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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)
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)
More
Certification : CCC, ISO: 9001
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Audited Supplier
Ningbo Henghui Electric Co., Ltd.

Zhejiang, China Since 2026
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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)
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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
Chat Now Send Inquiry
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)
More
Certification : CCC, ISO: 9001
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Audited Supplier
Ningbo Henghui Electric Co., Ltd.

Zhejiang, China Since 2026
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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
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
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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)
More
Main Products: Secondary Devices For Substations, Power Plants, Transformers, Including Protection Relay, Power Meter, Online Monitoring And Measurement, Controlling Devices
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Audited Supplier
ZHUHAI STROM ELECTRIC CO., LTD.

Manufacturer/Factory & Trading Company

Guangdong, China Since 2026
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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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Wenzhou Qiupu Electric Power Co., Ltd.

Trading Company

Zhejiang, China Since 2024
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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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Main Products: Automatic Transfer Switch, Surge Protector, Distribution Box, EV Charger, Circuit Breaker, Electric Meter, Junction Box
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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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Audited Supplier
Xian XZH Electric Power Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Shaanxi, China Since 2021
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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)
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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
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)
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Protective Characteristics : Enclosed Relay
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Audited Supplier
Beijing GFUVE Electronics Co., Ltd.

Beijing, China Since 2013
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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
Send Inquiry
Audited Supplier
Beijing Hezhong Huineng Electric Technology Co., Ltd

Manufacturer/Factory & Trading Company

Beijing, China Since 2025
Chat Now Send Inquiry
Customizable Microcomputer Power Relay Control and Protection Device

Customizable Microcomputer Power Relay Control and Protection Device

2 Pieces (MOQ)
More
Usage : Multi-Functional Energy Meter
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Audited Supplier
Zhejiang Leidun Electric Co., Ltd

Zhejiang, China Since 2025
Chat Now Send Inquiry
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
Switchgear Intelligent Protection Relay Transformer Protection Relay

Switchgear Intelligent Protection Relay Transformer Protection Relay

US $ 100-200 / Piece FOB
20 Pieces (MOQ)
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Function : Monitoring, Measurement
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Audited Supplier
Ningbo Henghui Electric Co., Ltd.

Zhejiang, China Since 2026
Chat Now Send Inquiry
New Energy System Grid Anti-Island Protection Relay with Reverse Power Protection

New Energy System Grid Anti-Island Protection Relay with Reverse Power Protection

US $ 220-240 / 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
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Audited Supplier
Ningbo Henghui Electric Co., Ltd.

Zhejiang, 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
Suitable for : Elevator, Funicular Car
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Audited Supplier
Shaanxi Sdyss Elevator Parts Co., Ltd

Shaanxi, China Since 2025
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Switchgear Integrated Intelligent Protection Relay Transformer Protection Relay

Switchgear Integrated Intelligent Protection Relay Transformer Protection Relay

US $ 88-199 / 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
Integrated Protection Relay Transformer Protection Relay

Integrated Protection Relay Transformer Protection Relay

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

Zhejiang, China Since 2026
Chat Now Send Inquiry
Related Videos
  • What is New Popular Microcomputer Protection Device P3u30 Universal Power Relay for Motor Protection and Control, 16di/8do
    What is New Popular Microcomputer Protection Device P3u30 Universal Power Relay for Motor Protection and Control, 16di/8do
    US $ 1,500-2,000 /unit
    1 unit (MOQ)
    Send Inquiry
  • What is Advanced Microcomputer Protection Relay for Safe Transport Solutions
    What is Advanced Microcomputer Protection Relay for Safe Transport Solutions
    US $ 1,500-2,000 /unit
    1 unit (MOQ)
    Send Inquiry
  • What is Anti-Islanding Microcomputer Protection Relay for High Voltage Distribution
    What is Anti-Islanding Microcomputer Protection Relay for High Voltage Distribution
    US $ 220-240 /Piece
    20 Pieces (MOQ)
    Send Inquiry
  • What is Advanced Safety Relay for Microcomputer Protection and Security
    What is Advanced Safety Relay for Microcomputer Protection and Security
    US $ 1,500-2,000 /unit
    1 unit (MOQ)
    Send Inquiry
Integrated Electrical Digital Motor Differential Protection Relay

Integrated Electrical Digital Motor Differential Protection Relay

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
Anti-Island Protection Relay for Home Solar Power 10 Kilowatt

Anti-Island Protection Relay for Home Solar Power 10 Kilowatt

US $ 220-240 / Piece FOB
20 Pieces (MOQ)
More
Function : Monitoring, Measurement
Send Inquiry
Audited Supplier
Ningbo Henghui Electric Co., Ltd.

Zhejiang, China Since 2026
Chat Now Send Inquiry
PV Grid-Connection Anti-Island Protection Relay with Reverse Power Protection

PV Grid-Connection Anti-Island Protection Relay with Reverse Power Protection

US $ 220-240 / 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

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About Microcomputer Protection Relay FAQ

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

    The Microcomputer Protection Relay is a standout piece in our Test Machine collection.If you’re sourcing Bend Testing Machines, ask for wholesale price lists directly from Bend Testing Machine factory or OEM Bend 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 Bend Testing Machines to fit unique testing parameters or OEM specs?

    Our Microcomputer Protection Relay offers exceptional quality within the Test Machine category.Absolutely! Many Bend Testing Machine manufacturers offer full OEM custom Bend 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.

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

    Discover the perfect addition to your Test Machine with our Microcomputer Protection Relay.Recent trends for Bend Testing Machine instruments include digital interfacing, integrated data logging, and custom Bend 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.

Integrated Electrical Equipment Differential Protection Relay

Integrated Electrical Equipment Differential Protection Relay

US $ 100-200 / Piece FOB
20 Pieces (MOQ)
More
Certification : CCC, ISO: 9001
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Audited Supplier
Ningbo Henghui Electric Co., Ltd.

Zhejiang, China Since 2026
Chat Now Send Inquiry
Zx800GS Fault Disconnection Device Monitor and Protection Microcomputer Relay

Zx800GS Fault Disconnection Device Monitor and Protection Microcomputer Relay

US $ 88-199 / 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
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
Certification : CCC, ISO: 9001
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
Main Products: Indoor and Outdoor High-Voltage Switch, Cable Junction Box, High and Low Voltage Switchgear, Box-Type Substation, Transformer, High and Low Voltage Complete Accessories, Inflatable Cabinet, Control and Protection Switch, Solid Cabinet, Circuit Breaker
Send Inquiry
Audited Supplier
Wenzhou Longqi Import and Export Co., Ltd.

Zhejiang, China Since 2026
Chat Now Send Inquiry
Microcomputer Protection Zx800d Integrated Electrical Motor Protection Relay Electromagnetic with RS485

Microcomputer Protection Zx800d Integrated Electrical Motor Protection Relay Electromagnetic with RS485

US $ 100-200 / Piece FOB
20 Pieces (MOQ)
More
Certification : CCC, ISO: 9001
Send Inquiry
Audited Supplier
Ningbo Henghui Electric Co., Ltd.

Zhejiang, China Since 2026
Chat Now 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
Earth Leakage Current Protection Relay Fault Detection Device

Earth Leakage Current Protection Relay Fault Detection Device

US $ 88-199 / 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 Line Differential Protection Relay

Microcomputer Line Differential Protection Relay

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

Hunan, China
Chat Now Send Inquiry
110V DC Trip Microcomputer Protection Relays for Substation

110V DC Trip Microcomputer Protection Relays for Substation

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

Hunan, China
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)
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
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)
Send Inquiry
Audited Supplier
ZHUHAI STROM ELECTRIC CO., LTD.

Manufacturer/Factory & Trading Company

Guangdong, China Since 2026
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
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
Am6 Intelligent Substation Protection Relay for Power Distribution System

Am6 Intelligent Substation Protection Relay for Power Distribution System

US $ 1,235-1,235.5 / Piece FOB
1 Piece (MOQ)
More
Structure : Combination
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Audited Supplier
Jiangsu Acrel Electrical Manufacturing Co., Ltd.

Manufacturer/Factory & Trading Company

Jiangsu, China Since 2020
Chat Now Send Inquiry
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