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Phase Protection Function

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Timing Counting Function Voltage Relay Phase Sequence Protection

Timing Counting Function Voltage Relay Phase Sequence Protection

US $ 16.45-18.21 / Piece FOB
100 Pieces (MOQ)
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Main Products: Electronic Relay, Motor Protector, Voltage Relay, Current Relay, Time Relay
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Yueqing Aukeman Trading Co., Ltd.

Zhejiang, China Since 2010
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Single-Phase Intelligent Water Pump Controller 2.4kw Overload Protection Function

Single-Phase Intelligent Water Pump Controller 2.4kw Overload Protection Function

US $ 30-35 / Piece FOB
1 Piece (MOQ)
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Function : Automatic Control, Protection
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Shanghai Winning Electric Co., Ltd.

Manufacturer/Factory & Trading Company

Shanghai, China Since 2021
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an Advanced Single-Phase Voltage System with Enhanced Fuse Protection Function

an Advanced Single-Phase Voltage System with Enhanced Fuse Protection Function

US $ 150-300 / Piece FOB
1 Piece (MOQ)
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Main Products: V and LV Switchgear, Power Transformer, Indoor and Outdoor Vacuum Circuit Breakers
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Shenheng Power Equipment Co., Ltd.

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2022
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Reliable 15kVA Single Phase Voltage Stabilizer with Overvoltage Protection Function

Reliable 15kVA Single Phase Voltage Stabilizer with Overvoltage Protection Function

US $ 222-235 / Piece FOB
1 Piece (MOQ)
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Current Type : AC
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Honle Group Co., Ltd.

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2014
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Three-Phase 10kv Electrical Transformer 50kVA 160kVA 400kVA 1000kVA with Advanced Temperature Control and Self-Trip Function for Overload Protection

Three-Phase 10kv Electrical Transformer 50kVA 160kVA 400kVA 1000kVA with Advanced Temperature Control and Self-Trip Function for Overload Protection

US $ 1,500-3,000 / Piece FOB
1 Piece (MOQ)
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Main Products: Power Transformer, Box-Type Substation, High-Voltage/Low-Voltage Switchgear, New Energy Equipment, Bus Duct, Oil-Immersed Transformer, Amorphous Alloy Transformer, Excitation Transformer
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Chongqing JNCN Electric Co., Ltd.

Manufacturer/Factory & Trading Company

Chongqing, China Since 2025
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Pure Copper Generator with Low Loss, Overload Protection Function, Three-Phase High Power Model 100kVA Silent Diesel Generator Set

Pure Copper Generator with Low Loss, Overload Protection Function, Three-Phase High Power Model 100kVA Silent Diesel Generator Set

US $ 5,250-5,500 / Piece FOB
1 Piece (MOQ)
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Type : Self-Starting Diesel Generator
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Fuan Usuper Power Co., Ltd.

Manufacturer/Factory & Trading Company

Fujian, China Since 2025
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Multi Protection Functions Three Phase Tns-9kVA Servo Motor Type Voltage Stabilizers

Multi Protection Functions Three Phase Tns-9kVA Servo Motor Type Voltage Stabilizers

US $ 153 / Piece FOB
1 Piece (MOQ)
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Main Products: Voltage Stabilizer‬, ‪Frequency Inverter‬, ‪Power Inverter‬, ‪Transformer‬, ‪UPS‬
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Zhejiang Mingch Electrical Co., Ltd.

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2008
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High Quality 10 Kinds Protection Function 7.5kw to 630kw 380V 440V Motor Soft Starter 3 Phase for Pump

High Quality 10 Kinds Protection Function 7.5kw to 630kw 380V 440V Motor Soft Starter 3 Phase for Pump

US $ 106-1,112 / boxes FOB
1 boxes (MOQ)
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Link of Transformation : AC-AC Variable-Frequency Drive
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Zhejiang Chuanken Electric Co., Ltd.

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2018
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Perfect Protection Function Solar Pump Inverter 1.5kw Single Phase Low Failure Rate Solar Pump Controller

Perfect Protection Function Solar Pump Inverter 1.5kw Single Phase Low Failure Rate Solar Pump Controller

US $ 70-80 / Piece FOB
1 Piece (MOQ)
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Main Products: Frequency Inverter, Soft Start, VFD, Pump Controller, AC Drive, Solar Inverter, Combiner Box, Power Inverter
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ZHEJIANG KAIMIN ELECTRIC CO., LTD.

Zhejiang, China Since 2020
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China Automatic Six Phase Relay Protection Tester with GPS Synchronization Test Function

China Automatic Six Phase Relay Protection Tester with GPS Synchronization Test Function

US $ 2,600-9,900 / Set FOB
1 Set (MOQ)
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Control : Computer Control
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EP HIPOT ELECTRIC CO., LTD.

Manufacturer/Factory & Trading Company

Hubei, China Since 2019
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High Voltage Soft Starter Variable Frequency Power Control Cabinet with Overload Phase Failure and Overvoltage Protection Functions

High Voltage Soft Starter Variable Frequency Power Control Cabinet with Overload Phase Failure and Overvoltage Protection Functions

US $ 288-1,700 / UNIT FOB
1 UNIT (MOQ)
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Main Products: Electrical Cabinet, Distribution Cabinet
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Xiamen Vuzan Technology Co., Ltd

Manufacturer/Factory & Trading Company

Fujian, China Since 2025
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Auto-Recovery Function Single Phase Surge Protection Device for Refrigerators

Auto-Recovery Function Single Phase Surge Protection Device for Refrigerators

US $ 3.24-6.38 / Piece FOB
50 Pieces (MOQ)
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Operation Voltage : High Voltage
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Wenzhou Zhengkai Electric Co., Ltd

Zhejiang, China Since 2025
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Variable-Frequency Drive Diesel Generator Transformer Circuit Breaker Electrical Control System UPS
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Best Selling Six Phase Relay Protection Tester with Fault Self Diagnosis and Locking Function

Best Selling Six Phase Relay Protection Tester with Fault Self Diagnosis and Locking Function

US $ 10,000-100,000 / Roll FOB
1 Roll (MOQ)
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Main Products: AC DC Hipot Test Set, AC Resonant Test System, Transformer Test Set, Hv Switchgear Test Set, Ground Resistance Tester, Cable Fault Locating Test System, Insulator Fault Detector, CT PT Analyzer, Relay
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Sansion Power Electric Co., Ltd.

Manufacturer/Factory & Trading Company

Hubei, China Since 2015
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Six Phase Relay Protection Tester with Fault Self Diagnosis and Locking Function

Six Phase Relay Protection Tester with Fault Self Diagnosis and Locking Function

US $ 1,000-3,000 / Piece FOB
1 Piece (MOQ)
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Customized : Non-Customized
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Kiyu Power Wuhan Co., Ltd

Manufacturer/Factory & Trading Company

Hubei, China Since 2018
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Full Function Automatic Single Phase Relay Protection Test System Price

Full Function Automatic Single Phase Relay Protection Test System Price

US $ 1,500-2,548 / Piece FOB
1 Piece (MOQ)
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Main Products: Transformer Tester, Transformer Oil Tester, Relay Tester, High Voltage Tester, Circuit Breaker Tester
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Huazheng Electric Manufacturing (Baoding) Co., Ltd.

Manufacturer/Factory

Hebei, China Since 2015
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5.5kw 230V Multi-Protection Functions VFD for Conveyor Belt Single Phase VFD

5.5kw 230V Multi-Protection Functions VFD for Conveyor Belt Single Phase VFD

US $ 22.3-286.17 / Piece FOB
1 Piece (MOQ)
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Principle of Work : V/F Control Transducer
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Ji' Nan Tian Chuan Zhong Cheng Electricity Equipment Co., Ltd.

Shandong, China Since 2025
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Three-Phase AC 380V 1: 30 Gear-Type Reducer Motor with 50 Hz Frequency, Explosion-Proof Protection Function GM-Sb, 0.75kw

Three-Phase AC 380V 1: 30 Gear-Type Reducer Motor with 50 Hz Frequency, Explosion-Proof Protection Function GM-Sb, 0.75kw

US $ 500-600 / Piece FOB
1 Piece (MOQ)
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Main Products: HMI PLC Serv Frequency Converter
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Dongguan Xinping Industrial Automation Co., Ltd

Trading Company

Guangdong, China Since 2026
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Hzjb-330s China Automatic Three Phase Relay Protection Tester with Software Self-Calibration Function

Hzjb-330s China Automatic Three Phase Relay Protection Tester with Software Self-Calibration Function

US $ 8,357-9,642.85 / Piece FOB
1 Piece (MOQ)
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Maxcapacity : <1000KN
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Wuhan Hertz Power Equipment Co., Ltd

Manufacturer/Factory & Trading Company

Hubei, China Since 2024
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Single-Phase Refrigerator Shaded Pole Motor with Waterproof Protection Function

Single-Phase Refrigerator Shaded Pole Motor with Waterproof Protection Function

US $ 3.8-9.85 / Piece FOB
100 Pieces (MOQ)
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Main Products: Evaporator, Condenser, Temperature Sensor, Refrigeration Accessories
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JINAN BESTAR INC.

Trading Company

Shandong, China Since 2005
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6-Phase Digital Automatic Overcurrent Relay Protection Test Device Multiple Function Secondary Injection Tester

6-Phase Digital Automatic Overcurrent Relay Protection Test Device Multiple Function Secondary Injection Tester

US $ 3,000-8,000 / Piece FOB
1 Piece (MOQ)
More
Customized : Non-Customized
Contact Supplier
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Kiyu Power Wuhan Co., Ltd

Manufacturer/Factory & Trading Company

Hubei, China Since 2018
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Related Videos
  • What is Timing Counting Function Voltage Relay Phase Sequence Protection
    What is Timing Counting Function Voltage Relay Phase Sequence Protection
    US $ 16.45-18.21 /Piece
    100 Pieces (MOQ)
    Contact Supplier
  • What is Single-Phase Intelligent Water Pump Controller 2.4kw Overload Protection Function
    What is Single-Phase Intelligent Water Pump Controller 2.4kw Overload Protection Function
    US $ 30-35 /Piece
    1 Piece (MOQ)
    Contact Supplier
  • What is Reliable 15kVA Single Phase Voltage Stabilizer with Overvoltage Protection Function
    What is Reliable 15kVA Single Phase Voltage Stabilizer with Overvoltage Protection Function
    US $ 222-235 /Piece
    1 Piece (MOQ)
    Contact Supplier
  • What is Three-Phase 10kv Electrical Transformer 50kVA 160kVA 400kVA 1000kVA with Advanced Temperature Control and Self-Trip Function for Overload Protection
    What is Three-Phase 10kv Electrical Transformer 50kVA 160kVA 400kVA 1000kVA with Advanced Temperature Control and Self-Trip Function for Overload Protection
    US $ 1,500-3,000 /Piece
    1 Piece (MOQ)
    Contact Supplier
Variable Frequency Inverter 3 Phase Converter with Over Current Protection Function

Variable Frequency Inverter 3 Phase Converter with Over Current Protection Function

US $ 220-240 / Piece FOB
1 Piece (MOQ)
More
Main Products: Frequency Inverter, Soft Start, VFD, Pump Controller, AC Drive, Solar Inverter, Combiner Box, Power Inverter
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ZHEJIANG KAIMIN ELECTRIC CO., LTD.

Zhejiang, China Since 2020
Chat Now Send Inquiry
Potable 6 Phase Relay Protection Tester with GPS Function

Potable 6 Phase Relay Protection Tester with GPS Function

US $ 5,000-7,600 / Set FOB
1 Set (MOQ)
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Kiyu Power Wuhan Co., Ltd

Manufacturer/Factory & Trading Company

Hubei, China Since 2018
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Aoasis Qjx3-11-45kw Star Delta Starter Control Cabinet with Motor Overload, Phase Loss and Short Circuit Protection Functions

Aoasis Qjx3-11-45kw Star Delta Starter Control Cabinet with Motor Overload, Phase Loss and Short Circuit Protection Functions

US $ 57-150 / Piece FOB
1 Piece (MOQ)
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Main Products: Circuit Breaker, SPD, Contactor, Thermal Overload Relay, D. O. L Motor Starter, Time Relay, Protection Relay, MCCB, ELCB,Over and under voltage protector , wire termination , change over switch, isol
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Aoasis (Hangzhou) International Business Co., Ltd

Trading Company

Zhejiang, China Since 2011
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About Phase Protection Function FAQ

  • QWhat factors should I consider when choosing a Variable-Frequency Drive manufacturer in China?

    Enhance your Variable-Frequency Drive setup with our premium Phase Protection Function.When selecting a manufacturer in China for Variable-Frequency Drives, consider factors such as experience, reputation, product quality, after-sales support, and customization capabilities. It is advisable to closely review supplier credentials for a successful partnership.

  • QHow can I benefit from sourcing Variable-Frequency Drives from reputable suppliers?

    Our Phase Protection Function offers exceptional quality within the Variable-Frequency Drive category.By sourcing Variable-Frequency Drives from reputable suppliers, you can ensure product quality, technical expertise, competitive pricing, and prompt delivery. A well-known manufacturer offers reliability, tech support, and a wide range of VFD options to meet your specific requirements.

  • QWhat are the advantages of using Variable-Frequency Drives for industrial applications?

    Upgrade your Variable-Frequency Drive with the elegant and durable Phase Protection Function.Variable-Frequency Drives are instrumental in controlling motor speed, enhancing energy efficiency, reducing equipment wear, and optimizing processes in industrial applications. Talk to a trusted supplier to explore the benefits of VFDs and improve your operational efficiency.

3 Phase Voltage Monitoring Relay Voltage Protection Relay with Multi Protective Function

3 Phase Voltage Monitoring Relay Voltage Protection Relay with Multi Protective Function

US $ 8.73-10.62 / Piece FOB
100 Pieces (MOQ)
More
Size : Miniature
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Audited Supplier
Yueqing Aukeman Trading Co., Ltd.

Zhejiang, China Since 2010
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Automatic 6 Phase Relay Protection Tester with Synchronization Testing Function

Automatic 6 Phase Relay Protection Tester with Synchronization Testing Function

US $ 3,000-8,000 / Piece FOB
1 Piece (MOQ)
More
Main Products: Oil Transformer, Impulse Voltage Generator, Vlf Hipot Test Equipment, Loop Resistance Tester, Relay Protection Tester, Pd Test System, Cable Fault Tester, Tuning Resonance Test Device, DC Hv Generator, Lightning Arrester
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Kiyu Power Wuhan Co., Ltd

Manufacturer/Factory & Trading Company

Hubei, China Since 2018
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3 Phase Voltage Monitoring Relay LCD Display Voltage Protection Relay with Multi Protective Function

3 Phase Voltage Monitoring Relay LCD Display Voltage Protection Relay with Multi Protective Function

US $ 8.73-10.62 / Piece FOB
100 Pieces (MOQ)
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Protective Characteristics : Enclosed Relay
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Yueqing Aukeman Trading Co., Ltd.

Zhejiang, China Since 2010
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Voltage Protection Relay with Phase Sequence Phase Failure Asymmetry Delay Time Function

Voltage Protection Relay with Phase Sequence Phase Failure Asymmetry Delay Time Function

US $ 6.69 / Piece FOB
1 Piece (MOQ)
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Main Products: DC contactor
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Wenzhou Taiye Electric Co., Ltd.

Trading Company

Zhejiang, China Since 2024
Chat Now Send Inquiry
Intelligent Digital Motor Thermal Protector Relay Used for 3 Phase Electric Motor with Temperature Protection Function

Intelligent Digital Motor Thermal Protector Relay Used for 3 Phase Electric Motor with Temperature Protection Function

US $ 60-150 / Piece FOB
1 Piece (MOQ)
More
Theory : Electromagnetic Relay
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Audited Supplier
Chongqing Blue Jay Technology Co., Ltd

Chongqing, China Since 2024
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Voltage Protection Relay with Phase Sequence Phase Failure Asymmetry Delay Time Function

Voltage Protection Relay with Phase Sequence Phase Failure Asymmetry Delay Time Function

US $ 6.69 / Piece FOB
1 Piece (MOQ)
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Main Products: DC contactor
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Wenzhou Taiye Electric Co., Ltd.

Trading Company

Zhejiang, China Since 2024
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Tsd-15kVA Mingch Hot Sale Multi Protection Functions Digital Display Type Automatic AC Single Phase High Precision Single Phase Automatic AC Voltage Stabilizer

Tsd-15kVA Mingch Hot Sale Multi Protection Functions Digital Display Type Automatic AC Single Phase High Precision Single Phase Automatic AC Voltage Stabilizer

1 Piece (MOQ)
More
Size : Small
Contact Supplier
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Zhejiang Mingch Electrical Co., Ltd.

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2008
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50Hz Frequency Single Phase Pump Controller (L521) with Empty Load Function Protection

50Hz Frequency Single Phase Pump Controller (L521) with Empty Load Function Protection

10 Pieces (MOQ)
More
Main Products: Pump Control Box, Pump Controller, Pump Control Panel, Water Pump Control Box, Pump Control System, Water Pump Control, Level Control, Pump Pressure Control, Pump Starter, Pump Protection Box
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Hunan Leading Science & Technology Development Co., Ltd.

Hunan, China Since 2012
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Mingch Single Phase Alternating Current AC Digital Display Type Under Voltage Protection Function Tnd-3kVA Power Stabilizer

Mingch Single Phase Alternating Current AC Digital Display Type Under Voltage Protection Function Tnd-3kVA Power Stabilizer

1 Piece (MOQ)
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Current Type : AC
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Zhejiang Mingch Electrical Co., Ltd.

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2008
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Tsd-10kVA Modern Design High Efficiency Multi Protection Functions CE ISO Approved Digital Display Type Single Phase Automatic AC Voltage Stabilizer Regulator

Tsd-10kVA Modern Design High Efficiency Multi Protection Functions CE ISO Approved Digital Display Type Single Phase Automatic AC Voltage Stabilizer Regulator

1 Piece (MOQ)
More
Main Products: Voltage Stabilizer‬, ‪Frequency Inverter‬, ‪Power Inverter‬, ‪Transformer‬, ‪UPS‬
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Zhejiang Mingch Electrical Co., Ltd.

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2008
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Multi-Scenario PDU Power Distribution Unit - Surge Protection Remote Control for Data Center Micro Module Container Room Enterprise Telecom It Facilities

Multi-Scenario PDU Power Distribution Unit - Surge Protection Remote Control for Data Center Micro Module Container Room Enterprise Telecom It Facilities

US $ 21.8 / Piece FOB
5 Pieces (MOQ)
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Condition : New
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Jiangsu Datang Weishi Technology Co., Ltd

Manufacturer/Factory & Trading Company

Jiangsu, China Since 2025
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Does This EV Charger Distribution Board Have Multiple Protection Functions?

Does This EV Charger Distribution Board Have Multiple Protection Functions?

US $ 125-216 / Piece FOB
50 Pieces (MOQ)
More
Main Products: EV Charging Station, EV Charger, Portable EV Charger, EV Charging Cable, Wallbox Charger, AC EV Charger, Charging Station, Mobile Portable EV Charger, Electric Car Charger Portable, Electric Vehicle Charger
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Guangzhou FastConcept New Energy Co., Ltd.

Manufacturer/Factory & Trading Company

Guangdong, China Since 2025
Chat Now Send Inquiry
Intelligent Fault Diagnosis Substation with Automatic Alarm Function for Power Grid Safety Protection

Intelligent Fault Diagnosis Substation with Automatic Alarm Function for Power Grid Safety Protection

US $ 5,000-50,000 / Piece FOB
1 Piece (MOQ)
More
Certification : ISO9001-2000, CCC
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Audited Supplier
Xuzhou Jinteng Intelligent Electrical Technology Co., Ltd.

Jiangsu, China Since 2025
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  • AC-DC-AC Variable-Frequency Drive
  • AC-AC Variable-Frequency Drive

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  • Voltage
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  • Current Variable-Frequency Drive

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  • Vector Control Transducer
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