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Schneider Reliable P3u30 Protection Relay with 16di/8do and RS485 Serial Port

Schneider Reliable P3u30 Protection Relay with 16di/8do and RS485 Serial Port

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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St-Bk Serials 35% Vlt Dyed Window Film with 3-Year Warranty Privacy Protection

St-Bk Serials 35% Vlt Dyed Window Film with 3-Year Warranty Privacy Protection

US $ 26-46 / Roll FOB
1 Roll (MOQ)
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Function : UV Proof, Privacy Protection, Heat Insulation, Explosion-Proof, Anti Scratch
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Shanxi Dingxin Films Technology Stock Co., Ltd

Manufacturer/Factory & Trading Company

Shanxi, China Since 2024
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St-Bk Serials 20% Vlt Dyed Window Film Charcoal Black Privacy Protection

St-Bk Serials 20% Vlt Dyed Window Film Charcoal Black Privacy Protection

US $ 26-46 / Roll FOB
1 Roll (MOQ)
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Main Products: Paint Protection Film, Window Film
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Shanxi Dingxin Films Technology Stock Co., Ltd

Manufacturer/Factory & Trading Company

Shanxi, China Since 2024
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St-Bk Serials 5% Vlt Dyed Window Film with High Quality Privacy Protection

St-Bk Serials 5% Vlt Dyed Window Film with High Quality Privacy Protection

US $ 26-46 / Roll FOB
1 Roll (MOQ)
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Function : UV Proof, Privacy Protection, Heat Insulation, Explosion-Proof, Anti Scratch
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Audited Supplier
Shanxi Dingxin Films Technology Stock Co., Ltd

Manufacturer/Factory & Trading Company

Shanxi, China Since 2024
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RS232 Serial Port Photoelectric Isolation Protector Industrial Grade Passive 232 to 232 Repeater Photoelectric Isolation Protection

RS232 Serial Port Photoelectric Isolation Protector Industrial Grade Passive 232 to 232 Repeater Photoelectric Isolation Protection

US $ 8.99-15.99 / Piece FOB
50 Pieces (MOQ)
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Main Products: USB Serial Cable, Industry Cable, USB RS485, USB RS422, USB RS232, KVM Matrix, KVM Extender, KVM Splitter, KVM Converter, Video Matrix
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Shenzhen Caratar Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Guangdong, China Since 2021
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4 Pin 102 Serial Circular Connector with IP68 Waterproof Protection

4 Pin 102 Serial Circular Connector with IP68 Waterproof Protection

US $ 4.98-5.69 / Piece FOB
1 Piece (MOQ)
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Certification : RoHS, CE, ISO9001
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Guangzhou Superiorconnect Electronic Technology Co., Ltd.

Guangdong, China Since 2024
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Holographic Security Stickers for Anti Counterfeit Protection Tamper Evident Labels with Serial Numbers

Holographic Security Stickers for Anti Counterfeit Protection Tamper Evident Labels with Serial Numbers

US $ 0.0098-0.03 / Piece FOB
1,000 Pieces (MOQ)
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Main Products: Packaging Bag
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Guangdong Baiwei Packaging Co., Ltd.

Manufacturer/Factory & Trading Company

Guangdong, China Since 2026
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Customizable Security Seals with Unique Serial Codes for Protection

Customizable Security Seals with Unique Serial Codes for Protection

US $ 0.1-0.13 / Piece FOB
1,000 Pieces (MOQ)
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Application : Containers, Doors, Trucks, Instruments & Meters
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Shandong Haoyu Security Technology Co., Ltd.

Shandong, China Since 2025
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Custom Design 4 in 1 Serials Large Size Fire Protection Kit UL299 Certification

Custom Design 4 in 1 Serials Large Size Fire Protection Kit UL299 Certification

US $ 6.22-7.56 / Piece FOB
80 Pieces (MOQ)
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Main Products: Fire Extinguisher, Fire Blanket, Fire Hydrant, Fire Hose Reel, Fire Hose, Fire Hydrant Valve, Fire Cabinet, Fire Extinguisher Filling Machine, Fire Nozzle, Fire Extinguisher Ball
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Nanjing Jiayi Fire Technology Co., Ltd

Jiangsu, China Since 2021
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Industrial USB RS485 Converter Cable 6kv Surge Protection -40c for Factory Automation Without Isolation Serial Port Adapter, USB Bus Powered, 2Mbps

Industrial USB RS485 Converter Cable 6kv Surge Protection -40c for Factory Automation Without Isolation Serial Port Adapter, USB Bus Powered, 2Mbps

US $ 3.5-5 / Piece FOB
50 Pieces (MOQ)
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Audited Supplier
Hang Zhou Fei Chang Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2015
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Fragile Paper Security Labels for Tamper Proof Sealing Stickers with Serial Numbering Barcode Protection

Fragile Paper Security Labels for Tamper Proof Sealing Stickers with Serial Numbering Barcode Protection

US $ 0.03-0.08 / Piece FOB
100 Pieces (MOQ)
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Main Products: Self-adhesive Labels, Multi-layer Labels, Hang Tags, Custom Stickers
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Audited Supplier
Jiangsu Itech Packaging Printing Co., Ltd.

Manufacturer/Factory & Trading Company

Jiangsu, China Since 2026
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Valid Serial Number Protection Case for Ap"PRO2/PRO/Max Bluetooth Wireless Headphones High

Valid Serial Number Protection Case for Ap"PRO2/PRO/Max Bluetooth Wireless Headphones High

US $ 55-65 / Piece FOB
10 Pieces (MOQ)
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Jack Diameter : USB
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Audited Supplier
Shenzhen Ainville Electronics Co.,Ltd.

Trading Company

Guangdong, China Since 2023
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Protection Hologram Reflective Serial Number Sticker

Protection Hologram Reflective Serial Number Sticker

US $ 0.001-0.05 / Piece FOB
1,000 Pieces (MOQ)
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Main Products: Labels
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Audited Supplier
Dongguan Jiguan Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Guangdong, China Since 2013
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Protection Trailer High Security Cable Seal with Bar Code and Serial Number

Protection Trailer High Security Cable Seal with Bar Code and Serial Number

US $ 0.15-0.17 / Piece FOB
10,000 Pieces (MOQ)
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Certification : C-TPAT, ISO17712, ISO9001
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Audited Supplier
HEBEI JUNYUE METAL PRODUCTS CO., LTD.

Manufacturer/Factory & Trading Company

Hebei, China Since 2018
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Halfduplex Communication Module Serial Cable Converter Tvs Protection USB to RS485 Adapter

Halfduplex Communication Module Serial Cable Converter Tvs Protection USB to RS485 Adapter

US $ 1-1.5 / Piece FOB
50 Pieces (MOQ)
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Main Products: Connector, Wiring Harness
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Audited Supplier
Xiamen Kabasi Electric Co., Ltd.

Fujian, China Since 2025
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APC Bp1000CH UPS 600W 1000va Serial Communication Surge Protection APC Back UPS

APC Bp1000CH UPS 600W 1000va Serial Communication Surge Protection APC Back UPS

US $ 99-112 / Piece FOB
20 Pieces (MOQ)
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Type : On-line
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Beijing Jinnuo Hengtong Technology Co., Ltd.

Beijing, China Since 2026
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IP67 protection level Wifi Serial Server Converter,Serial To Wifi / Wifi To Ethernet Converter Support LoRaWAN Gateway

IP67 protection level Wifi Serial Server Converter,Serial To Wifi / Wifi To Ethernet Converter Support LoRaWAN Gateway

US $ 500-610 / Piece FOB
1 Piece (MOQ)
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Main Products: Pressure Transmitter, Differential Pressure Transmitters, Temperature Transmitter, Wind Speed Sensors, Wind Direction Sensors, Fuel Level Sensor, Capacitive Liquid Level Transmitter
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Hunan Firstrate Sensor Co., Ltd.

Manufacturer/Factory & Trading Company

Hunan, China Since 2015
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Custom Printing Serial Number Barcode Security Warranty Void Sticker Label for Copyright Protection

Custom Printing Serial Number Barcode Security Warranty Void Sticker Label for Copyright Protection

US $ 0.002-0.005 / Piece FOB
100 Pieces (MOQ)
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Type : Adhesive Sticker
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Audited Supplier
Qingdao Chenghaoda Science and Technology Co., Ltd.

Shandong, China Since 2022
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Factory 4G Cat1 DTU Zyd5017-a Industrial Serial Server with Watchdog Protection

Factory 4G Cat1 DTU Zyd5017-a Industrial Serial Server with Watchdog Protection

US $ 43.8-62.5 / Piece FOB
1 Piece (MOQ)
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Main Products: 4G Industrial Router, 5g Industrial Router, 4G DTU, Lorawan Gateway, 5g CPE, Lorawan Sensor
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ZYDlink (XiaMen) Information Technology Co., Ltd.

Fujian, China Since 2026
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Industrial Dual RS485 USB Cable 3kv Isolation 6kv Surge Protection -40c for Factory Automation PLC Serial Port Converter, 10Mbps, 2-Channel RS485

Industrial Dual RS485 USB Cable 3kv Isolation 6kv Surge Protection -40c for Factory Automation PLC Serial Port Converter, 10Mbps, 2-Channel RS485

US $ 13-17 / Piece FOB
50 Pieces (MOQ)
Send Inquiry
Audited Supplier
Hang Zhou Fei Chang Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2015
Chat Now Send Inquiry
Related Videos
  • What is Schneider Reliable P3u30 Protection Relay with 16di/8do and RS485 Serial Port
    What is Schneider Reliable P3u30 Protection Relay with 16di/8do and RS485 Serial Port
    US $ 1,500-2,000 /unit
    1 unit (MOQ)
    Send Inquiry
  • What is St-Bk Serials 35% Vlt Dyed Window Film with 3-Year Warranty Privacy Protection
    What is St-Bk Serials 35% Vlt Dyed Window Film with 3-Year Warranty Privacy Protection
    US $ 26-46 /Roll
    1 Roll (MOQ)
    Send Inquiry
  • What is St-Bk Serials 20% Vlt Dyed Window Film Charcoal Black Privacy Protection
    What is St-Bk Serials 20% Vlt Dyed Window Film Charcoal Black Privacy Protection
    US $ 26-46 /Roll
    1 Roll (MOQ)
    Send Inquiry
  • What is St-Bk Serials 5% Vlt Dyed Window Film with High Quality Privacy Protection
    What is St-Bk Serials 5% Vlt Dyed Window Film with High Quality Privacy Protection
    US $ 26-46 /Roll
    1 Roll (MOQ)
    Send Inquiry
RS232/RS485/422 Opto-Isolated Serial Converter with Surge Protection (BX001)

RS232/RS485/422 Opto-Isolated Serial Converter with Surge Protection (BX001)

US $ 60 / Piece FOB
1 Piece (MOQ)
More
Main Products: Load cells, Force sensors, Weighing indicators, Transmitter
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Audited Supplier
Hefei Brans Measuring And Controlling Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Anhui, China Since 2017
Chat Now Send Inquiry
Other Fire Protection Equipment Serials Fire Rescue Safety Helmet Cap

Other Fire Protection Equipment Serials Fire Rescue Safety Helmet Cap

US $ 1-99 / Piece FOB
1,000 Pieces (MOQ)
More
Material : ABS
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Audited Supplier
Nanjing Jiayi Fire Technology Co., Ltd

Jiangsu, China Since 2021
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5 Inch Serial RS232 TFT Display - ESD 12kv Protection Industrial Grade Touch Screen China Supplier OEM ODM

5 Inch Serial RS232 TFT Display - ESD 12kv Protection Industrial Grade Touch Screen China Supplier OEM ODM

US $ 22-27 / Piece FOB
99 Pieces (MOQ)
More
Main Products: Display Monitor, Status Light
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Audited Supplier
Qingdao Ansenke Electronics CO., LTD

Manufacturer/Factory & Trading Company

Shandong, China Since 2023
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About Serial Protection FAQ

  • QHow do I choose the right Variable-Frequency Drive for my needs?

    Upgrade your Variable-Frequency Drive with the elegant and durable Serial Protection.Selecting a Variable-Frequency Drive involves understanding your motor characteristics and specific needs such as speed range and torque. Our factory guide simplifies this with an easy comparison between leading manufacturers at competitive prices. Research top-rated VFDs and connect with us to explore customization and partnership options at an affordable rate!

  • QWhat trends are driving the demand for Variable-Frequency Drives?

    Enhance your Variable-Frequency Drive setup with our premium Serial Protection.Rising energy costs and new efficiency standards boost Variable-Frequency Drives popularity. As key components in industrial tech solutions, they tick adaptability and distributorship boxes like no other product. Explore our latest insights on this upward trend and rely on fast delivery and proven expertise for your next VFD purchase. Get a quote today!

  • QWhy are Variable-Frequency Drives essential in modern electronics?

    Our Serial Protection offers exceptional quality and style within the Variable-Frequency Drive category.Variable-Frequency Drives (VFDs) optimize energy usage, reduce wear on equipment, and bring cost-saving solutions to AC motor operations. Popular among distributors for their wholesale and OEM potential, VFDs enhance long-term sustainability. Learn more about how VFDs impact emerging trends in industrial automation. Request your customized quote today!

Acrylic Emulsion High Transparent Viscosity, Good Fusion, Super Environmental Protection Serial

Acrylic Emulsion High Transparent Viscosity, Good Fusion, Super Environmental Protection Serial

US $ 0.5-20 / kg FOB
3 kg (MOQ)
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Audited Supplier
Xuzhou Huide New Material Technology Co., Ltd.

Jiangsu, China Since 2022
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Customization Based on Provided Design 5 Inch TFT Serial HMI Touch Module - IPS Full View 800X480 ESD 8kv Protection China Manufacturer

Customization Based on Provided Design 5 Inch TFT Serial HMI Touch Module - IPS Full View 800X480 ESD 8kv Protection China Manufacturer

US $ 22-27 / Piece FOB
99 Pieces (MOQ)
More
Main Products: Display Monitor, Status Light
Send Inquiry
Audited Supplier
Qingdao Ansenke Electronics CO., LTD

Manufacturer/Factory & Trading Company

Shandong, China Since 2023
Chat Now Send Inquiry
HMI with 23/485/USB/Ethernet/4G Remote Communication Human Machine Interface

HMI with 23/485/USB/Ethernet/4G Remote Communication Human Machine Interface

US $ 43-108 / Piece FOB
1 Piece (MOQ)
More
Structure : Combination
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Audited Supplier
Janson Controls Technologies (Shenzhen) Co., Limited

Manufacturer/Factory & Trading Company

Guangdong, China Since 2015
Chat Now Send Inquiry
Enclosure PLC Cabinet Automatic Single Door Durable Energy Saving Customizable Die Casting Machine

Enclosure PLC Cabinet Automatic Single Door Durable Energy Saving Customizable Die Casting Machine

US $ 100-10,000 / Piece FOB
1 Piece (MOQ)
More
Main Products: Electrical Distribution Cabinet
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Audited Supplier
Zhejiang Golden Unicorn Electrical Tech Company

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2026
Chat Now Send Inquiry
Large Sized High-Voltage Wound Rotor Slip Ring Motor

Large Sized High-Voltage Wound Rotor Slip Ring Motor

1 Piece (MOQ)
More
Number of Stator : Three-Phase
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Audited Supplier
ZCL Electric Motor Technology Co., Ltd.

Hebei, China Since 2017
Chat Now Send Inquiry
Static Electret Charging N Serial Respirator Filter Media PP Melt Blown

Static Electret Charging N Serial Respirator Filter Media PP Melt Blown

US $ 6.65-7 / kg FOB
1,000 kg (MOQ)
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Main Products: Nonwoven Fabric
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Audited Supplier
Ningbo Xiangyi Imp. & Exp. Co., Ltd.

Trading Company

Zhejiang, China Since 2016
Chat Now Send Inquiry
Smart Lighting Distribution Board, Flame-Retardant PC, for Modern Residential Villas

Smart Lighting Distribution Board, Flame-Retardant PC, for Modern Residential Villas

US $ 100-300 / Piece FOB
20 Pieces (MOQ)
More
Certification : ISO9001:2000, CCC
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Audited Supplier
Zhejiang Golden Unicorn Electrical Tech Company

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2026
Chat Now Send Inquiry
Multi-Parameter Pharmaceutical Flow Turbine Flowmeter

Multi-Parameter Pharmaceutical Flow Turbine Flowmeter

US $ 160-320 / pieces FOB
1 pieces (MOQ)
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Main Products: Water Quality Analyzer, pH Sensor, Flowmeter
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Audited Supplier
Beijing Jingxiang Environmental Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Beijing, China Since 2025
Chat Now Send Inquiry
Smart Lighting Distribution Boxes, Flame-Retardant PC, for Residential Community

Smart Lighting Distribution Boxes, Flame-Retardant PC, for Residential Community

US $ 100-300 / Piece FOB
20 Pieces (MOQ)
More
Certification : ISO9001:2000, CCC
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Audited Supplier
Zhejiang Golden Unicorn Electrical Tech Company

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2026
Chat Now Send Inquiry
Integrated Intelligent Explosion-Proof Electromagnetic Flowmeter

Integrated Intelligent Explosion-Proof Electromagnetic Flowmeter

US $ 78-236 / pieces FOB
1 pieces (MOQ)
More
Main Products: Water Quality Analyzer, pH Sensor, Flowmeter
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Audited Supplier
Beijing Jingxiang Environmental Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Beijing, China Since 2025
Chat Now Send Inquiry
Yrkk Series Large Size High Voltage Slip Ring Motor

Yrkk Series Large Size High Voltage Slip Ring Motor

1 Piece (MOQ)
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Certification : ISO9001, CCC
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Audited Supplier
ZCL Electric Motor Technology Co., Ltd.

Hebei, China Since 2017
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Yrks Large Size High Voltage Slip Ring Water-Cooled Motor

Yrks Large Size High Voltage Slip Ring Water-Cooled Motor

1 Piece (MOQ)
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Main Products: High Voltage Motor, High Efficiency Motor, Synchronous Motor, Slip Ring Motor, Vertical Motor, Three-Phase Asynchronous Motor, Explosion Proof Motor, Induction Motor, Electric Motor, AC Motor
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Audited Supplier
ZCL Electric Motor Technology Co., Ltd.

Hebei, China Since 2017
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Rectilinear Style Wall-Mounted Electricity Equipment by Changshu S

Rectilinear Style Wall-Mounted Electricity Equipment by Changshu S

US $ 100-10,000 / Piece FOB
1 Piece (MOQ)
More
Customized : Customized
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Audited Supplier
Zhejiang Golden Unicorn Electrical Tech Company

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2026
Chat Now Send Inquiry
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