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Advanced Automatic Control Relay P3u30 with 16 Inputs and 8 Outputs

Advanced Automatic Control Relay P3u30 with 16 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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6kv 4000kVA Transformer Substation High Performance for Industrial Gas Compression Integrated Substation

6kv 4000kVA Transformer Substation High Performance for Industrial Gas Compression Integrated Substation

US $ 1,000-5,000 / Piece FOB
1 Piece (MOQ)
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Audited Supplier
Henan Aoyang Machinery Co., Ltd.

Henan, China Since 2026
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Durable High-Precision Acid Value Automatic Tester - Rapid-Detection Anti-Interference Compact User-Friendly

Durable High-Precision Acid Value Automatic Tester - Rapid-Detection Anti-Interference Compact User-Friendly

US $ 1,100-2,310 / 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
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Dust Proof Ceramic Circuit Breaker for Mining Area Electrical Equipment Safety Guard

Dust Proof Ceramic Circuit Breaker for Mining Area Electrical Equipment Safety Guard

US $ 500-3,500 / Piece FOB
1 Piece (MOQ)
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Audited Supplier
Xuzhou Jinteng Intelligent Electrical Technology Co., Ltd.

Jiangsu, China Since 2025
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12ton Crossed-Flow Type Grain Rice Maize Dryer

12ton Crossed-Flow Type Grain Rice Maize Dryer

US $ 10,000-15,000 / Piece FOB
1 Piece (MOQ)
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Audited Supplier
Anhui Chenyu Mechanical Co., Ltd

Manufacturer/Factory & Trading Company

Anhui, China Since 2024
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Industrial Powerlogic Relay Protection Device for Enhanced Safety

Industrial Powerlogic Relay Protection Device for Enhanced Safety

US $ 3,000-3,500 / 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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Acrel Am2se 10kv Medium Voltage Protection Relay Voltage Current Protection Relay in Switchgear

Acrel Am2se 10kv Medium Voltage Protection Relay Voltage Current Protection Relay in Switchgear

US $ 777 / Piece FOB
1 Piece (MOQ)
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ACREL CO., LTD.

Manufacturer/Factory & Trading Company

Shanghai, China Since 2019
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110kv 31.5mva Prefabricated Substation for Industrial Complexes Standard Main Power Substation

110kv 31.5mva Prefabricated Substation for Industrial Complexes Standard Main Power Substation

US $ 1,000-5,000 / Piece FOB
1 Piece (MOQ)
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Audited Supplier
Henan Aoyang Machinery Co., Ltd.

Henan, China Since 2026
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Professional High-Performance Acid Value Automatic Tester - Precise-Detection Low-Power Anti-Interference Durable Provide Other Electrical Tester

Professional High-Performance Acid Value Automatic Tester - Precise-Detection Low-Power Anti-Interference Durable Provide Other Electrical Tester

US $ 1,100-2,310 / 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
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Miniature Ceramic Circuit Breaker for Residential Building Indoor Wiring Safety Protection

Miniature Ceramic Circuit Breaker for Residential Building Indoor Wiring Safety Protection

US $ 500-3,500 / Piece FOB
1 Piece (MOQ)
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Audited Supplier
Xuzhou Jinteng Intelligent Electrical Technology Co., Ltd.

Jiangsu, China Since 2025
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12ton Paddy Spent Grain Dehydrator Paddy Spent Grain Dehydrator Corn and Wheat Dryer

12ton Paddy Spent Grain Dehydrator Paddy Spent Grain Dehydrator Corn and Wheat Dryer

US $ 10,000-12,000 / Piece FOB
1 Piece (MOQ)
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Audited Supplier
Anhui Chenyu Mechanical Co., Ltd

Manufacturer/Factory & Trading Company

Anhui, China Since 2024
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Schneider P3u30 Smart Measurement Control Relay Device for Safety

Schneider P3u30 Smart Measurement Control Relay Device for Safety

US $ 1,500-2,000 / Piece FOB
1 Piece (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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Electrical Transformer Substation with 50Hz Rated Frequency and IP43 Insulation

Electrical Transformer Substation with 50Hz Rated Frequency and IP43 Insulation

US $ 1,000-5,000 / Piece FOB
1 Piece (MOQ)
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Audited Supplier
Henan Aoyang Machinery Co., Ltd.

Henan, China Since 2026
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Rugged High-Performance Acid Value Automatic Tester for Labs Laboratory Equipment Supplier Provide Other Hipot Tester

Rugged High-Performance Acid Value Automatic Tester for Labs Laboratory Equipment Supplier Provide Other Hipot Tester

US $ 1,100-2,310 / 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
Low Noise Vacuum Circuit Breaker with Shockproof Design for Sensitive Electronic Equipment Protection

Low Noise Vacuum Circuit Breaker with Shockproof Design for Sensitive Electronic Equipment Protection

US $ 500-3,500 / Piece FOB
1 Piece (MOQ)
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Audited Supplier
Xuzhou Jinteng Intelligent Electrical Technology Co., Ltd.

Jiangsu, China Since 2025
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Small Capacity Grain Dryer for Paddy and Corn

Small Capacity Grain Dryer for Paddy and Corn

US $ 23,000-28,000 / Piece FOB
1 Piece (MOQ)
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Audited Supplier
Anhui Chenyu Mechanical Co., Ltd

Manufacturer/Factory & Trading Company

Anhui, China Since 2024
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2025 Advanced P5u20 Protection Relay for Arc Flash Safety

2025 Advanced P5u20 Protection Relay for Arc Flash Safety

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
Transformer Substation Electric Transformer, Insulation Class IP43, Durable

Transformer Substation Electric Transformer, Insulation Class IP43, Durable

US $ 1,000-5,000 / Piece FOB
1 Piece (MOQ)
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Audited Supplier
Henan Aoyang Machinery Co., Ltd.

Henan, China Since 2026
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Portable High Current Transformer DC Resistance Tester (10A-50A)

Portable High Current Transformer DC Resistance Tester (10A-50A)

US $ 1,410 / 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
Acrel Am5se-F Medium Voltage Line Protection Relay with Measuring Controling Function

Acrel Am5se-F Medium Voltage Line Protection Relay with Measuring Controling Function

US $ 777 / Piece FOB
1 Piece (MOQ)
Send Inquiry
Audited Supplier
ACREL CO., LTD.

Manufacturer/Factory & Trading Company

Shanghai, China Since 2019
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Insulated Ceramic Circuit Breaker for High Voltage Power Substation Equipment Protection

Insulated Ceramic Circuit Breaker for High Voltage Power Substation Equipment Protection

US $ 500-3,500 / Piece FOB
1 Piece (MOQ)
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Audited Supplier
Xuzhou Jinteng Intelligent Electrical Technology Co., Ltd.

Jiangsu, China Since 2025
Chat Now Send Inquiry
10t Grain Paddy Wheat Seed Corn Rice Maize for Rice Milling Line, Paddy Gryer Seed Dryer

10t Grain Paddy Wheat Seed Corn Rice Maize for Rice Milling Line, Paddy Gryer Seed Dryer

US $ 10,000-12,000 / Piece FOB
1 Piece (MOQ)
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Audited Supplier
Anhui Chenyu Mechanical Co., Ltd

Manufacturer/Factory & Trading Company

Anhui, China Since 2024
Chat Now Send Inquiry
Overcurrent & Earth Fault Protection Relay Micom P143 Instantaneous Trip Remote Monitoring & Control IEC 61850 Numerical Relay

Overcurrent & Earth Fault Protection Relay Micom P143 Instantaneous Trip Remote Monitoring & Control IEC 61850 Numerical Relay

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
Chat Now Send Inquiry

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About Microcomputer Protection Relay FAQ

  • QCan I request customized test machines at factory prices for my industry needs?

    The Microcomputer Protection Relay is an essential part of our Test Machine offerings.Absolutely—many factories offer custom test machine options tailored to your sector’s requirements. Popular OEM features and recent industry trends explain price, delivery time, and distributor flexibility. Contact us to start customization and get competitive pricing.

  • QWhat affects the wholesale price of a test machine from a factory?

    Discover the perfect addition to your Test Machine with our Microcomputer Protection Relay.Test machine price depends on measurement range, digital interface, and OEM customization. Trends show distributor volume discounts and factory prices change with technology updates. Check for special OEM or custom requests when getting a wholesale quote today.

  • QWho are the top distributors of test machines offering bulk or cheap deals?

    The Microcomputer Protection Relay is classified under our comprehensive Test Machine range.Leading distributors focus on factory-direct and bulk test machine deals, often ideal for industrial OEM use. Check for trends in wholesale packages and distributor guarantees on upgrades. Inquire now for a price guide or to request bulk order information.

6.6kv 1600kVA Compact Substation Low Maintenance for Industrial Material Handling Box Type Substation

6.6kv 1600kVA Compact Substation Low Maintenance for Industrial Material Handling Box Type Substation

US $ 1,000-5,000 / Piece FOB
1 Piece (MOQ)
Send Inquiry
Audited Supplier
Henan Aoyang Machinery Co., Ltd.

Henan, China Since 2026
Chat Now Send Inquiry
Multiparameter Transformer DC Resistance Tester for Power-Equipment

Multiparameter Transformer DC Resistance Tester for Power-Equipment

US $ 950-1,410 / Piece FOB
1 Piece (MOQ)
Send Inquiry
Audited Supplier
Refine On (Hebei) Electric Power Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Hebei, China Since 2025
Chat Now Send Inquiry
Medium Voltage Indoor Vacuum Circuit Breaker with Drawable Structure for Switchgear Cabinet Applications

Medium Voltage Indoor Vacuum Circuit Breaker with Drawable Structure for Switchgear Cabinet Applications

US $ 500-3,500 / Piece FOB
1 Piece (MOQ)
Send Inquiry
Audited Supplier
Xuzhou Jinteng Intelligent Electrical Technology Co., Ltd.

Jiangsu, China Since 2025
Chat Now Send Inquiry
50ton Mix Flow Type Cron Grain Dryers for Sale

50ton Mix Flow Type Cron Grain Dryers for Sale

US $ 55,000-57,500 / Piece FOB
1 Piece (MOQ)
Send Inquiry
Audited Supplier
Anhui Chenyu Mechanical Co., Ltd

Manufacturer/Factory & Trading Company

Anhui, China Since 2024
Chat Now Send Inquiry
Advanced Automotive Relay Safety Protection Device for Reliable Performance

Advanced Automotive Relay Safety Protection Device for Reliable Performance

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
10kv 1000kVA IEC62271 Substation Substation for Compact

10kv 1000kVA IEC62271 Substation Substation for Compact

US $ 1,000-5,000 / Piece FOB
1 Piece (MOQ)
Send Inquiry
Audited Supplier
Henan Aoyang Machinery Co., Ltd.

Henan, China Since 2026
Chat Now Send Inquiry
Elite Series 3 Phase Relay Protection Tester for Complex Relay Calibration Provide Other Electrical Tester

Elite Series 3 Phase Relay Protection Tester for Complex Relay Calibration Provide Other Electrical Tester

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

Manufacturer/Factory & Trading Company

Hebei, China Since 2025
Chat Now Send Inquiry
Capacitor Protection Ceramic Circuit Breaker for Power Capacitor Electrical System Guard

Capacitor Protection Ceramic Circuit Breaker for Power Capacitor Electrical System Guard

US $ 500-3,500 / Piece FOB
1 Piece (MOQ)
Send Inquiry
Audited Supplier
Xuzhou Jinteng Intelligent Electrical Technology Co., Ltd.

Jiangsu, China Since 2025
Chat Now Send Inquiry
22 Ton Per Batch Maize Dryer with Mixed Flow Drying Method, Mixed Flow Grain Dryers, Corn Drying Machine

22 Ton Per Batch Maize Dryer with Mixed Flow Drying Method, Mixed Flow Grain Dryers, Corn Drying Machine

US $ 23,000-28,000 / Piece FOB
1 Piece (MOQ)
Send Inquiry
Audited Supplier
Anhui Chenyu Mechanical Co., Ltd

Manufacturer/Factory & Trading Company

Anhui, China Since 2024
Chat Now Send Inquiry
Factory Price Electrical Relay Simpler Operation Embedded Arc Protection Power Relay

Factory Price Electrical 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
Chat Now Send Inquiry
11kv 2000kVA Box Type Substation for Industrial Infrastructure

11kv 2000kVA Box Type Substation for Industrial Infrastructure

US $ 1,000-5,000 / Piece FOB
1 Piece (MOQ)
Send Inquiry
Audited Supplier
Henan Aoyang Machinery Co., Ltd.

Henan, China Since 2026
Chat Now Send Inquiry
Grandway Power Acid Value Automatic Tester for Transformer-Maintenance Laboratory Equipment Supplier Provide Other Hipot Tester

Grandway Power Acid Value Automatic Tester for Transformer-Maintenance Laboratory Equipment Supplier Provide Other Hipot Tester

US $ 1,100-2,310 / Piece FOB
1 Piece (MOQ)
Send Inquiry
Audited Supplier
Refine On (Hebei) Electric Power Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Hebei, China Since 2025
Chat Now Send Inquiry
Dust Proof Ceramic Circuit Breaker for Mining and Construction Site Power Grid System

Dust Proof Ceramic Circuit Breaker for Mining and Construction Site Power Grid System

US $ 500-3,500 / Piece FOB
1 Piece (MOQ)
Send Inquiry
Audited Supplier
Xuzhou Jinteng Intelligent Electrical Technology Co., Ltd.

Jiangsu, China Since 2025
Chat Now Send Inquiry
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