...

Brand: YWBL-WH   |   Manufacturer: YWBL-WH

Dimensions: 0.00 x 0.00 x 0.00 inches   |   Weight: 0.11 Pounds

Amazon Price: $27.93 | as of 05/04/2024 (11:37am pst) *DETAILS
Availability: In Stock

See On Amazon



  #4

TIME MARK CORP A258B-480VAC

Asin: B084LGS1FM

Transmission Distribut. Relays.

Features

Brand: TIME MARK CORP   |   Manufacturer: TIME MARK CORP

Dimensions: 3.34 x 3.34 x 2.00 inches   |   Weight: 0.30 Pounds

Amazon Price: $125.00 | as of 05/04/2024 (11:37am pst) *DETAILS
Availability: In Stock

See On Amazon



  #5

SVR1000 Single Phase Protection Relay Over-Voltage 20V-80V Under-Voltage 0.1V-30V AC/DC(AD48)

Asin: B07Q1J763H   |   Ean: 0703633820938   |   UPC: 703633820938

Real-Time Monitoring Of Single Phase Over-Voltage And Under-Voltage Fault..
Brand New And High Quality..
Standard Modular Structure, Guide Rail Type Installation. No Additional Auxiliary Power Supply Is Required..
Built-In Lcd Chinese Display Voltage Value, Fault Status, Setting Parameters..

Features

  • 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.
  • Standard modular structure, guide rail type installation. No additional auxiliary power supply is required.
  • Brand new and high quality.
  • See more on Amazon...

Brand: YWBL-WH   |   Manufacturer: YWBL-WH

Dimensions: 0.00 x 0.00 x 0.00 Inches

Amazon Price: $25.22 | as of 05/04/2024 (11:37am pst) *DETAILS
Availability: In Stock

See On Amazon



  #6

Voltage Monitoring Relay DC 12V/24V/48V Over Voltage and Under Voltage Protection Relay 35MM Guide Rail Voltage Protector Device(DC 48V)

Asin: B09L55YDFJ

Real-Time Monitor: The Overvoltage Undervoltage Protector Relay Is Convenient To Use, Real-Time Monitoring Of Dc Overvoltage And Undervoltage Faults.
Application: The Motor Overvoltage Protector Can Be Used For Dc Motor, Battery, Ups Power Supply, Dc Switchgear, Dc Panel, Industrial Control System.
Guide Rail Mount: The Voltage Monitoring Relay Made Of High Quality Meterial, With Standard Modular Structure, Guide Rail Type Installation.
Adjustable: The Overvoltage Protector Is Not Additional Auxiliary Power Supply Is Required. Both Over-Voltage And Under-Voltage Value Can Be Adjusted.

Features

  • 2 INDICATOR LIGHT: Action time of over-voltage protection 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
  • GUIDE RAIL MOUNT: The voltage monitoring relay made of high quality meterial, with standard modular structure, guide 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
  • See more on Amazon...

Brand: LiebeWH   |   Manufacturer: LiebeWH

Dimensions: 1.18 x 3.35 x 3.35 inches

Amazon Price: $26.81 | as of 05/04/2024 (11:37am pst) *DETAILS
Availability: In Stock
List Price: $28.79

See On Amazon



  #7

GEYA Voltage Protection Relay with Phase Sequence Phase Failure Asymmetry Delay Time Function 1SPDT 10A(GRV8-05,AC220V-460V)

Asin: B09WYJ5FT6   |   Ean: 0736961740692   |   UPC: 736961740692

Measuring Frequency Range:45Hz-65Hz..
Product Size:Ultra-Small Size, Only 18Mm Width, 35Mm Rail Mounting..
Relay Status:Its Working Status Is Indicated By The Led Indicator..
Rated Voltage:Set 8-Level Rated Operating Voltage Through Knob.Voltage Measurement Accuracy<1%..

Features

  • 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.
  • See more on Amazon...

Brand: GEYA   |   Manufacturer: ZHEJIANG GEYA ELECTRICAL CO.,LTD

Amazon Price: $11.99 | as of 05/04/2024 (11:37am pst) *DETAILS
Availability: In Stock

See On Amazon



  #8

IIVVERR APR-3 AC 380V Phase Sequence Failure Monitoring Protective Relay (APR-3 AC 380V Fase de secuencia que supervisa el rel de protecci n

Asin: B07X8CXGWL   |   Model: dc7f368505302efb2dbb698c233ef8   |   PartNumber: dc7f368505302efb2dbb698c233ef8

Power Consumption : <= 2W;Ambient Temperature : -10C To +55C;Ambient Humidity : 45-85%Rh.
Weight : 197G;Package Content : 1 X Phase Faliure Relay, 1 X Base (Peso: 197G; Contenido Del Paquete.
Frequency : 50/60Hz;Base Rail Mounting Size : 35Mm;Demensions : 57.5 X 40 X 50Mm/2.3" X 1.6" X 2.0"(L*W*H).
Working Voltage : Ac 380V;Indicater : Normal;Output Contact : 5A, Ac 250V.

Features

  • Product Name : Phase Faliure Relay;Model : APR-3;Type : Three-phase, SPDT
  • Working Voltage : AC 380V;Indicater : Normal;Output Contact : 5A, AC 250V
  • Power Consumption : <= 2W;Ambient Temperature : -10C to +55C;Ambient Humidity : 45-85%RH
  • Frequency : 50/60Hz;Base Rail Mounting Size : 35mm;Demensions : 57.5 x 40 x 50mm/2.3 x 1.6 x 2.0(L*W*H)
  • Weight : 197g;Package Content : 1 x Phase Faliure Relay, 1 x Base (Peso: 197g; Contenido del paquete
  • See more on Amazon...

Brand: FIYA   |   Manufacturer: IIVVERR

Amazon Price: $22.74 | as of 05/04/2024 (11:37am pst) *DETAILS
Availability: In stock Usually ships within 2 to 3 days.

See On Amazon



  #9

TG30 3-Phase Phase Sequence Relay Phase Failure Loss Protection Power Supply Monitor Relay 3-Phase Sequence Protector for Motors Pumps 220-380VAC

Asin: B095HB96S2   |   Ean: 9429149314822

【Working Principle】Our Phase Sequence Protection Relay Can Detect The Waveform And Phase Of The Power Supply Through The Integrated Circuit To Determine Whether The Power Supply Is Abnormal.
【For 3-Phase Equipment】The 3-Phase Sequence Protector Is Suitable For Various Three-Phase Motors And Refrigeration Compressors, Pumps, Fans, Air Compressors, Elevators, Injection Molding Machines And Other Three-Phase Equipment.
【High Quality】This Power Supply Monitor Relay Is Made Of High-Quality Materials And Can Maintain Relatively Stable Performance For A Long Period Of Time.
【Long-Term Protection】The Protection Function Of This Phase Sequence Relay Is Not Affected By The Circuit Or Load Current, Surge Current, Unbalanced Current And Load Characteristics, And Realizes Long-Term Full-Performance And Full-Climate Operation To Ensure The Normal And Stable Operation Of The Motor.

Features

  • OUTPUT RELAY PROTECTION In the case of reverse phase (reverse phase), three-phase voltage imbalance, lack of phase, short circuit, etc. during the operation of inductive loads such as motors, the 3-phase phase sequence relay can quickly determine and output relay protection
  • LONG-TERM PROTECTION The protection function of this phase sequence relay is not affected by the circuit or load current, surge current, unbalanced current and load characteristics, and realizes long-term full-performance and full-climate operation to ensure the normal and stable operation of the motor
  • WORKING PRINCIPLE Our phase sequence protection relay can detect the waveform and phase of the power supply through the integrated circuit to determine whether the power supply is abnormal
  • HIGH QUALITY This power supply monitor relay is made of high-quality materials and can maintain relatively stable performance for a long period of time
  • FOR 3-PHASE EQUIPMENT The 3-phase sequence protector is suitable for various three-phase motors and refrigeration compressors, pumps, fans, air compressors, elevators, injection molding machines and other three-phase equipment
  • See more on Amazon...

Brand: Kadimendium   |   Manufacturer: Kadimendium

Dimensions: 1.18 x 2.95 x 2.56 inches   |   Weight: 0.22 Pounds

Amazon Price: $16.29 | as of 05/04/2024 (11:37am pst) *DETAILS
Availability: In Stock
List Price: $17.99

See On Amazon



  #10

GEYA Single Phase Voltage Relay Adjustable Over or Under Voltage Protection Monitor Relay 1SPDT 10A(GRV8-01,AC220V)

Asin: B09WYHSHBM   |   Model: GRV8-01 AC230   |   PartNumber: GRV8-01 AC230   |   Ean: 0736961740647   |   UPC: 736961740647

Voltage Measurement Accuracy<1%.
Product Size:Ultra-Small Size, Only 18Mm Width, 35Mm Rail Mounting..
Relay Status:Its Working Status Is Indicated By The Led Indicator..
User May Select Operation Mode Through Knob.

Features

  • 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.
  • See more on Amazon...

Brand: GEYA   |   Manufacturer: ZHEJIANG GEYA ELECTRICAL CO.,LTD

Amazon Price: $19.99 | as of 05/04/2024 (11:37am pst) *DETAILS
Availability: In Stock

See On Amazon



  #11

APR-4 Phase Failure Reverse Sequence Protection Relay Waterproof Dust-Proof Shell Phase Controller 220V AC(220VAC)

Asin: B07PK4JF45   |   Ean: 0724942316967   |   UPC: 724942316967

Flame-Retardant Pv Housing: The Controller Adopts High-Quality Flame-Retardant Pv Housing, Which Is Waterproof And Dust-Proof..
Small Volume: The Phase Failure Protection Relay Features Small Volume And Din Rail Mounting..
Eight Pins: The Phase Controller Has 8 Pins With Good Contact Performance, Ensure Stable Working..
Wide Applications: The Phase Sequence Relay Can Be Used To Provide Relay Protection For Various Three-Phase Equipment Such As Motors, Compressor, Pump, Fan, Blower And So On..

Features

  • PROTECTION FUNCTIONS: The relay has phase failure, phase reverse, phase sequence protection functions.
  • WIDE APPLICATIONS: The phase sequence relay can be used to provide relay protection for various three-phase equipment such as motors, compressor, pump, fan, blower and so on.
  • FLAME-RETARDANT PV HOUSING: The controller adopts high-quality flame-retardant PV housing, which is waterproof and dust-proof.
  • EIGHT PINS: The phase controller has 8 pins with good contact performance, ensure stable working.
  • SMALL VOLUME: The phase failure protection relay features small volume and DIN rail mounting.
  • See more on Amazon...

Brand: Wal front   |   Manufacturer: Wal front

Dimensions: 1.97 x 3.35 x 2.17 inches

Amazon Price: $15.67 | as of 05/04/2024 (11:37am pst) *DETAILS
Availability: In Stock

See On Amazon



  #12

YWBL-WH GRV8-04 M460 Voltage Relay,3-Phase Voltage Monitoring Relay Phase Sequence Phase Failure Protection

Asin: B07RRXYF1Z   |   Model: YWBL-WHkdvof5uhng   |   PartNumber: YWBL-WHkdvof5uhng   |   Ean: 0749249151189   |   UPC: 749249151189

Led Indicator: The Working Status Of The Voltage Control Relay Is Indicated By The Led Indicator..
Small Size And Easy To Install: The Voltage Protection Relay Is Ultra-Small And Can Be Mounted On A 35Mm Din Rail..
Convenient Monitoring: The Voltage Relay Can Monitor Its Own Operating Voltage (True Rms Measurement)..
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..

Features

  • High Accuracy: The voltage relay has 8 adjustable rated voltages, and the voltage measurement accuracy is less than 1%.
  • 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.
  • Convenient Monitoring: The voltage relay can monitor its own operating voltage (true rms measurement).
  • Small Size and Easy to Install: The voltage protection relay is ultra-small and can be mounted on a 35mm DIN rail.
  • See more on Amazon...

Brand: YWBL-WH   |   Manufacturer: YWBL-WH

Dimensions: 2.76 x 3.94 x 1.18 inches   |   Weight: 0.18 Pounds

Amazon Price: $28.19 | as of 05/04/2024 (11:37am pst) *DETAILS
Availability: In Stock

See On Amazon



  #13

TIME Mark 258B 3-Phase Monitor 258B240VAC

Asin: B06VSBWDKZ   |   Model: 172516963579   |   PartNumber: 172516963579

Automatic Or Manual Reset.
Csa And Ul Certifieed.
Solid-State Voltage And Phase-Angle Sensing Circuit.
50Hz, 60Hzand 400Hzmodels.

Features

  • Detects phase loss, low voltage, phase reversal
  • 50Hz, 60Hzand 400Hzmodels
  • Automatic or manual reset
  • solid-state voltage and phase-angle sensing circuit
  • CSA and UL cERTIFIEED
  • See more on Amazon...

Brand: Generic   |   Manufacturer: Generic

Weight: 1.00 Pounds

Amazon Price: $84.00 | as of 05/04/2024 (11:37am pst) *DETAILS
Availability: In Stock

See On Amazon



  #14

Voltage Monitoring Relay DC 12V/24V/36V/48V Over-Voltage and Under-Voltage Protection Relay 35MM Guide Rail 13-17V 10-14V(DC48V)

Asin: B07QJ8B21R   |   Model: YWBL-WHamgsv40wqb-04   |   PartNumber: YWBL-WHamgsv40wqb-04   |   Ean: 0748018730075   |   UPC: 748018730075

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..
Typical Applications: The Voltage Monitoring Relay Is Typically Applied In Dc Motor, Battery,Ups Power Supply, Dc Switch Gear, Dc Panel, Industrial Control System..
35Mm Guide Rail: With 35Mm Guide Rail And Standard Modular Structure, The Voltage Monitoring Relay Is Easy To Install, Easy To Operate..
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..

Features

  • Product Name: Voltage Monitoring Relay; Protection function: over voltage, under voltage; Rated voltage: DC 12V/24V/36V/48V; Overvoltage regulation range: 13-17v; Undervoltage adjustment range: 10-14v; Contact 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 Guide Rail: With 35mm guide 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 switch gear, DC panel, industrial control system.
  • See more on Amazon...

Brand: YWBL-WH   |   Manufacturer: YWBL-WH

Dimensions: 0.00 x 0.00 x 0.00 inches

Amazon Price: $24.29 | as of 05/04/2024 (11:37am pst) *DETAILS
Availability: In Stock

See On Amazon



  #15

DVRD Voltage Monitoring Relay DC 12V/24V/36V/48V Over-Voltage and Undervoltage Protector Relay(DC12V)

Asin: B09288DLMP   |   Ean: 9397217636537

Main Advantage: 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..
Typical Applications: The Voltage Monitoring Relay Is Typically Applied In Dc Motor, Battery, Ups Power Supply, Dc Switchgear, Dc Panel, Industrial Control System..
35Mm Guide Rail: With 35Mm Guide Rail And Standard Modular Structure, The Voltage Monitoring Relay Is Easy To Install, Easy To Operate..
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..

Features

  • IMPORTANT PARAMETERS: Protection function: over voltage, under voltage; Rated voltage: DC 12V/24V/36V/48V; Overvoltage regulation range: 13-17v; Undervoltage adjustment range:10-14v; Contact capacity: 6A 250VAC (resistivity).
  • 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.
  • MAIN ADVANTAGE: 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.
  • 35MM GUIDE RAIL: With 35mm guide 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.
  • See more on Amazon...

Brand: Oumefar   |   Manufacturer: Oumefar

Dimensions: 0.39 x 0.39 x 0.39 inches   |   Weight: 0.26 Pounds

Amazon Price: $26.69 | as of 05/04/2024 (11:37am pst) *DETAILS
Availability: In Stock

See On Amazon



  #16

Monitoring Relay, Three Phase Voltage, Insulation Monitoring, 22.5mm Width, Screw Terminal, 1 CO Contacts, Delay Time, 160 690 Line Supply Voltage

Asin: B0091WE2O8   |   Model: 3UG45121AR20   |   PartNumber: 3UG45121AR20   |   Ean: 0754554922850   |   UPC: 754554922850

Country Of Origin: United States.
Item Package Weight:0.25 Pounds.
Item Package Dimension:10.414 Centimeters L X 9.144 Centimeters W X 3.048 Centimeters H.

Features

  • Product Type:Electronic Component
  • Item Package Dimension:10.414 Centimeters L X 9.144 Centimeters W X 3.048 Centimeters H
  • Country Of Origin: United States
  • Item Package Weight:0.25 Pounds
  • See more on Amazon...

Brand: SIEMENS   |   Manufacturer: Siemens

Weight: 0.00 Pounds

Amazon Price: $89.99 | as of 05/04/2024 (11:37am pst) *DETAILS
Availability: In Stock

See On Amazon



  #17

3 Phase Monitoring Relay Circuit Protection Power Supply Monitor Phase Sequence Protector

Asin: B07SQ37BKZ   |   Model: YWBL-WH4rqhx8o7is   |   PartNumber: YWBL-WH4rqhx8o7is   |   Ean: 0712979525056   |   UPC: 712979525056

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..
Compact Size, Can Be Installed Anywhere In The Room, Saving A Lot Of Space And Easy To Install..
Keep The Motor Working Continuously And Efficiently, A Very Useful Tool In Daily Life..
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..

Features

  • 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.
  • See more on Amazon...

Brand: YWBL-WH   |   Manufacturer: YWBL-WH

Dimensions: 0.00 x 0.00 x 0.00 inches   |   Weight: 0.15 Pounds

Amazon Price: $19.66 | as of 05/04/2024 (11:37am pst) *DETAILS
Availability: In Stock
List Price: $20.84

See On Amazon



  #18

Voltage Protective Device, Double LED Display Single Phase Adjustable Voltage Current Protector AC230V 63A, Over Voltage Protection Under Voltage Protection, 3.2 x 1.4 x 2.4in

Asin: B0C84V19SJ   |   Model: Estinknkgt1g6rc9   |   PartNumber: Estinknkgt1g6rc9

Adjustable Protector: Overvoltage Value, Undervoltage Value, Overcurrent Protection And Fault Recovery Delay Time Are Adjustable. With A Maximum Capacity Of 63A, This Single Phase Voltage Current Protector Can Handle Large Electrical Loads.
High Performance: Low Power Consumption And Long Mechanical Life. Keep Your Electrical Equipment Running Smoothly And Efficiently With The Help Of This Adjustable Voltage Current Protector.
Designed For: This Protector Has Reset Mode Selection. This Single Phase Adjustable Voltage Current Protector Is Designed To Protect Your Electrical Equipment From Overvoltage.
Double Led Display: Double Led Display, This Voltage Protective Device Can Display Voltage, Current, Etc. The Double Led Display Makes It Easy To Monitor The Voltage And Current, Allowing You To Adjust As Needed.

Features

  • VOLTAGE PROTECTIVE DEVICE: The protector has over voltage protection, under voltage protection and other functions. This voltage current protector is the perfect solution to protect your valuable electronics
  • DOUBLE LED DISPLAY: Double LED display, this voltage protective device can display voltage, current, etc. The double LED display makes it easy to monitor the voltage and current, allowing you to adjust as needed
  • ADJUSTABLE PROTECTOR: Overvoltage value, undervoltage value, overcurrent protection and fault recovery delay time are adjustable. With a maximum capacity of 63A, this single phase voltage current protector can handle large electrical loads
  • DESIGNED FOR: This protector has reset mode selection. This single phase adjustable voltage current protector is designed to protect your electrical equipment from overvoltage
  • HIGH PERFORMANCE: Low power consumption and long mechanical life. Keep your electrical equipment running smoothly and efficiently with the help of this adjustable voltage current protector
  • See more on Amazon...

Brand: Estink   |   Manufacturer: Estink

Amazon Price: $14.74 | as of 05/04/2024 (11:37am pst) *DETAILS
Availability: In Stock
List Price: $17.79

See On Amazon



  #19

Lovato Electric RF381800 Motor Protection Relays, Phase Failure/Single Phase Sensitive. Three Pole (Three Phase), Manual or Automatic Resetting. Direct Mounting On Bf09 - Bf38 Contactors, 13 18A

Asin: B00OM7H7BC   |   Model: RF381800   |   PartNumber: RF381800   |   Ean: 8013975169889

Direct Mounting On Bf09…Bf38 Contactors.
Independent Mounting With Rfx38 04 Base.
Manual Or Automatic Resetting.

Features

  • Motor Protection Relay
  • Manual or automatic resetting
  • Direct mounting on BF09 BF38 contactors
  • Independent mounting with RFX38 04 base
  • See more on Amazon...

First Available: 03/12/2017

Brand: Lovato   |   Manufacturer: Lovato Electric

Dimensions: 3.54 x 2.56 x 1.81 inches   |   Weight: 0.35 Pounds

Amazon Price: $83.95 | as of 05/04/2024 (11:37am pst) *DETAILS

See On Amazon



  #20

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

Asin: B0091WE496   |   Model: 3UG45131BR20   |   PartNumber: 3UG45131BR20   |   Ean: 0754554928012   |   UPC: 754554928012

Country Of Origin: United States.
Item Package Weight:0.100 Pounds.
Item Package Dimension:10.921 Centimeters L X 9.906 Centimeters W X 3.048 Centimeters H.

Features

  • 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
  • See more on Amazon...

First Available: 05/15/2017

Brand: SIEMENS   |   Manufacturer: Siemens

Weight: 0.00 Pounds

Amazon Price: $90.53 | as of 05/04/2024 (11:37am pst) *DETAILS
Availability: In Stock

See On Amazon




Looking For Something Else? Search

Top Reviewed

  1. SVR1000 Single Phase Protection Relay Over-Voltage 20V-80V Under-Voltage 0.1V-30V AC/DC(AD48)
  2. Voltage Monitoring Relay DC 12V/24V/36V/48V Over-Voltage and Under-Voltage Protection Relay 35MM Gui...
  3. GAEYAELE Three Phase Failure Phase Sequence Voltage Monitoring Relay Voltage Sensing Protection Rela...
  4. ICM - 9801223 Controls 408 3-Phase Monitor Adjustable 190-480 VAC Plug-in Style
  5. Monitoring Relay Three Phase Voltage Insulation Monitoring 22.5mm Width Screw Terminal 1 CO Con...
  6. ICM Controls ICM401 Three-Phase Line Voltage Monitor Offering Protection Against Phase Loss/Reversal...
  7. GEYA Single Phase Voltage Relay Adjustable Over or Under Voltage Protection Monitor Relay 1SPDT 10A(...
  8. Lovato Electric RF381800 Motor Protection Relays Phase Failure/Single Phase Sensitive. Three Pole (...
  9. Monitoring Relay Three Phase Voltage Insulation Monitoring 22.5mm Width Screw Terminal 2 CO Con...

Most Popular

  1. ICM Controls ICM401 Three-Phase Line Voltage Monitor Offering Protection Against Phase Loss/Reversal...
  2. 8 7 4 TG30 3-Phase Phase Sequence Relay Phase Failure Loss Protection 220-380VAC TG30 Protector
  3. YWBL-WH GRV8-03 Three Phase Voltage Monitoring Phase Failure IP20 Protection Relay Phase Sequence(M4...
  4. TIME MARK CORP A258B-480VAC
  5. SVR1000 Single Phase Protection Relay Over-Voltage 20V-80V Under-Voltage 0.1V-30V AC/DC(AD48)
  6. Voltage Monitoring Relay DC 12V/24V/48V Over Voltage and Under Voltage Protection Relay 35MM Guide R...
  7. GEYA Voltage Protection Relay with Phase Sequence Phase Failure Asymmetry Delay Time Function 1SPDT ...
  8. IIVVERR APR-3 AC 380V Phase Sequence Failure Monitoring Protective Relay (APR-3 AC 380V Fase de secu...
  9. TG30 3-Phase Phase Sequence Relay Phase Failure Loss Protection Power Supply Monitor Relay 3-Phase S...
  10. GEYA Single Phase Voltage Relay Adjustable Over or Under Voltage Protection Monitor Relay 1SPDT 10A(...
  11. APR-4 Phase Failure Reverse Sequence Protection Relay Waterproof Dust-Proof Shell Phase Controller 2...
  12. YWBL-WH GRV8-04 M460 Voltage Relay 3-Phase Voltage Monitoring Relay Phase Sequence Phase Failure Pro...
  13. TIME Mark 258B 3-Phase Monitor 258B240VAC
  14. Voltage Monitoring Relay DC 12V/24V/36V/48V Over-Voltage and Under-Voltage Protection Relay 35MM Gui...
  15. DVRD Voltage Monitoring Relay DC 12V/24V/36V/48V Over-Voltage and Undervoltage Protector Relay(DC12V...
  16. Monitoring Relay Three Phase Voltage Insulation Monitoring 22.5mm Width Screw Terminal 1 CO Con...
  17. 3 Phase Monitoring Relay Circuit Protection Power Supply Monitor Phase Sequence Protector
  18. Voltage Protective Device Double LED Display Single Phase Adjustable Voltage Current Protector AC23...
  19. Lovato Electric RF381800 Motor Protection Relays Phase Failure/Single Phase Sensitive. Three Pole (...
  20. Monitoring Relay Three Phase Voltage Insulation Monitoring 22.5mm Width Screw Terminal 2 CO Con...
  21. Power Supply Monitor Relay 3 Phase Circuit Protection Voltage Monitoring Relay Phase Failure Sequen...
  22. GRV8-05 Voltage Relay 3-Phase Voltage Monitoring Relay Phase Sequence Phase Failure Protection M265
  23. Siemens 3UG4615-1CR20 Monitoring Relay Three Phase Voltage Insulation Monitoring 22.5mm Width Sc...
  24. TG30S 220-440V AC 3-Phase Sequence Protector Mini 3-Phase Sequence Relay Protector Voltage 3-Phase ...
  25. Oumefar Relay DVRD Voltage Monitoring Relay DC 12V/24V/36V/48V Over-Voltage and Undervoltage Protec...
  26. GAEYAELE Three Phase Failure Phase Sequence Voltage Monitoring Relay Voltage Sensing Protection Rela...
  27. ICM Controls ICM402 Three-Phase Line Voltage Monitor Offering Protection Against Phase Loss/Reversal...



Main Categories

Home & Garden


Home Improvement


Electronics


Office


Car & Automotive


Sporting Goods


Toys and Hobby


Health & Personal Care


Beauty Supplies


Fashion


Industrial


Related Categories

Abrasive & Finishing


Cutting Tools


Fasteners


Filtration


Commercial Door Products


Hydraulics, Pneumatics & Plumbing


Industrial Hardware


Industrial Tools


Food Services


Janitorial & Sanitation


Lab Equipment


Material Handling


Occupational Health


Packaging & Shipping


Power Transmission


Dental Supplies


Medical Supplies


Raw Materials


Retail Fixtures & Equipment


Tapes, Adhesives & Sealants


Test, Measure & Inspect


Robotics, 3D Printing & Science Education


Industrial Electrical



Additional Categories


We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites.
Certain content that appears on GistGear.com comes from Amazon services llc. This content is provided 'as is' and is subject to change or removal at any time.
Any price and availability information displayed on Amazon.com at the time of purchase will apply to the purchase of this product.
Amazon product prices and availability are accurate as of the date/time indicated and are subject to change.
As an Amazon Associate we earn from qualifying purchases.
>-0:3.40-<