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High Accuracy Six Phase Secondary Current Injection Relay Protection Tester

High Accuracy Six Phase Secondary Current Injection Relay Protection Tester

US $ 2,000-6,000 / Piece FOB
1 Piece (MOQ)
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Wuhan Goldhome Hipot Electrical Co., Ltd.

Hubei, China Since 2018
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12V DC to 220V AC Pure Sine Wave Power Inverter PCB Circuit Board Mainboards Motherboard Inverter PCB Board for Home Power Station Assembly

12V DC to 220V AC Pure Sine Wave Power Inverter PCB Circuit Board Mainboards Motherboard Inverter PCB Board for Home Power Station Assembly

US $ 22.5-134.5 / Piece FOB
50 Pieces (MOQ)
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Wuhan Guanyou New Energy Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Hubei, China Since 2024
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Motor Drive Ad80 General Purpose Converter 0.37-185kw Inverter

Motor Drive Ad80 General Purpose Converter 0.37-185kw Inverter

US $ 45-1,600 / Piece FOB
10 Pieces (MOQ)
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ABC Electronic (Jiang Xi) Co., Ltd.

Manufacturer/Factory & Trading Company

Jiangxi, China Since 2020
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Professional Tool for Building Lightning Protection Testing Manufactured in Refine On's Factory

Professional Tool for Building Lightning Protection Testing Manufactured in Refine On's Factory

US $ 392 / Piece FOB
1 Piece (MOQ)
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Refine On (Hebei) Electric Power Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Hebei, China Since 2025
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12 Way Universal ATO Atc Fuse Blocks Negative Busbar Standard Blade Auto Lighting Fuse Box with Yellow Insurance Lock

12 Way Universal ATO Atc Fuse Blocks Negative Busbar Standard Blade Auto Lighting Fuse Box with Yellow Insurance Lock

US $ 6.8-7.5 / Piece FOB
20 Pieces (MOQ)
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Shenzhen Cozy Electronics Co.,Ltd.

Manufacturer/Factory & Trading Company

Guangdong, China Since 2024
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AC Motor Drive, Single Phase/Three Phase AC220V, 50/60Hz.

AC Motor Drive, Single Phase/Three Phase AC220V, 50/60Hz.

US $ 103-496 / Piece FOB
1 Piece (MOQ)
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Janson Controls Technologies (Shenzhen) Co., Limited

Manufacturer/Factory

Guangdong, China Since 2015
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Micro 2 M2 Add-a-Circuit Fuse Holder Fuse Tap with 5A Micro 2 Auto Fuse

Micro 2 M2 Add-a-Circuit Fuse Holder Fuse Tap with 5A Micro 2 Auto Fuse

US $ 0.33-0.38 / Piece FOB
500 Pieces (MOQ)
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Shenzhen Cozy Electronics Co.,Ltd.

Manufacturer/Factory & Trading Company

Guangdong, China Since 2024
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Vlf AC Hipot Tester up to 90kv Epvlf

Vlf AC Hipot Tester up to 90kv Epvlf

US $ 1,290-3,260 / Set FOB
1 Set (MOQ)
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EP HIPOT ELECTRIC CO., LTD.

Manufacturer/Factory & Trading Company

Hubei, China Since 2019
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Original Delta 400W 750W 1.5kw AC Asd-B2/A2/B3 Electronics/Industrial Automation Servo Drive Motor

Original Delta 400W 750W 1.5kw AC Asd-B2/A2/B3 Electronics/Industrial Automation Servo Drive Motor

US $ 150-2,000 / Piece FOB
1 Piece (MOQ)
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Wuhan Yichao Technology Equipment Co., Ltd.

Trading Company

Hubei, China Since 2018
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Cumark Heavy Duty Frequency Converter VFD AC Drive Frequency Inverter for Crane Hoist

Cumark Heavy Duty Frequency Converter VFD AC Drive Frequency Inverter for Crane Hoist

US $ 99-199 / Piece FOB
2 Pieces (MOQ)
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Shenzhen Cumark Sci. & Tech. Co., Ltd.

Manufacturer/Factory & Trading Company

Guangdong, China Since 2026
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Best seller high quality USB power adapter 75W 4ports 1type C and 3USB wall charger for EU/AU/UK/US

Best seller high quality USB power adapter 75W 4ports 1type C and 3USB wall charger for EU/AU/UK/US

US $ 20-23 / Piece FOB
50 Pieces (MOQ)
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Changzhou Hiyou Microline Electron Co., Ltd.

Jiangsu, China Since 2022
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Tektronix Keithley 2400 2401 2420-C Source Measurement Unit (SMU) Instrument Provides Four Quadrants 2401 1A 20V

Tektronix Keithley 2400 2401 2420-C Source Measurement Unit (SMU) Instrument Provides Four Quadrants 2401 1A 20V

US $ 550 / Piece FOB
1 Piece (MOQ)
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Dongguan Qihang Electronic Technology Co., Ltd.

Trading Company

Guangdong, China Since 2024
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HVHIPOT GDJB-802 New design Secondary Injection Test Set Repaly protection tester

HVHIPOT GDJB-802 New design Secondary Injection Test Set Repaly protection tester

US $ 3,500-8,000 / Piece FOB
1 Piece (MOQ)
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HV Hipot Electric Co., Ltd.

Manufacturer/Factory & Trading Company

Hubei, China Since 2011
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Integrated Controller Special Wire Drawing VFD AC Drives with IP50 Protection

Integrated Controller Special Wire Drawing VFD AC Drives with IP50 Protection

US $ 299-2,699 / Set FOB
1 Set (MOQ)
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Wuhan Sine Electric Technology Co., Ltd

Manufacturer/Factory & Trading Company

Guangdong, China Since 2025
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Low Price Motor Controller 115/230VAC, 50/60Hz Brush Motor Speed Controller 10A DC Drive

Low Price Motor Controller 115/230VAC, 50/60Hz Brush Motor Speed Controller 10A DC Drive

US $ 35 / Piece FOB
1 Piece (MOQ)
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Jinan Lanjiu Electronic Technology Co., Ltd.

Trading Company

Shandong, China Since 2022
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1.60 Computer UV++ as Hmc Blue Cut Ar Coating Optical Eyeglasses Lens

1.60 Computer UV++ as Hmc Blue Cut Ar Coating Optical Eyeglasses Lens

US $ 50 / Pair FOB
1 Pair (MOQ)
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Weihai New Vision Optical Co., Ltd.

Shandong, China Since 2021
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"Fireshield™ " Ceramic Insulated Cable Armor-Like Protection for Electrical Grids

"Fireshield™ " Ceramic Insulated Cable Armor-Like Protection for Electrical Grids

US $ 4.9-5.9 / Meter FOB
100 Meters (MOQ)
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Jiangsu Tianli Cable Co., Ltd.

Manufacturer/Factory & Trading Company

Jiangsu, China Since 2025
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Industrial Power Control Cabinet for Electrical Networks

Industrial Power Control Cabinet for Electrical Networks

US $ 7,800-35,000 / Piece FOB
1 Piece (MOQ)
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Shandong Qiansheng Electric Power Equipment Engineering Co., Ltd.

Manufacturer/Factory

Shandong, China Since 2026
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Magnetic Wireless Charging Bluetooth Speaker

Magnetic Wireless Charging Bluetooth Speaker

US $ 4-4.6 / Piece FOB
100 Pieces (MOQ)
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SHENZHEN AIL INDUSTRIAL LIMITED

Guangdong, China Since 2015
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High-Efficiency Domestic Electric Fans for Home Cooling Solutions

High-Efficiency Domestic Electric Fans for Home Cooling Solutions

US $ 270-293 / Piece FOB
10 Pieces (MOQ)
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Yeaowl Technology Co., Ltd

Manufacturer/Factory & Trading Company

Guangdong, China Since 2024
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Outdoor P10 Common-Cathode Energy-Saving LED Display with Modular Design Multiple Protections and Low Power Consumption

Outdoor P10 Common-Cathode Energy-Saving LED Display with Modular Design Multiple Protections and Low Power Consumption

US $ 356-867 / Square Meter FOB
1 Square Meter (MOQ)
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Shenzhen Zhongxian Beixin Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Guangdong, China Since 2023
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Quality Assurance Easy Installation LED Full-Color P5mm Display Screen / Super Protection /Stage Setting

Quality Assurance Easy Installation LED Full-Color P5mm Display Screen / Super Protection /Stage Setting

US $ 903-910 / Square Meter FOB
1 Square Meter (MOQ)
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Shenzhen Lightingart LED Display Co., Ltd.

Guangdong, China Since 2019
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12s 80A 48V BLDC Motor Control Drive with Foc for Agricultural Drone

12s 80A 48V BLDC Motor Control Drive with Foc for Agricultural Drone

US $ 0.1 / Piece FOB
88,888 Pieces (MOQ)
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Audited Supplier
Shenzhen XC-ESC Technology Co., Ltd.

Guangdong, China Since 2021
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About Computer Current Protection FAQ

  • QHow to verify the quality of test machines from suppliers in China?

    The Computer Current Protection is an essential part of our Test Machine offerings.You can verify the quality of test machines by requesting product specifications, checking certifications, and asking for samples. Conduct thorough research on supplier reputation and reviews. Working with a trusted manufacturer ensures you receive high-quality test machines for your application needs.

  • QWhat are the advantages of sourcing test machines for instruments & meters from China?

    The Computer Current Protection is a premium choice in the Test Machine category.Sourcing test machines from China offers competitive pricing, a wide range of product selections, and access to advanced technology. China is known for its manufacturing expertise, and suppliers offer customization options to meet specific requirements, enabling you to find the best fit for your business.

  • QWhat types of test machines are commonly used for instruments & meters?

    Discover the perfect Test Machine addition with our Computer Current Protection.Test machines for instruments & meters come in various types such as performance testers, calibration equipment, and durability testers. Each type serves a specific function to ensure the accuracy and reliability of the instruments. Contact a reputable supplier for advice on the best choice for your needs.

Light Grey 1 Pair Drop Wire STB Module Without Protection Network Distribution Box

Light Grey 1 Pair Drop Wire STB Module Without Protection Network Distribution Box

US $ 0.58-1.28 / Piece FOB
1,500 Pieces (MOQ)
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Audited Supplier
Zhuhai Surelink Communication Cable Co., Ltd.

Guangdong, China Since 2010
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High Quality Source Factory Provides TV/DVD Computer 230V 13A Over Voltage Protector

High Quality Source Factory Provides TV/DVD Computer 230V 13A Over Voltage Protector

US $ 2.1-2.8 / pieces FOB
50 pieces (MOQ)
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Audited Supplier
Wenzhou Zhongzhe Electric Co., Ltd.

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2025
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Strong Mechanical Protection Fireproof Compact Design Corrosion Resistance Communication Mineral Isolation Cable

Strong Mechanical Protection Fireproof Compact Design Corrosion Resistance Communication Mineral Isolation Cable

US $ 1 / Meter FOB
102 Meters (MOQ)
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Audited Supplier
Shenghua Jiaolian Cable(Henan) Co., Ltd.

Henan, China Since 2025
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FTP CAT6 Shielded Ethernet Cable 4 Twisted Pairs, Foil-Shielded for Enhanced EMI Protection, High-Speed Category 6 Network Performance

FTP CAT6 Shielded Ethernet Cable 4 Twisted Pairs, Foil-Shielded for Enhanced EMI Protection, High-Speed Category 6 Network Performance

US $ 0.04-0.91 / Piece FOB
1,000 Pieces (MOQ)
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Linke Cable Technology (DongGuan) CO.,LTD

Manufacturer/Factory & Trading Company

Guangdong, China Since 2018
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Tzbot New Upgrade Motor Speed Control Agv DC Brushless Servo Drive for Warehous Industry Robot

Tzbot New Upgrade Motor Speed Control Agv DC Brushless Servo Drive for Warehous Industry Robot

US $ 200-350 / Piece FOB
1 Piece (MOQ)
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Zhejiang Tongzhu Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2021
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Outdoor LED USB Flash Disk Display Stand Supermarket Shelf PP Printing Advertising Board

Outdoor LED USB Flash Disk Display Stand Supermarket Shelf PP Printing Advertising Board

US $ 0.5-2 / Piece FOB
200 Pieces (MOQ)
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Audited Supplier
Qingdao Aohai Ruitai Industrial Co., Ltd.

Shandong, China Since 2022
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Kc Approved Korea C19 Power Cord with Insulation Protection Copper Extension Cable

Kc Approved Korea C19 Power Cord with Insulation Protection Copper Extension Cable

US $ 0.88-1.96 / Piece FOB
569 Pieces (MOQ)
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Audited Supplier
Jiaxing Hongzhou Cable Co., Ltd.

Zhejiang, China Since 2025
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24V DC 60W Battery Pack with UPS Backup Mini Industrial UPS for Computers Single Phase DC Current

24V DC 60W Battery Pack with UPS Backup Mini Industrial UPS for Computers Single Phase DC Current

US $ 50-58 / Piece FOB
1 Piece (MOQ)
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Audited Supplier
Panelmate Intelligent Equipment (Jiangsu) Co., Ltd.

Manufacturer/Factory & Trading Company

Jiangsu, China Since 2024
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Module Recycling Discharge Testing Equipment Electric Batteries Recycling Discharge Testing Machine

Module Recycling Discharge Testing Equipment Electric Batteries Recycling Discharge Testing Machine

US $ 1,000-4,000 / Piece FOB
1 Piece (MOQ)
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Audited Supplier
Dongguan Lonroy Equipment Co., Ltd

Guangdong, China Since 2025
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High Quality 2X2 0.9mm Optical Cable SC/PC Fsw Optical Switch for Optical Network Monitoring/Protection

High Quality 2X2 0.9mm Optical Cable SC/PC Fsw Optical Switch for Optical Network Monitoring/Protection

US $ 31.67-33.57 / Piece FOB
1 Piece (MOQ)
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Shenzhen Opelink Communication Technology Co., Ltd.

Trading Company

Guangdong, China Since 2016
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AC 220V -240V Single Phase PDU LCD Metered C13c19 PDU 32A Breaker Protection Rack Mount PDU

AC 220V -240V Single Phase PDU LCD Metered C13c19 PDU 32A Breaker Protection Rack Mount PDU

US $ 18.8-27.8 / Piece FOB
1 Piece (MOQ)
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Audited Supplier
Shenzhen Kiloamp Technologies Co., Ltd

Manufacturer/Factory

Guangdong, China Since 2025
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Chziri 380V 11kw Frequency Converter AC Drive

Chziri 380V 11kw Frequency Converter AC Drive

US $ 270-280 / Piece FOB
1 Piece (MOQ)
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Audited Supplier
Zhejiang Ziri Electrical Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2007
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RoHS2.0 Material Detection and Organic Compound Testing Machine (GW-2600)

RoHS2.0 Material Detection and Organic Compound Testing Machine (GW-2600)

US $ 3,150-50,000 / Piece FOB
1 Piece (MOQ)
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GREAT WIN INSTRUMENT CO., LTD.

Guangdong, China Since 2016
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