Best phase monitoring relays - Buying Guide
Last Updated: 03/28/2024
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#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
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Brand: ICM Controls | Manufacturer: ICM
Dimensions: 6.00 x 6.00 x 6.00 inches
See On Amazon #2
Voltage Monitoring Relay DC 12V/24V/48V Over Voltage and Under Voltage Protection Relay 35MM Guide Rail Voltage Protector Device(DC 12V)
Asin: B09L55ZRTQ
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
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Brand: LiebeWH | Manufacturer: LiebeWH
Dimensions: 1.18 x 3.54 x 3.54 inches
See On Amazon #3
Siemens 3UG4614-1BR20 Monitoring Relay, Three Phase Voltage, Insulation Monitoring, 22.5mm Width, Screw Terminal, 2 CO Contacts, Delay 0-20s On and Off Delay Time, 160-690 Line Supply Voltage
Asin: B0091WE4XW | Model: 3UG46141BR20 | PartNumber: 3UG46141BR20 | Ean: 0754554929088 | UPC: 754554929088
Can Be Digitally Set, With Fault Memory And With Lcd Display.
Removable Terminals.
Can Be Used On All Line Supplies Around The World (From 160V To 690V) Without An Auxiliary Voltage.
Features
- For line and single-phase voltage monitoring
- Can be used on all line supplies around the world (from 160V to 690V) without an auxiliary voltage
- Can be digitally set, with fault memory and with LCD display
- Removable Terminals
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Brand: SIEMENS | Manufacturer: Siemens
Weight: 0.31 pounds
See On Amazon #4
YWBL-WH SVR1000 Single Phase Protection Relay Over-Voltage 50V-300V Under-Voltage 1V-90V AC/DC(AD220)
Asin: B07PZD9WSL | Ean: 0703633820945 | UPC: 703633820945
Built-In Lcd Chinese Display Voltage Value, Fault Status, Setting Parameters..
No Additional Auxiliary Power Supply Is Required..
Real-Time Monitoring Of Single Phase Over-Voltage And Under-Voltage Fault..
Ac/Dc Voltage Universal, Automatic Identification Of Ac/Dc Voltage, No Need To Switch..
Features
- Standard modular structure, guide rail type installation.
- 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.
- No additional auxiliary power supply is required.
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Brand: YWBL-WH | Manufacturer: YWBL-WH
Dimensions: 0.00 x 0.00 x 0.00 inches
See On Amazon #5
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
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Brand: Estink | Manufacturer: Estink
See On Amazon #6
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
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Brand: Generic | Manufacturer: Generic
Weight: 1.00 pounds
See On Amazon #7
Single Phase Overvoltage and Undervoltage Protector SVR1000 Protection Relay 35mm Guide Rail for Electric Motor(AD48)
Asin: B08667JG5Y
Feature-- Built-In Lcd Chinese Display Voltage Value, Fault Status, Setting Parameters. Over-Voltage Value And Action Time Can Be Adjusted..
Energy Saving-- 1 Co & 1Nc Contacts, Over-Voltage And Under-Voltage Protection. No Additional Auxiliary Power Supply Is Required..
Good Performance-- Real-Time Monitoring Of Single Phase Over-Voltage And Under-Voltage Fault..
Easy Operation-- Ac/Dc Voltage Universal, Automatic Identification Of Ac/Dc Voltage, No Need To Switch..
Features
- EASY TO INSTALL-- Standard modular structure, guide rail type installation. Ideal for electric motor, blower, water pump, air compressor, crane, travelling crane, lifter, elevator, machine tool, central air-conditioning, refrigeration equipment, laser equipment, industrial control system
- EASY OPERATION-- Ac/dc voltage universal, automatic identification of ac/dc voltage, no need to switch.
- FEATURE-- Built-in LCD Chinese display voltage value, fault status, setting parameters. Over-voltage value and action time can be adjusted.
- GOOD PERFORMANCE-- Real-time monitoring of single phase over-voltage and under-voltage fault.
- ENERGY SAVING-- 1 CO & 1NC contacts, over-voltage and under-voltage protection. No additional auxiliary power supply is required.
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Brand: Walfront | Manufacturer: Walfront
Dimensions: 0.00 x 0.00 x 0.00 inches | Weight: 0.26 pounds
See On Amazon #8
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.
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Brand: YWBL-WH | Manufacturer: YWBL-WH
Dimensions: 0.00 x 0.00 x 0.00 inches
See On Amazon #9
Power Supply Monitor Relay, 3 Phase Circuit Protection Voltage Monitoring Relay Phase Failure Sequence Protector for Motors Pumps
Asin: B08521B38X | Ean: 0738673590824 | UPC: 738673590824
Reverse Phase Protection-Reverse Phase Protection, A Protection Measure To Prevent L1, L2, L3 Three-Phase Ac Phase Sequence From Being Connected Incorrectly, Delay 2S Action.
Ideal For-Widely Used In Air Compressors, Electric Motors, Distribution Boxes, Water Pumps, Oil Pumps, Central Air Conditioning Units, Etc.
Voltage Imbalance Protection-Voltage Imbalance Protection, Which Refers To A Protective Measure That Will Affect The Safe Operation Of The Line Due To Three-Phase Voltage Imbalance.
Phase Loss Protection-Phase Loss Protection Means That When The Protected Line Is In The Running State Or Non-Operating State, Any Phase Failure Occurs, And The Delay Is 2S.
Features
- 3 INDICATORS-The protector base adopts 35mm rail type or device type, and has two screw hole structures inside, which can be directly installed separately or HT35 rail. Indicated by three indicators: normal, phase loss(voltage three-phase unbalance), reverse phase
- PHASE LOSS PROTECTION-Phase loss protection means that when the protected line is in the running state or non-operating state, any phase failure occurs, and the delay is 2S
- REVERSE PHASE PROTECTION-Reverse phase protection, a protection measure to prevent L1, L2, L3 three-phase AC phase sequence from being connected incorrectly, delay 2S action
- VOLTAGE IMBALANCE PROTECTION-Voltage imbalance protection, which refers to a protective measure that will affect the safe operation of the line due to three-phase voltage imbalance
- IDEAL FOR-Widely used in air compressors, electric motors, distribution boxes, water pumps, oil pumps, central air conditioning units, etc
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Brand: Nannday | Manufacturer: Nannday
Dimensions: 0.00 x 0.00 x 0.00 inches
See On Amazon #10
GRV8-05 Voltage Relay,3-Phase Voltage Monitoring Relay Phase Sequence Phase Failure Protection M265
Asin: B07RSX3XTN | Model: YWBL-WHo6m7t0i5sp | PartNumber: YWBL-WHo6m7t0i5sp | Ean: 0749249151240 | UPC: 749249151240
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..
Small Size And Easy To Install: The Voltage Protection Relay Is Ultra-Small And Can Be Mounted On A 35Mm Din Rail..
Led Indicator: The Working Status Of The Voltage Control Relay Is Indicated By The Led Indicator..
High Accuracy: The Voltage Relay Has 8 Adjustable Rated Voltages, And The Voltage Measurement Accuracy Is Less Than 1%..
Features
- 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 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.
- Small Size and Easy to Install: The voltage protection relay is ultra-small and can be mounted on a 35mm DIN rail.
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Brand: YWBL-WH | Manufacturer: YWBL-WH
Dimensions: 2.76 x 3.94 x 1.18 inches
See On Amazon #11
TIME MARK CORP A258B-480VAC
Asin: B084LGS1FM
Transmission Distribut. Relays.
Brand: TIME MARK CORP | Manufacturer: TIME MARK CORP
Dimensions: 3.34 x 3.34 x 2.00 inches | Weight: 0.30 pounds
See On Amazon #12
EVTSCAN Latest DPA51CM44 3-Phase Monitoring Relay, Current/Voltage Monitoring Relay Phase Sequence Protector for Three-Phase System, Without Neutral, Phase Loss, 208-480VAC
Asin: B09C59SGCB | Model: EVTSCANpgvtmou6dg | PartNumber: EVTSCANpgvtmou6dg
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.
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.
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.
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.
Features
- Small Size: 2021 Improved Version, This 3-Phase Monitoring Relay has a smaller compact size for easier 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
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Brand: EVTSCAN | Manufacturer: EVTSCAN
Dimensions: 0.00 x 0.00 x 0.00 inches | Weight: 0.15 pounds
See On Amazon #13
ICM Controls ICM402 Three-Phase Line Voltage Monitor Offering Protection Against Phase Loss/Reversal and Unbalance, 50/60 Hz, 190-600 VAC (115 or 208/240 Control VAC)
Asin: B0018MLVUM | Model: ICM402 | PartNumber: ICM402 | Ean: 0800442000954, 0841999147914 | UPC: 841999147914, 800442000954
Bright Led Indicators For On And Fault.
Control Voltage Input 115, 208/240 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 input 115, 208/240 VAC
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Brand: ICM Controls | Manufacturer: ICM Controls
Weight: 0.50 pounds
See On Amazon #14
Siemens 3UG4513-1BR20 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
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First Available: 05/15/2017
Brand: SIEMENS | Manufacturer: Siemens
Weight: 0.00 pounds
See On Amazon #15
Siemens 3UG4615-1CR20 Monitoring Relay, Three Phase Voltage, Insulation Monitoring, 22.5mm Width, Screw Terminal, 1CO For Vmin and Vmax Contacts, 0-20s For Vmin and Vmax Delay Time, 160-690 Line Supply Voltage
Asin: B0091WE5JU | Model: 3UG46151CR20 | PartNumber: 3UG46151CR20 | Ean: 0754554928623 | UPC: 754554928623
Country Of Origin: United States.
Item Package Weight:0.3 Pounds.
Item Package Dimension:10.921 Centimeters L X 10.16 Centimeters W X 3.048 Centimeters H.
Features
- Product Type:Electronic Component
- Item Package Dimension:10.921 Centimeters L X 10.16 Centimeters W X 3.048 Centimeters H
- Country Of Origin: United States
- Item Package Weight:0.3 Pounds
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First Available: 05/15/2017
Brand: SIEMENS | Manufacturer: Siemens
See On Amazon #16
Siemens 3UG4512-1BR20 Monitoring Relay, Three Phase Voltage, Insulation Monitoring, 22.5mm Width, Screw Terminal, 2 CO Contacts, Delay Time, 160-690 Line Supply Voltage
Asin: B0091WE3J2 | Model: 3UG45121BR20 | PartNumber: 3UG45121BR20 | Ean: 0754554931456 | UPC: 754554931456
Country Of Origin: United States.
Item Package Weight:0.1 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:0.1 Pounds
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First Available: 12/12/2017
Brand: SIEMENS | Manufacturer: Siemens
Weight: 0.10 pounds
See On Amazon #17
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.
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Brand: YWBL-WH | Manufacturer: YWBL-WH
Dimensions: 2.76 x 3.94 x 1.18 inches | Weight: 0.18 pounds
See On Amazon #18
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
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Brand: Kadimendium | Manufacturer: Kadimendium
Dimensions: 1.18 x 2.95 x 2.56 inches | Weight: 0.22 pounds
See On Amazon #19
FOUNCY 5PCS Automobile Relay 898H-1CH-C-R1-U03-12VDC 898H-1CH-C-R1U02-24VDC 898H 1CH C R1 UO3 12VDC 898H-1CH-C-R1 UO3 5PINS (Size : 898H-1CH-C-R1UO3 12V)
Asin: B0CHNYY2LH | Ean: 9305503804621, 9305505320808
2.【Versatile Applications】: With Its Broad Compatibility, This Relay Is Suitable For A Diverse Range Of Applications, Including Home Automation, Industrial Control, Automotive Electronics, And Security Systems. It Provides Flexible Solutions To Meet The Unique Needs Of Different Industries..
4.【Easy Installation And Operation】: Designed With User-Friendliness In Mind, This Relay Boasts Effortless Installation And Operation. Its Intuitive Setup Allows Users, Regardless Of Technical Expertise, To Seamlessly Connect And Configure The Relay, Ensuring Quick And Hassle-Free Integration..
3.【Compact And Durable Design】: Designed To Be Compact Yet Robust, This Relay Features A Sleek Form Factor That Allows For Easy Installation Even In Limited Spaces. Its Durable Construction Ensures Reliable Performance In Diverse Environments, Guaranteeing Long-Lasting Functionality..
1.【Efficient Electrical Controller】: This Relay Offers Efficient Electrical Control, Enabling The Seamless Control Of Various Circuits And Devices. It Facilitates Automation And Remote Operation, Making It Ideal For A Wide Range Of Applications..
Features
- Relays
- 1. Efficient electrical controller : This relay offers efficient electrical control, enabling the seamless control of various circuits and devices. It facilitates automation and remote operation, making it ideal for a wide range of applications.
- 2. Versatile applications : With its broad compatibility, this relay is suitable for a diverse range of applications, including home automation, industrial control, automotive electronics, and security systems. It provides flexible solutions to meet the unique needs of different industries.
- 3. Compact and durable design : Designed to be compact yet robust, this relay features a sleek form factor that allows for easy installation even in limited spaces. Its durable construction ensures reliable performance in diverse environments, guaranteeing long-lasting functionality.
- 4. Easy installation and operation : Designed with user-friendliness in mind, this relay boasts effortless installation and operation. Its intuitive setup allows users, regardless of technical expertise, to seamlessly connect and configure the relay, ensuring quick and hassle-free integration.
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Brand: FOUNCY | Manufacturer: FOUNCY
Weight: 0.00 pounds
See On Amazon #20
Siemens 3UG4512-1AR20 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
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Brand: SIEMENS | Manufacturer: Siemens
Weight: 0.00 Pounds
See On Amazon #21
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
See On Amazon #22
GAEYAELE Voltage Protection Relay with Phase Sequence Phase Failure Asymmetry Delay Time Function AC220V-460V 10A 1SPDT(GRV8-05,M460)
Asin: B07B8NVY7F | Model: LE5 | PartNumber: LE5 | Ean: 0643845658700 | UPC: 643845658700
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.
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Brand: GAEYAELE | Manufacturer: ZHEJIANG GEYA ELECTRICAL CO.,LTD
Dimensions: 25.20 x 35.43 x 7.09 inches
See On Amazon #23
3-Phase Monitoring Relay DPA51CM44 Phase Sequence Protector 208-480VAC,Used in Motor Protection, Elevator, air Conditioning System, Power System. for Phase Loss
Asin: B0CZ4KQZBT | Model: ZAWELIYOnmk8gvag7w | PartNumber: ZAWELIYOnmk8gvag7w
[Compact Design] The Compact Size Of The Relay Allows For Easy And Convenient Installation In Various Settings..
[Wide Application] Widely Used In Motor Protection, Elevators, Air Conditioning Systems, And Power Systems For Versatile Protection..
[Phase Sequence Detection] 3-Phase Monitoring Relay Accurately Detects Phase Sequence And Phase Loss For Enhanced Safety..
[Strong Anti-Interference Performance] Dpa51cm44 3-Phase Monitoring Relay Ensures Reliable Operation Without External Disruptions..
Features
- [Efficient Motor Operation] Maintain constant and efficient performance of motors for optimal functionality.
- [Strong Anti-interference Performance] Dpa51cm44 3-phase monitoring relay ensures reliable operation without external disruptions.
- [Compact Design] The compact size of the relay allows for easy and convenient installation in various settings.
- [Phase Sequence Detection] 3-Phase monitoring relay accurately detects phase sequence and phase loss for enhanced safety.
- [Wide Application] Widely used in motor protection, elevators, air conditioning systems, and power systems for versatile protection.
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Brand: ZAWELIYO | Manufacturer: ZAWELIYO
See On Amazon #24
Relay HF41F-12-ZST HF41F12ZST HF41F 12ZST HF41F-12ZST HF41F 12-ZST DIP5 5PCS
Asin: B0CZ42WZSC | Model: PONNYC | PartNumber: PONNYC | Ean: 9305536475416
Brand: PONNYC | Manufacturer: PONNYC
Weight: 0.11 pounds
See On Amazon #25
Relay 793-P-1C-24VDC 793-P-1C 24VDC 793-P-1C-S-24VDC 793P1C 24VDC DC24V 24V 16A 250VAC 8PIN (Size : 5PCS)
Asin: B0CZ42RFY8 | Model: PONNYC | PartNumber: PONNYC | Ean: 9305536475508
Brand: PONNYC | Manufacturer: PONNYC
Weight: 0.11 pounds
See On Amazon #26
Relay OJ-SS-112HM2 12V OJ-SS-112HM2-12V OJSS112HM2 12V 12VDC DC12V 10A 250VAC 4PIN (Size : 20PCS)
Asin: B0CZ424PPM | Model: PONNYC | PartNumber: PONNYC | Ean: 9305536475171
Brand: PONNYC | Manufacturer: PONNYC
Weight: 0.11 pounds
See On Amazon #27
3 Phase Monitor Relay, SPDT, 500VAC, 8 Pin (G1803545)
Asin: B0CYTFG4DX
Ac Contact Rating - Relay: 10A @ 277V, Dc Contact Rating - Relay: 7A @ 30V, Base Type - Plug In Relay: Octal.
Over Voltage: No, Pick Up Range: 190 To 500Vac, Under Voltage: No.
Drop-Out Range: 75% To 95%, Phase Loss Sensitivity: No, Phase Reversal: Yes.
Number Of Pins - Relay: 8, Mounting - Relay: Plug In, Contact Form - Relay: Spdt.
Item: Phase Monitor Relay, Item - Relay: Phase Monitor Relay, Input Or Control Voltage: 190 To 500V Ac.
Features
- Pack of 2
- Item: Phase Monitor Relay, Item - Relay: Phase Monitor Relay, Input or Control Voltage: 190 to 500V AC
- AC Contact Rating - Relay: 10A @ 277V, DC Contact Rating - Relay: 7A @ 30V, Base Type - Plug In Relay: Octal
- Number of Pins - Relay: 8, Mounting - Relay: Plug In, Contact Form - Relay: SPDT
- Over Voltage: No, Pick Up Range: 190 to 500VAC, Under Voltage: No
- Drop-Out Range: 75% to 95%, Phase Loss Sensitivity: No, Phase Reversal: Yes
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Brand: Generic | Manufacturer: Generic
See On Amazon #28
Relay VSB24SMB VSB 24SMB VSB-24SMB VSB-24SMB-24VDC DIP6 5pcs
Asin: B0CZ411Y68 | Model: PONNYC | PartNumber: PONNYC | Ean: 9305536475300
Brand: PONNYC | Manufacturer: PONNYC
Weight: 0.11 pounds
See On Amazon #29
24V Relay HFV7A 024-ZSPT-D1 HFV7A-024-ZSPT-D1 HFV7A024ZSPTD1 24VDC DC24V 24V 40A 5PIN (Size : 2PCS)
Asin: B0CZ41T5PQ | Model: PONNYC | PartNumber: PONNYC | Ean: 9305536475485
Brand: PONNYC | Manufacturer: PONNYC
Weight: 0.11 Pounds
See On Amazon #30
Relay RA12WN-K RA12WNK 12V 12VDC DC12V 8PIN (Size : 5PCS)
Asin: B0CYZSD2RR | Model: PONNYC | PartNumber: PONNYC | Ean: 9305536475102
Brand: PONNYC | Manufacturer: PONNYC
Weight: 0.11 pounds
See On Amazon
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