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Relay Protection

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Lrd13 New Model Thermal Overload Relay with Overload Protection

Lrd13 New Model Thermal Overload Relay with Overload Protection

US $ 2 / Piece FOB
100 Pieces (MOQ)
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Main Products: Contactor, Motor Protector, Telemecanique Contactor, Schneider Contactor, Thermal Overload Relay, MCCB
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Wenzhou Juhong Electric Co., Ltd.

Zhejiang, China Since 2021
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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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Phase : 3
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Yueqing Aukeman Trading Co., Ltd.

Zhejiang, China Since 2010
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Acrel Ard3m Low Voltage Three-Phase Motor Control Protection Relay with Profinet Modbus-TCP

Acrel Ard3m Low Voltage Three-Phase Motor Control Protection Relay with Profinet Modbus-TCP

US $ 215.4-646.2 / Piece FOB
1 Piece (MOQ)
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Main Products: Power Meter, Energy Meter, WiFi Meter, RS485 Modbus-RTU Meter, Multifunction Relay, Motor Protection Relay, Busbar Temperature Sensor, Power Tag, Insulation Monitor, Current Sensor
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Jiangsu Acrel Microgrid Institute Co., Ltd

Jiangsu, China Since 2020
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90A Overvoltage Protection Over Under Voltage Protector Surge Protection Device Power Latch Ovp Relay

90A Overvoltage Protection Over Under Voltage Protector Surge Protection Device Power Latch Ovp Relay

US $ 2-4 / Piece FOB
50 Pieces (MOQ)
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Theory : Electromagnetic Relay
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YUEQING EASTING TRADING CO.,LTD.

Trading Company

Hubei, China Since 2024
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LCD Display Voltage Relay Phase Failure Phase Sequence Protection Relay

LCD Display Voltage Relay Phase Failure Phase Sequence Protection Relay

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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Feeder Protection and Control Ref615/ Small Comprehensive Protection Relay/Hbfaabaandc1bna11g Relay Protection

Feeder Protection and Control Ref615/ Small Comprehensive Protection Relay/Hbfaabaandc1bna11g Relay Protection

US $ 9,998-12,142 / Piece FOB
1 Piece (MOQ)
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Action Principle : Rectifier Type
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Shanghai Zhongcheng Fengyuan Industrial Technology Co., Ltd.

Trading Company

Shanghai, China Since 2024
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Industrial Electric Digital Overcurrent Overvoltage Phase Failure Thermal Overload 3 Phase Motor Protection Relay

Industrial Electric Digital Overcurrent Overvoltage Phase Failure Thermal Overload 3 Phase Motor Protection Relay

US $ 100-180 / Piece FOB
1 Piece (MOQ)
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Main Products: Panel Meter, Energy Meter, Multifunction Power Meter, Protection Relay, Electrical Transducer, Thermostat, Smart Meter, Temperature Sensor, Energy Metering, Low Voltages
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Chongqing Blue Jay Technology Co., Ltd

Chongqing, China Since 2024
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Aoasis Agk-03 380V Relay Phase Loss/Phase Sequence/Phase Failure Protection Relay Voltage Control Relays

Aoasis Agk-03 380V Relay Phase Loss/Phase Sequence/Phase Failure Protection Relay Voltage Control Relays

US $ 4.8-7.5 / Piece FOB
1 Piece (MOQ)
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Size : Miniature
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Aoasis (Hangzhou) International Business Co., Ltd

Trading Company

Zhejiang, China Since 2011
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Lr2-Series Thermal Overload Relay Protection Jr28 Motor Relay for AC Contactor

Lr2-Series Thermal Overload Relay Protection Jr28 Motor Relay for AC Contactor

US $ 1.35 / Piece FOB
100 Pieces (MOQ)
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Main Products: Thermal Overload Relay
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Yueqing Zhenkang Electric Technology Co., Ltd

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2025
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Reliable Voltage Stabilizer Relay for Electric Surge Protection

Reliable Voltage Stabilizer Relay for Electric Surge Protection

US $ 3.3-3.7 / pieces FOB
100 pieces (MOQ)
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Frequency Characteristics : Intermediate Frequency
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Wenzhou Zhongzhe Electric Co., Ltd.

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2025
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AC Digital Cbct Earth Leakage Relay for Earth Leakage Protection

AC Digital Cbct Earth Leakage Relay for Earth Leakage Protection

US $ 180 / Piece FOB
1 Piece (MOQ)
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Main Products: Panel Meter, Energy Meter, Multifunction Power Meter, Protection Relay, Electrical Transducer, Thermostat, Smart Meter, Temperature Sensor, Energy Metering, Low Voltages
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Chongqing Blue Jay Technology Co., Ltd

Chongqing, China Since 2024
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Siyan F4-22 AC Contactor Auxiliary Head Latching Relay Protection Relay

Siyan F4-22 AC Contactor Auxiliary Head Latching Relay Protection Relay

US $ 0.58-0.6 / Piece FOB
10 Pieces (MOQ)
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Type : Electric Parameter Relay
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Zhejiang Siyan Electric Technology Co., Ltd

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2024
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0mron Three-Phase Sequence Protection Relay K8ds-pH1

0mron Three-Phase Sequence Protection Relay K8ds-pH1

US $ 80-100 / Piece FOB
1 Piece (MOQ)
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Main Products: Frequency Inverfter, Varibale Frequency Inerter, VSD, VFD, AC Motor Drives
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Quanzhou Ausenist Technology Co., Ltd

Jiangsu, China Since 2023
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Feeder Protection Ref601 Basic Range Numerical Relay for Distribution Networks

Feeder Protection Ref601 Basic Range Numerical Relay for Distribution Networks

US $ 999 / Piece FOB
1 Piece (MOQ)
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Installation : Fixed
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Victor Electric (Wuhan) Co., Ltd.

Hubei, China Since 2025
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Changeover Switch Adjustable Voltage Protector Chint Surge Suppressor Ksd301 Thermostat Lightning Surge Arrester 3phase Reley Medium Voltage Protection Relay

Changeover Switch Adjustable Voltage Protector Chint Surge Suppressor Ksd301 Thermostat Lightning Surge Arrester 3phase Reley Medium Voltage Protection Relay

US $ 6.2-7.5 / Piece FOB
1 Piece (MOQ)
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Main Products: UPS, Solar Inverter, SPD, UPS Power Supply, Online UPS, Inverter, Surge Protective Device, Surge Protector, Lithium Battery, Lead Acid Battery
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Shenzhen Yunhai Power Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Guangdong, China Since 2025
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HHD11-A B Phase Sequence Protection Relay with Indicator Lights

HHD11-A B Phase Sequence Protection Relay with Indicator Lights

US $ 8.29-13.79 / Piece FOB
100 Pieces (MOQ)
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Certification : CCC
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Xinling Electrical Co., Ltd. China

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2012
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Wholesale Price 3 Phase Voltage Protection Relay Over/Under Voltage Protector Digital Voltage Protection Relay

Wholesale Price 3 Phase Voltage Protection Relay Over/Under Voltage Protector Digital Voltage Protection Relay

100 Pieces (MOQ)
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Main Products: Circuit Breaker, MCB, RCCB RCD, RCBO, MCCB, Solar Inverter, Pure Sine Wave Inverter, Portable Power Station
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Zhejiang C&J Electrical Holding Co., Ltd.

Zhejiang, China Since 2021
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Thermal Protection Overload Relay Overload

Thermal Protection Overload Relay Overload

US $ 4.2-66 / Piece FOB
1,000 Pieces (MOQ)
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Theory : Thermal Relay
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Shanghai DaDa Electric Co., Ltd.

Manufacturer/Factory & Trading Company

Shanghai, China Since 2020
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Motor Protection Relay 24V 380V Jzc4 Series Relay Contactor 220V 10A Safety Relays

Motor Protection Relay 24V 380V Jzc4 Series Relay Contactor 220V 10A Safety Relays

US $ 9.21-11.66 / Piece FOB
10 Pieces (MOQ)
More
Main Products: Pull Cord Switch, Contactor, Timer, Wire Stripping Machine, Photoswitch, Relay, High-Voltage Cabinet Accessories, Connectors
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Zhejiang Weikesen Power Technology Co., Ltd

Zhejiang, China Since 2023
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Overvoltage Relay 12 Volt Motor Protection Relay Nb-5UL

Overvoltage Relay 12 Volt Motor Protection Relay Nb-5UL

US $ 4-6 / Piece FOB
1 Piece (MOQ)
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Mechanism : Mechanical
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Yueqing Woen Electric Co., Ltd

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2016
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Related Videos
  • What is Lrd13 New Model Thermal Overload Relay with Overload Protection
    What is Lrd13 New Model Thermal Overload Relay with Overload Protection
    US $ 2 /Piece
    100 Pieces (MOQ)
    Contact Supplier
  • 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 Acrel Ard3m Low Voltage Three-Phase Motor Control Protection Relay with Profinet Modbus-TCP
    What is Acrel Ard3m Low Voltage Three-Phase Motor Control Protection Relay with Profinet Modbus-TCP
    US $ 215.4-646.2 /Piece
    1 Piece (MOQ)
    Contact Supplier
  • What is 90A Overvoltage Protection Over Under Voltage Protector Surge Protection Device Power Latch Ovp Relay
    What is 90A Overvoltage Protection Over Under Voltage Protector Surge Protection Device Power Latch Ovp Relay
    US $ 2-4 /Piece
    50 Pieces (MOQ)
    Contact Supplier
Rkm2co524L Industrial Control Multifunctional Overcurrent Protection Relay General Purpose Ralay

Rkm2co524L Industrial Control Multifunctional Overcurrent Protection Relay General Purpose Ralay

US $ 1-10 / Piece FOB
1 Piece (MOQ)
More
Main Products: Ethernet Network Transformer, High Frequency Transformer, SMD Common Mode Choke, Ee13 High Frequency Transformer, Rod Power Choke Inductor, Toroidal Choke Coil Power Inductor, LAN Magnetic Transformer Modules, Audio & Video Connector, Optical Module, Chip
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Dechuang Industry Co., Ltd.

Shaanxi, China Since 2021
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Chint Three-Phase Phase Xj3-D Xj3-G 380V Break and Phase Sequence Protection Relay

Chint Three-Phase Phase Xj3-D Xj3-G 380V Break and Phase Sequence Protection Relay

US $ 8.8-9 / Piece FOB
10 Pieces (MOQ)
More
Operation : Manual Type
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Anshan Fenghui Continuous Caster Manufacture Co., Ltd.

Liaoning, China Since 2022
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Gas Relay Buchholz Relay Oil-Immersed Fully Sealed Transformer Protection

Gas Relay Buchholz Relay Oil-Immersed Fully Sealed Transformer Protection

US $ 32-80 / Piece FOB
1 Piece (MOQ)
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Main Products: Power Transformers Oil Immersed Transformer, Distribution Transformer Dry Type Transformer, High Voltage Switchgear, Low Voltage Switchgear Equipment, Vacuum Circuit Breaker, Sf6 Gas Circuit Breaker, Air Core Series Reactor, Disconnector, Surge Arrester, Grounding Resistor Cabinet
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Henan Energy Electric Equipment Co.,Ltd

Henan, China Since 2024
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About Relay Protection FAQ

  • QWhat is the function of a voltage regulator in electrical systems?

    Discover the perfect addition to your Voltage Regulator with our Relay Protection.A voltage regulator is essential in stabilizing and maintaining the voltage levels in electrical circuits. It ensures consistent power supply to devices, preventing damage and malfunctions due to voltage fluctuations.

  • QWhat are the advantages of collaborating with manufacturers for Voltage Regulators?

    Discover the perfect addition to your Voltage Regulator with our Relay Protection.Working with manufacturers enables you to customize Voltage Regulators according to specific requirements. Manufacturing partners offer consistent product quality, timely delivery, and the flexibility to adapt to evolving market demands.

  • QWhere can I find reliable suppliers for Voltage Regulators in China?

    The Relay Protection is a standout piece in our Voltage Regulator collection.Looking for high-quality Voltage Regulator suppliers in China? Explore online platforms, industry exhibitions, and verified directories. It's crucial to assess supplier credentials and request samples for testing the product quality before making bulk purchases.

Customized Silver Contact Point Power Electrical Over Current Protection Thermal Overload Relay

Customized Silver Contact Point Power Electrical Over Current Protection Thermal Overload Relay

US $ 2 / Piece FOB
100 Pieces (MOQ)
More
Theory : Thermal Relay
Contact Supplier
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Wenzhou Juhong Electric Co., Ltd.

Zhejiang, China Since 2021
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Motor Protection and Control Rem611 Numerical Relay

Motor Protection and Control Rem611 Numerical Relay

US $ 999 / Piece FOB
1 Piece (MOQ)
More
Main Products: Vacuum Circuit Breaker, Load Break Switch, Ring Main Unit, Air Insulated Switchgear, Current Transformer, Voltage Transformer, Auto Recloser, Disconnect Switch, Fuse Cutout, Compact Substation
Contact Supplier
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Victor Electric (Wuhan) Co., Ltd.

Hubei, China Since 2025
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HHD5-C E Series C-lin Phase Failure and Phase Sequence Protection Relay

HHD5-C E Series C-lin Phase Failure and Phase Sequence Protection Relay

US $ 5.57-10.29 / Piece FOB
50 Pieces (MOQ)
More
Mathematical Model : Linear
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Xinling Electrical Co., Ltd. China

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2012
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Surge Protection Device Voltage Protector Transfer Switch Ksd301 Circuit Breaker MCCB Ksd301c Ki 31 Thermostat Current Relay for Switchgear Afdd Andeli Rsd DC

Surge Protection Device Voltage Protector Transfer Switch Ksd301 Circuit Breaker MCCB Ksd301c Ki 31 Thermostat Current Relay for Switchgear Afdd Andeli Rsd DC

US $ 6.2-7.5 / Piece FOB
1 Piece (MOQ)
More
Main Products: UPS, Solar Inverter, SPD, UPS Power Supply, Online UPS, Inverter, Surge Protective Device, Surge Protector, Lithium Battery, Lead Acid Battery
Contact Supplier
Audited Supplier
Shenzhen Yunhai Power Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Guangdong, China Since 2025
Chat Now Send Inquiry
High Quality DIN Rail Voltage Protection Relay Phase Sequence and Failure Protection Relay Unbanlance Protection Relay

High Quality DIN Rail Voltage Protection Relay Phase Sequence and Failure Protection Relay Unbanlance Protection Relay

100 Pieces (MOQ)
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Arc-extinguishing Medium : Air
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Zhejiang C&J Electrical Holding Co., Ltd.

Zhejiang, China Since 2021
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Thermal Protection Overload Relay Safety CB CE

Thermal Protection Overload Relay Safety CB CE

US $ 4.2-66 / Piece FOB
1,000 Pieces (MOQ)
More
Main Products: Circuit Breaker, Molded Case Circuit Breaker, Miniature Circuit Breaker, Contactor, Distribution Box, Electrical Accessory, MCCB, MCB, RCBO, RCCB
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Audited Supplier
Shanghai DaDa Electric Co., Ltd.

Manufacturer/Factory & Trading Company

Shanghai, China Since 2020
Chat Now Send Inquiry
Xj3 Phase Failure and Phase Sequence Protection Relay Xj3-D AC380V

Xj3 Phase Failure and Phase Sequence Protection Relay Xj3-D AC380V

US $ 7.98-13.58 / Piece FOB
10 Pieces (MOQ)
More
Load : Medium Power Relay
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Anshan Fenghui Continuous Caster Manufacture Co., Ltd.

Liaoning, China Since 2022
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Gas Relay Qj50/80 Electrical Protection for Oil Immersed Transformer

Gas Relay Qj50/80 Electrical Protection for Oil Immersed Transformer

US $ 30-80 / Piece FOB
1 Piece (MOQ)
More
Main Products: Power Transformers Oil Immersed Transformer, Distribution Transformer Dry Type Transformer, High Voltage Switchgear, Low Voltage Switchgear Equipment, Vacuum Circuit Breaker, Sf6 Gas Circuit Breaker, Air Core Series Reactor, Disconnector, Surge Arrester, Grounding Resistor Cabinet
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Henan Energy Electric Equipment Co.,Ltd

Henan, China Since 2024
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Protection Cnjuho Electromagnetic Electronic Contactor Switch Over Current Power Thermal Overload Relay ODM

Protection Cnjuho Electromagnetic Electronic Contactor Switch Over Current Power Thermal Overload Relay ODM

US $ 2 / Piece FOB
100 Pieces (MOQ)
More
Phase : 1
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Wenzhou Juhong Electric Co., Ltd.

Zhejiang, China Since 2021
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EA TON ARC Flash Relay Protection

EA TON ARC Flash Relay Protection

US $ 19 / Piece FOB
1 Piece (MOQ)
More
Main Products: Vacuum Circuit Breaker, Load Break Switch, Ring Main Unit, Air Insulated Switchgear, Current Transformer, Voltage Transformer, Auto Recloser, Disconnect Switch, Fuse Cutout, Compact Substation
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Victor Electric (Wuhan) Co., Ltd.

Hubei, China Since 2025
Chat Now Send Inquiry
HHD5-A C-lin 3A AC250V Phase Sequence Protection Relay

HHD5-A C-lin 3A AC250V Phase Sequence Protection Relay

US $ 5.74-9.57 / Piece FOB
100 Pieces (MOQ)
More
Customized : Customized
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Xinling Electrical Co., Ltd. China

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2012
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Surge Protection Device Protector WiFi Ksd301 Ksd301 Thermostat Energy Protection Relay DC Surge Protection

Surge Protection Device Protector WiFi Ksd301 Ksd301 Thermostat Energy Protection Relay DC Surge Protection

US $ 6.2-7.5 / Piece FOB
1 Piece (MOQ)
More
Main Products: UPS, Solar Inverter, SPD, UPS Power Supply, Online UPS, Inverter, Surge Protective Device, Surge Protector, Lithium Battery, Lead Acid Battery
Contact Supplier
Audited Supplier
Shenzhen Yunhai Power Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Guangdong, China Since 2025
Chat Now Send Inquiry
China Supplier Adjustable AC/DC Over/Under Voltage Protection Relays Voltage Monitoring Relay

China Supplier Adjustable AC/DC Over/Under Voltage Protection Relays Voltage Monitoring Relay

100 Pieces (MOQ)
More
Installation : Fixed
Contact Supplier
Audited Supplier
Zhejiang C&J Electrical Holding Co., Ltd.

Zhejiang, China Since 2021
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