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Microcomputer Protection Relay

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P3u30 Safety Relay with 16 Digital Inputs and 8 Outputs

P3u30 Safety Relay with 16 Digital Inputs and 8 Outputs

US $ 1,500-2,000 / unit FOB
1 unit (MOQ)
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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 P5V20 Series Voltage and Frequency Relay for Electrical Safety

Advanced P5V20 Series Voltage and Frequency Relay for Electrical Safety

US $ 6,500-7,700 / unit FOB
1 unit (MOQ)
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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 Smart Relay Protection Device for Enhanced Safety

Advanced Smart Relay Protection Device for Enhanced Safety

US $ 6,500-7,700 / unit FOB
1 unit (MOQ)
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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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P3u30 Advanced Undervoltage Protection Relay for Phase Sequence

P3u30 Advanced Undervoltage Protection Relay for Phase Sequence

US $ 1,500-2,000 / unit FOB
1 unit (MOQ)
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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 Motor Protection Relay with Ecoreal Mv Technology

Advanced Motor Protection Relay with Ecoreal Mv Technology

US $ 1,500-2,000 / unit FOB
1 unit (MOQ)
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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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High-Performance P5V20 Voltage Relay for Enhanced Electrical Safety

High-Performance P5V20 Voltage Relay for Enhanced Electrical Safety

US $ 1,000-4,000 / unit FOB
1 unit (MOQ)
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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 Motor Protection Relay for Enhanced Safety Performance

Advanced Motor Protection Relay for Enhanced Safety Performance

US $ 1,500-2,000 / unit FOB
1 unit (MOQ)
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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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Best Practical General Relay Simpler Operation Embedded Arc Protection Power Relay

Best Practical General Relay Simpler Operation Embedded Arc Protection Power Relay

US $ 1,500-2,000 / unit FOB
1 unit (MOQ)
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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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Low-Power Consumption Combination Structure Generator Protection Electrical Control System Relay

Low-Power Consumption Combination Structure Generator Protection Electrical Control System Relay

US $ 1,500-2,000 / unit FOB
1 unit (MOQ)
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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 Micom P143 Overcurrent Relay with 32 Input Channels

Advanced Micom P143 Overcurrent Relay with 32 Input Channels

US $ 6,500-7,700 / unit FOB
1 unit (MOQ)
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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 Protection Device Industrial Protection Relay Applied to Incoming Lines

Microcomputer Protection Device Industrial Protection Relay Applied to Incoming Lines

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

Zhejiang, China Since 2026
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Advanced Overload Relay Power Relay for Motor Control

Advanced Overload Relay Power Relay for Motor Control

US $ 1,500-2,000 / unit FOB
1 unit (MOQ)
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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 Safety Feeder Protection Relay for Reliable Performance

Advanced Safety Feeder Protection Relay for Reliable Performance

US $ 1,500-3,000 / unit FOB
1 unit (MOQ)
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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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Comprehensive Feeder Management Relay with 32 Inputs and 30 Outputs

Comprehensive Feeder Management Relay with 32 Inputs and 30 Outputs

US $ 6,500-7,700 / unit FOB
1 unit (MOQ)
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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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Micom P143 Schneider Relay for IEC 61850 Communication and Measurement

Micom P143 Schneider Relay for IEC 61850 Communication and Measurement

US $ 3,000-4,000 / unit FOB
1 unit (MOQ)
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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 P5u20 Protection Relay for Arc Flash Control

Advanced P5u20 Protection Relay for Arc Flash Control

US $ 1,500-2,000 / unit FOB
1 unit (MOQ)
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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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New Design Three-Phase LV PV Grid-Connection Anti-Island Protection Relay Testing Equipment with Reverse Power Protection Overload and Frequency Function

New Design Three-Phase LV PV Grid-Connection Anti-Island Protection Relay Testing Equipment with Reverse Power Protection Overload and Frequency Function

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

Zhejiang, China Since 2026
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Compact Power Management Relays for Efficient Energy Solutions

Compact Power Management Relays for Efficient Energy Solutions

US $ 1,500-2,000 / unit FOB
1 unit (MOQ)
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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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High-Performance Medium Voltage Relay for Research and Education

High-Performance Medium Voltage Relay for Research and Education

US $ 1,500-2,000 / unit FOB
1 unit (MOQ)
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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 P5V20 Relay Circuit Breaker for Precise Measurement

Advanced P5V20 Relay Circuit Breaker for Precise Measurement

US $ 1,500-2,000 / unit FOB
1 unit (MOQ)
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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
Reliable Micomp243 Smart Relay for Enhanced Electrical Safety

Reliable Micomp243 Smart Relay for Enhanced Electrical Safety

US $ 1,500-3,000 / unit FOB
1 unit (MOQ)
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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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Reliable P5u20 Arc Flash Protection Relay with Latching Feature

Reliable P5u20 Arc Flash Protection Relay with Latching Feature

US $ 1,500-2,000 / unit FOB
1 unit (MOQ)
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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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Current Transformer Voltage Protective Microcomputer Controlled Chip Relay

Current Transformer Voltage Protective Microcomputer Controlled Chip Relay

US $ 20-80 / Piece FOB
1 Piece (MOQ)
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Sundy Electric Apparatus Co., Ltd.

Zhejiang, China
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About Microcomputer Protection Relay FAQ

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

    The Microcomputer Protection Relay is an essential part of our Test Machine offerings.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.

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

    The Microcomputer Protection Relay is a premium choice in the Test Machine category.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?

    Our Microcomputer Protection Relay offers exceptional quality and style within the Test Machine category.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.

Advanced China P5u20 Latching Relay for Arc Flash Measurement

Advanced China P5u20 Latching Relay for Arc Flash Measurement

US $ 1,500-2,000 / unit FOB
1 unit (MOQ)
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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
Durable 16di/8do Relay for Enhanced Motor Protection Systems

Durable 16di/8do Relay for Enhanced Motor Protection Systems

US $ 1,500-2,000 / unit FOB
1 unit (MOQ)
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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
Intelligent Feeder Management Relay Micom P143 Microprocessor-Based Protection Overcurrent, Instantaneous, Zero-Sequence Remote Telecontrol

Intelligent Feeder Management Relay Micom P143 Microprocessor-Based Protection Overcurrent, Instantaneous, Zero-Sequence Remote Telecontrol

US $ 6,500-7,700 / unit FOB
1 unit (MOQ)
Send Inquiry
Audited Supplier
Beijing Hezhong Huineng Electric Technology Co., Ltd

Manufacturer/Factory & Trading Company

Beijing, China Since 2025
Chat Now Send Inquiry
Advanced Micomp243 Smart Relay for Optimal Feeder Protection Solutions

Advanced Micomp243 Smart Relay for Optimal Feeder Protection Solutions

US $ 1,000-5,000 / unit FOB
1 unit (MOQ)
Send Inquiry
Audited Supplier
Beijing Hezhong Huineng Electric Technology Co., Ltd

Manufacturer/Factory & Trading Company

Beijing, China Since 2025
Chat Now Send Inquiry
Advanced Micom P143 Relay for Reliable Overcurrent Protection

Advanced Micom P143 Relay for Reliable Overcurrent Protection

US $ 6,500-7,700 / unit FOB
1 unit (MOQ)
Send Inquiry
Audited Supplier
Beijing Hezhong Huineng Electric Technology Co., Ltd

Manufacturer/Factory & Trading Company

Beijing, China Since 2025
Chat Now Send Inquiry
Intelligent Motor Protection and Controller Device

Intelligent Motor Protection and Controller Device

US $ 53.9-54 / Piece FOB
1 Piece (MOQ)
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Audited Supplier
Jiangsu Acrel Electrical Manufacturing Co., Ltd.

Manufacturer/Factory & Trading Company

Jiangsu, China Since 2020
Chat Now Send Inquiry
Digital Timer for Solenoid Valve (XY-3800)

Digital Timer for Solenoid Valve (XY-3800)

US $ 8 / Piece FOB
50 Pieces (MOQ)
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Audited Supplier
Xingyu Electron (Ningbo) Co., Ltd.

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2006
Chat Now Send Inquiry
High Quality Electrical Relay Simpler Operation Embedded Arc Protection Power Relay

High Quality Electrical Relay Simpler Operation Embedded Arc Protection Power Relay

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

Manufacturer/Factory & Trading Company

Beijing, China Since 2025
Chat Now Send Inquiry
Schneider P5u20 Protection Relay Network Analyzer Reclosing Latching Arc Flash Integrated Measurement Control 4~10di 3~7do+Wd Supports Prr/Hsr Protocols

Schneider P5u20 Protection Relay Network Analyzer Reclosing Latching Arc Flash Integrated Measurement Control 4~10di 3~7do+Wd Supports Prr/Hsr Protocols

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

Manufacturer/Factory & Trading Company

Beijing, China Since 2025
Chat Now Send Inquiry
China New P3u30 Integrated Measurement and Control Protection Relay 16di/8do RS485/RJ45*2 Undervoltage Phase Overcurrent

China New P3u30 Integrated Measurement and Control Protection Relay 16di/8do RS485/RJ45*2 Undervoltage Phase Overcurrent

US $ 1,500-2,000 / unit FOB
1 unit (MOQ)
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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
Easy to Maintain Combination Structure Transformer Protection Power Relay

Easy to Maintain Combination Structure Transformer Protection Power Relay

US $ 1,500-2,000 / unit FOB
1 unit (MOQ)
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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
Protection Relay P5V20 for Circuit Breaker Control Cbf & Reclosing Latching & Arc Flash Measurement & Control Prr/Hsr

Protection Relay P5V20 for Circuit Breaker Control Cbf & Reclosing Latching & Arc Flash Measurement & Control Prr/Hsr

US $ 6,500-7,700 / unit FOB
1 unit (MOQ)
Send Inquiry
Audited Supplier
Beijing Hezhong Huineng Electric Technology Co., Ltd

Manufacturer/Factory & Trading Company

Beijing, China Since 2025
Chat Now Send Inquiry
S903 Microcomputer-Based 3 Phase Relay Protection Tester (High Precision) Provide Other Electrical Tester

S903 Microcomputer-Based 3 Phase Relay Protection Tester (High Precision) Provide Other Electrical Tester

US $ 4,000-6,710 / Piece FOB
1 Piece (MOQ)
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Audited Supplier
Refine On (Hebei) Electric Power Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Hebei, China Since 2025
Chat Now Send Inquiry
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