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Microcomputer Protection Relay

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Advanced Microcomputer Power Relay for Motor Control and Protection

Advanced Microcomputer Power Relay for Motor Control and Protection

US $ 1,500-2,000 / unit FOB
1 unit (MOQ)
More
Main Products: Power Meter, Electric Meter, Energy Meter, Panel Meter, Power Control System Scada, Single Phase Multifunction Meter, Smart Meter, Protection Relay, Voltage Relay, Control Relay
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Audited Supplier
Beijing Hezhong Huineng Electric Technology Co., Ltd

Manufacturer/Factory & Trading Company

Beijing, China Since 2025
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Microcomputer Integrated Protection Device Relay with Switch Cabinet

Microcomputer Integrated Protection Device Relay with Switch Cabinet

US $ 155-445 / Piece FOB
5 Pieces (MOQ)
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Display Digits : 8 digits
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Audited Supplier
Wenzhou Qiupu Electric Power Co., Ltd.

Trading Company

Zhejiang, China Since 2024
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Anti-Islanding Microcomputer Protection Relay for High Voltage Distribution

Anti-Islanding Microcomputer Protection Relay for High Voltage Distribution

US $ 220-240 / Piece FOB
20 Pieces (MOQ)
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Main Products: Box Substation, Transformer, Power Cabinet, Switchgear, Electrical Component, High & Low Voltage Cabinet, Middle Mounted Switchgear, PV Grid Connected Cabinet, Control Cabinet, Distribution Box
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Audited Supplier
Ningbo Henghui Electric Co., Ltd.

Zhejiang, China Since 2026
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Customizable Microcomputer Power Relay Control and Protection Device

Customizable Microcomputer Power Relay Control and Protection Device

2 Pieces (MOQ)
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Theory : Electronic Meter
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Audited Supplier
Zhejiang Leidun Electric Co., Ltd

Zhejiang, China Since 2025
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Universal Power Relay for Microcomputer Protection and Control

Universal Power Relay for Microcomputer Protection and Control

US $ 1,450-1,500 / Piece FOB
2 Pieces (MOQ)
More
Main Products: Power Meter, Electric Meter, Energy Meter, Panel Meter, Power Control System Scada, Single Phase Multifunction Meter, Smart Meter, Protection Relay, Voltage Relay, Control Relay
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Audited Supplier
Beijing Hezhong Huineng Electric Technology Co., Ltd

Manufacturer/Factory & Trading Company

Beijing, China Since 2025
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Anti-Island Microcomputer Protection Relay for Photovoltaic Grid-Connected Distribution Cabinets

Anti-Island Microcomputer Protection Relay for Photovoltaic Grid-Connected Distribution Cabinets

US $ 220-240 / Piece FOB
20 Pieces (MOQ)
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Condition : New
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Audited Supplier
Ningbo Henghui Electric Co., Ltd.

Zhejiang, China Since 2026
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Advanced Microcomputer Protection Device for Reliable Power Relay

Advanced Microcomputer Protection Device for Reliable Power Relay

US $ 1,500-2,000 / unit FOB
1 unit (MOQ)
More
Main Products: Power Meter, Electric Meter, Energy Meter, Panel Meter, Power Control System Scada, Single Phase Multifunction Meter, Smart Meter, Protection Relay, Voltage Relay, Control Relay
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Audited Supplier
Beijing Hezhong Huineng Electric Technology Co., Ltd

Manufacturer/Factory & Trading Company

Beijing, China Since 2025
Chat Now Send Inquiry
High Power Microcomputer Protection Control Relay1a High Temperature Resistance Device 70c Sealed Contact Medium Voltage

High Power Microcomputer Protection Control Relay1a High Temperature Resistance Device 70c Sealed Contact Medium Voltage

US $ 500 / Set FOB
1 Set (MOQ)
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Audited Supplier
ZHUHAI STROM ELECTRIC CO., LTD.

Manufacturer/Factory & Trading Company

Guangdong, China Since 2026
Chat Now Send Inquiry
New Popular Microcomputer Protection Device P3u30 Universal Power Relay for Motor Protection and Control, 16di/8do

New Popular Microcomputer Protection Device P3u30 Universal Power Relay for Motor Protection and Control, 16di/8do

US $ 1,500-2,000 / unit FOB
1 unit (MOQ)
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Main Products: Power Meter, Electric Meter, Energy Meter, Panel Meter, Power Control System Scada, Single Phase Multifunction Meter, Smart Meter, Protection Relay, Voltage Relay, Control Relay
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Audited Supplier
Beijing Hezhong Huineng Electric Technology Co., Ltd

Manufacturer/Factory & Trading Company

Beijing, China Since 2025
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Precision Microcomputer Relay for Superior Protection in Switchgear

Precision Microcomputer Relay for Superior Protection in Switchgear

2 Pieces (MOQ)
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Power Meter Connection : Terminal
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Audited Supplier
Zhejiang Leidun Electric Co., Ltd

Zhejiang, China Since 2025
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Relay Protection Tester 3 Phase Relay Protection Testing Equipment Microcomputer

Relay Protection Tester 3 Phase Relay Protection Testing Equipment Microcomputer

US $ 3,000-5,000 / Set FOB
1 Set (MOQ)
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Main Products: Multifunctional VLF Hi-pot Tester, HV Pulse Generator, Cable Outer Sheath Fault Locator, Cable Fault Pin pointer, Cable Route Tracer, Cable Fault Pre-locator, Cable Sheath Fault Locator
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Audited Supplier
Xian XZH Electric Power Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Shaanxi, China Since 2021
Chat Now Send Inquiry
Advanced Safety Relay for Microcomputer Protection and Security

Advanced Safety Relay for Microcomputer Protection and Security

US $ 1,500-2,000 / unit FOB
1 unit (MOQ)
More
Function : Protection, Monitoring, Measurement
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Audited Supplier
Beijing Hezhong Huineng Electric Technology Co., Ltd

Manufacturer/Factory & Trading Company

Beijing, China Since 2025
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Advanced Microcomputer Protection Relay for Safe Transport Solutions

Advanced Microcomputer Protection Relay for Safe Transport Solutions

US $ 1,500-2,000 / unit FOB
1 unit (MOQ)
More
Main Products: Power Meter, Electric Meter, Energy Meter, Panel Meter, Power Control System Scada, Single Phase Multifunction Meter, Smart Meter, Protection Relay, Voltage Relay, Control Relay
Send Inquiry
Audited Supplier
Beijing Hezhong Huineng Electric Technology Co., Ltd

Manufacturer/Factory & Trading Company

Beijing, China Since 2025
Chat Now Send Inquiry
Strom St280g-T Microcomputer Protection Relay Medium/High Voltage for Power Distribution Industrial Mv&Hvswitchgear

Strom St280g-T Microcomputer Protection Relay Medium/High Voltage for Power Distribution Industrial Mv&Hvswitchgear

US $ 1,000 / Set FOB
1 Set (MOQ)
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Installation : Fixed
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Audited Supplier
ZHUHAI STROM ELECTRIC CO., LTD.

Manufacturer/Factory & Trading Company

Guangdong, China Since 2026
Chat Now Send Inquiry
Anly Apr-4s Three-Phase Phase Sequence Protection Relay, Phase & Motor Protection Relay

Anly Apr-4s Three-Phase Phase Sequence Protection Relay, Phase & Motor Protection Relay

US $ 10-20 / Piece FOB
1 Piece (MOQ)
More
Main Products: Elevator Spare Parts, Elevator Inverter, Elevator PCB, Elevator Button, Elevator Door Motor, Escalator Handrail, Escalator Step Chain, Elevator Door Hanging Roller, Elevator Service Tool, Escalator Step Roller
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Audited Supplier
Shaanxi Sdyss Elevator Parts Co., Ltd

Shaanxi, China Since 2025
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Reverse Power Protection Relay Anti Islanding Grid Tie Protection for 400V 10kv PV Wind Systems Multi Branch Control RS485 Rpp

Reverse Power Protection Relay Anti Islanding Grid Tie Protection for 400V 10kv PV Wind Systems Multi Branch Control RS485 Rpp

US $ 800-1,990 / Piece FOB
20 Pieces (MOQ)
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Customized : Customized
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Audited Supplier
Ningbo Henghui Electric Co., Ltd.

Zhejiang, China Since 2026
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High Performance Microcomputer Relay for Site Security Solutions

High Performance Microcomputer Relay for Site Security Solutions

US $ 1,500-2,000 / unit FOB
1 unit (MOQ)
More
Main Products: Power Meter, Electric Meter, Energy Meter, Panel Meter, Power Control System Scada, Single Phase Multifunction Meter, Smart Meter, Protection Relay, Voltage Relay, Control Relay
Send Inquiry
Audited Supplier
Beijing Hezhong Huineng Electric Technology Co., Ltd

Manufacturer/Factory & Trading Company

Beijing, China Since 2025
Chat Now Send Inquiry
Microcomputer Protection Testing Zx800d Integrated Electrical Motor Differential Protection Relay Electromagnetic with RS485

Microcomputer Protection Testing Zx800d Integrated Electrical Motor Differential Protection Relay Electromagnetic with RS485

US $ 100-200 / Piece FOB
20 Pieces (MOQ)
More
Signal : Discrete
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Audited Supplier
Ningbo Henghui Electric Co., Ltd.

Zhejiang, China Since 2026
Chat Now Send Inquiry
Microcomputer Protection Testing Ndw300 Integrated Electrical Motor Differential Protection Relay Electromagnetic with RS485

Microcomputer Protection Testing Ndw300 Integrated Electrical Motor Differential Protection Relay Electromagnetic with RS485

US $ 100-200 / Piece FOB
20 Pieces (MOQ)
More
Main Products: Box Substation, Transformer, Power Cabinet, Switchgear, Electrical Component, High & Low Voltage Cabinet, Middle Mounted Switchgear, PV Grid Connected Cabinet, Control Cabinet, Distribution Box
Send Inquiry
Audited Supplier
Ningbo Henghui Electric Co., Ltd.

Zhejiang, China Since 2026
Chat Now Send Inquiry
Lxt-5011 Microcomputer Busbar Protection Relay

Lxt-5011 Microcomputer Busbar Protection Relay

US $ 6,000 / Piece FOB
1 Piece (MOQ)
More
Certification : CCC, ISO9001
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Audited Supplier
Wenzhou Longqi Import and Export Co., Ltd.

Zhejiang, China Since 2026
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Related Videos
  • What is Advanced Microcomputer Power Relay for Motor Control and Protection
    What is Advanced Microcomputer Power Relay for Motor Control and Protection
    US $ 1,500-2,000 /unit
    1 unit (MOQ)
    Send Inquiry
  • What is Microcomputer Integrated Protection Device Relay with Switch Cabinet
    What is Microcomputer Integrated Protection Device Relay with Switch Cabinet
    US $ 155-445 /Piece
    5 Pieces (MOQ)
    Send Inquiry
  • What is Universal Power Relay for Microcomputer Protection and Control
    What is Universal Power Relay for Microcomputer Protection and Control
    US $ 1,450-1,500 /Piece
    2 Pieces (MOQ)
    Send Inquiry
  • What is Advanced Microcomputer Protection Device for Reliable Power Relay
    What is Advanced Microcomputer Protection Device for Reliable Power Relay
    US $ 1,500-2,000 /unit
    1 unit (MOQ)
    Send Inquiry
China Factory Price Microcomputer Digital Transformer Protection Relay Tester 3 Phase

China Factory Price Microcomputer Digital Transformer Protection Relay Tester 3 Phase

US $ 3,000-5,000 / Set FOB
1 Set (MOQ)
More
Main Products: Multifunctional VLF Hi-pot Tester, HV Pulse Generator, Cable Outer Sheath Fault Locator, Cable Fault Pin pointer, Cable Route Tracer, Cable Fault Pre-locator, Cable Sheath Fault Locator
Send Inquiry
Audited Supplier
Xian XZH Electric Power Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Shaanxi, China Since 2021
Chat Now Send Inquiry
Test-330 Three Phase Relay Protection Microcomputer Test System

Test-330 Three Phase Relay Protection Microcomputer Test System

US $ 3,000-6,500 / Piece FOB
1 Piece (MOQ)
More
Type : Electric Parameter Relay
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Audited Supplier
Beijing GFUVE Electronics Co., Ltd.

Beijing, China Since 2013
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Microcomputer Numerical Composite Digital Motor Protection Relay

Microcomputer Numerical Composite Digital Motor Protection Relay

US $ 800-2,000 / Piece FOB
1 Piece (MOQ)
Send Inquiry
Changsha Guotong Electrical Technology Co., Ltd.

Hunan, China
Chat Now Send Inquiry

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About Microcomputer Protection Relay FAQ

  • QWhat are current trends in Fatigue Testing Machine technology for instrument & meter applications?

    The Microcomputer Protection Relay is a standout piece in our Test Machine collection.Recent trends for Fatigue Testing Machine instruments include digital interfacing, integrated data logging, and custom Fatigue Testing Machine automation. Stay ahead by sourcing from top distributor networks and wholesale suppliers offering guide documentation and factory price transparency. Request a demo to see where you can save or customize.

  • QHow do I get the best price for Fatigue Testing Machines from factories or OEM suppliers?

    Upgrade your Test Machine with the elegant and durable Microcomputer Protection Relay.If you’re sourcing Fatigue Testing Machines, ask for wholesale price lists directly from Fatigue Testing Machine factory or OEM Fatigue Testing Machine distributor. Many offer custom features for bulk inquiries. Review their market trends and compare discounts before you buy. Contact us now to secure the best offer and ensure rapid delivery.

  • QCan I customize Fatigue Testing Machines to fit unique testing parameters or OEM specs?

    The Microcomputer Protection Relay is included in our comprehensive Test Machine range.Absolutely! Many Fatigue Testing Machine manufacturers offer full OEM custom Fatigue Testing Machine assembly and specialized instrument integration with factory price savings. The guide to customization is straightforward: specify parameters, request a factory quote, and compare distributor timelines. Get started today—submit your specs for a tailored solution.

110V DC Trip Microcomputer Protection Relays for Substation

110V DC Trip Microcomputer Protection Relays for Substation

US $ 900 / PC FOB
1 PC (MOQ)
More
Load : High Power Relay
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Changsha Guotong Electrical Technology Co., Ltd.

Hunan, China
Chat Now Send Inquiry
Integrated Electrical Transformer St287fd Microcomputer-Protected Differential Relay Power Distributionrs485aluminum

Integrated Electrical Transformer St287fd Microcomputer-Protected Differential Relay Power Distributionrs485aluminum

US $ 800-880 / Set FOB
1 Set (MOQ)
More
Main Products: Secondary Devices For Substations, Power Plants, Transformers, Including Protection Relay, Power Meter, Online Monitoring And Measurement, Controlling Devices
Send Inquiry
Audited Supplier
ZHUHAI STROM ELECTRIC CO., LTD.

Manufacturer/Factory & Trading Company

Guangdong, China Since 2026
Chat Now Send Inquiry
Factory Made Protective Relay Transformer Generator Capacitor Feeder Differential Protection Relay Modbus IEC61850 Suport

Factory Made Protective Relay Transformer Generator Capacitor Feeder Differential Protection Relay Modbus IEC61850 Suport

US $ 880 / Set FOB
5 Sets (MOQ)
Send Inquiry
Audited Supplier
ZHUHAI STROM ELECTRIC CO., LTD.

Manufacturer/Factory & Trading Company

Guangdong, China Since 2026
Chat Now Send Inquiry
Strom Factory 110kv Substation Power Distribution Scada Industrial Relay High Voltage Transformers Generator Motor

Strom Factory 110kv Substation Power Distribution Scada Industrial Relay High Voltage Transformers Generator Motor

US $ 680-780 / Set FOB
1 Set (MOQ)
More
Main Products: Secondary Devices For Substations, Power Plants, Transformers, Including Protection Relay, Power Meter, Online Monitoring And Measurement, Controlling Devices
Send Inquiry
Audited Supplier
ZHUHAI STROM ELECTRIC CO., LTD.

Manufacturer/Factory & Trading Company

Guangdong, China Since 2026
Chat Now Send Inquiry
China OEM Manufacturer Protection Relay 10-110kv Harmonic Blocking Transformer Protection Relay

China OEM Manufacturer Protection Relay 10-110kv Harmonic Blocking Transformer Protection Relay

US $ 299-399 / Set FOB
1 Set (MOQ)
Send Inquiry
Audited Supplier
ZHUHAI STROM ELECTRIC CO., LTD.

Manufacturer/Factory & Trading Company

Guangdong, China Since 2026
Chat Now Send Inquiry
Microcomputer Line Differential Protection Relay

Microcomputer Line Differential Protection Relay

US $ 800-2,000 / Piece FOB
1 Piece (MOQ)
Send Inquiry
Changsha Guotong Electrical Technology Co., Ltd.

Hunan, China
Chat Now Send Inquiry
Advanced P3u30 Relay for Motor Control and Protection

Advanced P3u30 Relay for Motor Control and Protection

US $ 1,500-2,000 / unit FOB
1 unit (MOQ)
More
Condition : New
Send Inquiry
Audited Supplier
Beijing Hezhong Huineng Electric Technology Co., Ltd

Manufacturer/Factory & Trading Company

Beijing, China Since 2025
Chat Now Send Inquiry
Universal Power Relay for Motor Control and Protection

Universal Power Relay for Motor Control and Protection

US $ 1,500-2,000 / unit FOB
1 unit (MOQ)
More
Main Products: Power Meter, Electric Meter, Energy Meter, Panel Meter, Power Control System Scada, Single Phase Multifunction Meter, Smart Meter, Protection Relay, Voltage Relay, Control Relay
Send Inquiry
Audited Supplier
Beijing Hezhong Huineng Electric Technology Co., Ltd

Manufacturer/Factory & Trading Company

Beijing, China Since 2025
Chat Now Send Inquiry
Acrel Ard2f-100/C+90L Digital Motor Protect Relay Adopt Single Chip Microcomputer Technology, Strong Anti-Interference Ability

Acrel Ard2f-100/C+90L Digital Motor Protect Relay Adopt Single Chip Microcomputer Technology, Strong Anti-Interference Ability

US $ 105.7 / Piece FOB
1 Piece (MOQ)
Send Inquiry
Audited Supplier
ACREL CO., LTD.

Manufacturer/Factory & Trading Company

Shanghai, China Since 2019
Chat Now Send Inquiry
Advanced 3-Phase Relay Test Equipment for Electrical Protection

Advanced 3-Phase Relay Test Equipment for Electrical Protection

1 Piece (MOQ)
More
Main Products: CT PT Analyzer, Relay Protection Test System, Substation DC System Tester, Battery Test System
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Audited Supplier
Haomai Electric Power Automation Co., Ltd.

Manufacturer/Factory & Trading Company

Hubei, China Since 2017
Chat Now Send Inquiry
2023 New Three Phase Portable Current Voltage Relay Protection Tester Relay

2023 New Three Phase Portable Current Voltage Relay Protection Tester Relay

US $ 3,999-4,500 / Set FOB
1 Set (MOQ)
More
Theory : Electromagnetic Relay
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Audited Supplier
Weshine Electric Manufacturing Co., Ltd.

Manufacturer/Factory & Trading Company

Hebei, China Since 2022
Chat Now Send Inquiry
2023 New 3 Phase Microcomputer Voltage Current Secondary Injection Relay

2023 New 3 Phase Microcomputer Voltage Current Secondary Injection Relay

US $ 3,999-4,500 / Set FOB
1 Set (MOQ)
More
Main Products: Transformer Tester, Insulating Oil Tester, Hipot Tester, Insulating Tester, Circuit Breaker Tester, Relay and Protection Tester, Sf6 Gas Tester, Partial Discharge Tester, Battery Tester, Power Quality
Send Inquiry
Audited Supplier
Weshine Electric Manufacturing Co., Ltd.

Manufacturer/Factory & Trading Company

Hebei, China Since 2022
Chat Now Send Inquiry
2023 Year New Model Current Voltage Relay Protection Secondary Injection

2023 Year New Model Current Voltage Relay Protection Secondary Injection

US $ 3,999-4,500 / Set FOB
1 Set (MOQ)
More
Load : Medium Power Relay
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Audited Supplier
Weshine Electric Manufacturing Co., Ltd.

Manufacturer/Factory & Trading Company

Hebei, China Since 2022
Chat Now Send Inquiry
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