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Controller Relay Extension Module

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LED Display Digital PID Temperature Controller Professional Temperature Sensor Regulator

LED Display Digital PID Temperature Controller Professional Temperature Sensor Regulator

US $ 10-15 / Piece FOB
100 Pieces (MOQ)
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Audited Supplier
Hangzhou Antin Power Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2022
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New Original Mitsubishi Fx3SA-14mt-Cm PLC Module Programmable Controller Fx3SA14mtcm

New Original Mitsubishi Fx3SA-14mt-Cm PLC Module Programmable Controller Fx3SA14mtcm

US $ 100-300 / Piece FOB
1 Piece (MOQ)
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Shanghai UCANI Industrial Development Co., Ltd.

Shanghai, China Since 2019
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Wago 857-402 Voltage Signal Isolator High Precision

Wago 857-402 Voltage Signal Isolator High Precision

US $ 90-399 / Piece FOB
1 Piece (MOQ)
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Quanzhou Ausenist Technology Co., Ltd

Jiangsu, China Since 2023
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Windbell Sp300 Magnetostrictive Probe Fuel Tank Level Gauge for Gas Station

Windbell Sp300 Magnetostrictive Probe Fuel Tank Level Gauge for Gas Station

US $ 50-3,000 / Piece FOB
1 Piece (MOQ)
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Zhengzhou Windbell Measurement and Control Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Henan, China Since 2022
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Industrial Automation Plug-in Programmable Logic Controller PLC Automatic Configuration Free Expansion Digital Analog Input and Output Io Module Codesys/Openpcs

Industrial Automation Plug-in Programmable Logic Controller PLC Automatic Configuration Free Expansion Digital Analog Input and Output Io Module Codesys/Openpcs

US $ 109 / Piece FOB
1 Piece (MOQ)
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Shenyang Vhandy Technology Co., Ltd

Trading Company

Liaoning, China Since 2025
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Aviation Standard Threaded Tuning Fork Level Switch

Aviation Standard Threaded Tuning Fork Level Switch

US $ 79-99 / Piece FOB
1 Piece (MOQ)
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Audited Supplier
Anhui Tongyi Instrument and Control Technology Co., Ltd.

Anhui, China Since 2025
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Modbus TCP RTU Communication 24V DC PLC Cheap Ethernet Programmable Logic Controller China Manufacturer Compatible with Openpcs Codesys Software

Modbus TCP RTU Communication 24V DC PLC Cheap Ethernet Programmable Logic Controller China Manufacturer Compatible with Openpcs Codesys Software

US $ 145 / Piece FOB
1 Piece (MOQ)
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Shenyang Vhandy Technology Co., Ltd

Liaoning, China Since 2025
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Ty901-a SS304 Stainless Steel Standard Threaded Tuning Fork Level Switch

Ty901-a SS304 Stainless Steel Standard Threaded Tuning Fork Level Switch

US $ 79-99 / Piece FOB
1 Piece (MOQ)
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Anhui Tongyi Instrument and Control Technology Co., Ltd.

Anhui, China Since 2025
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PLC S7-1200/1500 From Lyhl Size 2100X2200X800 for Performance

PLC S7-1200/1500 From Lyhl Size 2100X2200X800 for Performance

US $ 2,000-30,000 / Set FOB
1 Set (MOQ)
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Audited Supplier
Luoyang Heli Automation Equipment Co., Ltd.

Henan, China Since 2025
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Fishing Float/Sensor Float/Nitrile Butadiene Rubber Float

Fishing Float/Sensor Float/Nitrile Butadiene Rubber Float

US $ 0.15-1 / Piece FOB
10 Pieces (MOQ)
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Audited Supplier
Dongguan Dalang Aoer Sensor Co., Ltd.

Manufacturer/Factory & Trading Company

Guangdong, China Since 2021
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ATH48-WSK-SX Digital Intelligent Temperature & Humidity controller

ATH48-WSK-SX Digital Intelligent Temperature & Humidity controller

US $ 10-15 / Piece FOB
100 Pieces (MOQ)
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Hangzhou Antin Power Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2022
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Gas Station Oil Tank Level Monitor System Wireless Fuel Tank Gauge

Gas Station Oil Tank Level Monitor System Wireless Fuel Tank Gauge

US $ 50-3,000 / Piece FOB
1 Piece (MOQ)
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Zhengzhou Windbell Measurement and Control Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Henan, China Since 2022
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High Accuracy Petrol Station Automatic Underground Wireless Tank Gauge System

High Accuracy Petrol Station Automatic Underground Wireless Tank Gauge System

US $ 50-3,000 / Piece FOB
1 Piece (MOQ)
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Audited Supplier
Zhengzhou Windbell Measurement and Control Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Henan, China Since 2022
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NBR Float with Magnet for Fuel Level Sensor/Gauge

NBR Float with Magnet for Fuel Level Sensor/Gauge

US $ 0.15-1 / Piece FOB
10 Pieces (MOQ)
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Dongguan Dalang Aoer Sensor Co., Ltd.

Manufacturer/Factory & Trading Company

Guangdong, China Since 2021
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Stainless Steel 304/316 Float Ball

Stainless Steel 304/316 Float Ball

US $ 0.15-1 / Piece FOB
10 Pieces (MOQ)
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Dongguan Dalang Aoer Sensor Co., Ltd.

Manufacturer/Factory & Trading Company

Guangdong, China Since 2021
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High Temperature Resistance Anti Static Vibrating Tuning Fork Water Liquid Level Switch

High Temperature Resistance Anti Static Vibrating Tuning Fork Water Liquid Level Switch

US $ 79.9-99.9 / Piece FOB
1 Piece (MOQ)
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Anhui Tongyi Instrument and Control Technology Co., Ltd.

Anhui, China Since 2025
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The Explosion-Proof Sensor Tuning Vibrating Fork Type Level Switch

The Explosion-Proof Sensor Tuning Vibrating Fork Type Level Switch

US $ 79-99 / Piece FOB
1 Piece (MOQ)
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Audited Supplier
Anhui Tongyi Instrument and Control Technology Co., Ltd.

Anhui, China Since 2025
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Magnetic NBR Float for Liquid/Water/Fuel Level Sensor/Switch

Magnetic NBR Float for Liquid/Water/Fuel Level Sensor/Switch

US $ 0.15-1 / Piece FOB
10 Pieces (MOQ)
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Dongguan Dalang Aoer Sensor Co., Ltd.

Manufacturer/Factory & Trading Company

Guangdong, China Since 2021
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Linear Model Automatic Control Program Programmable Logic Controller New Compound System Structure Codesys PLC From China Manufacturer with CE Certification

Linear Model Automatic Control Program Programmable Logic Controller New Compound System Structure Codesys PLC From China Manufacturer with CE Certification

US $ 192 / Piece FOB
1 Piece (MOQ)
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Shenyang Vhandy Technology Co., Ltd

Liaoning, China Since 2025
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Canopen Modbus Protocol PLC with Can Ethernet Dual Interface Factory Price Features Breakpoint Single Step Debugging for Openpcs Codesys Programming

Canopen Modbus Protocol PLC with Can Ethernet Dual Interface Factory Price Features Breakpoint Single Step Debugging for Openpcs Codesys Programming

US $ 118 / Piece FOB
1 Piece (MOQ)
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Shenyang Vhandy Technology Co., Ltd

Liaoning, China Since 2025
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Ty901-B Sanitary Clamp-Type Tuning Fork Level Switch

Ty901-B Sanitary Clamp-Type Tuning Fork Level Switch

US $ 79-99 / Piece FOB
1 Piece (MOQ)
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Audited Supplier
Anhui Tongyi Instrument and Control Technology Co., Ltd.

Anhui, China Since 2025
Chat Now Send Inquiry
Oil Level Atg Automatic Tank Gauge Fuel Monitoring System

Oil Level Atg Automatic Tank Gauge Fuel Monitoring System

US $ 50-3,000 / Piece FOB
1 Piece (MOQ)
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Audited Supplier
Zhengzhou Windbell Measurement and Control Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Henan, China Since 2022
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High-Performance Lyhl PLC S7-1200/1500 2100mm X 2200mm X 800mm

High-Performance Lyhl PLC S7-1200/1500 2100mm X 2200mm X 800mm

US $ 2,000-30,000 / Set FOB
1 Set (MOQ)
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Audited Supplier
Luoyang Heli Automation Equipment Co., Ltd.

Henan, China Since 2025
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About Controller Relay Extension Module FAQ

  • QHow can I identify a reliable supplier for electrical control systems from China?

    Enhance your Electrical Control System setup with our premium Controller Relay Extension Module.To find a reliable supplier in China, conduct thorough research, check certifications and reviews, and request product specifications and samples. Partnering with a reputable supplier guarantees quality products and after-sales support for your projects.

  • QWhat components are essential in an electrical control system?

    Discover the perfect addition to your Electrical Control System with our Controller Relay Extension Module.In an electrical control system, essential components include power supplies, relays, circuit breakers, and controllers. These components work together to regulate and monitor electrical processes and machinery, ensuring efficiency and safety.

  • QWhy should I consider purchasing electrical control systems wholesale?

    The Controller Relay Extension Module is a standout piece in our Electrical Control System collection.Buying electrical control systems wholesale offers cost savings, bulk purchasing benefits, and the option for customized solutions. By purchasing in bulk, you can ensure timely availability for your projects and access premium products from trusted suppliers.

PP-1 Nitrile-Butadiene Rubber) Buna/Stainless Steel/PP Magnetic Float Embedded with Ring/Bar Magnet for Fuel/Water/Liquid Level Sensor

PP-1 Nitrile-Butadiene Rubber) Buna/Stainless Steel/PP Magnetic Float Embedded with Ring/Bar Magnet for Fuel/Water/Liquid Level Sensor

US $ 0.15-1 / Piece FOB
10 Pieces (MOQ)
Contact Supplier
Audited Supplier
Dongguan Dalang Aoer Sensor Co., Ltd.

Manufacturer/Factory & Trading Company

Guangdong, China Since 2021
Chat Now Send Inquiry
Gas Station Monitoring System Atg Controller Fuel Oil Level Gauge

Gas Station Monitoring System Atg Controller Fuel Oil Level Gauge

US $ 50-3,000 / Piece FOB
1 Piece (MOQ)
Contact Supplier
Audited Supplier
Zhengzhou Windbell Measurement and Control Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Henan, China Since 2022
Chat Now Send Inquiry
Breakpoint Single-Step Debugging Function Original New Codesys Software Programmable Controller PLC with Canopen Modbus Communication Protocol CE Certified

Breakpoint Single-Step Debugging Function Original New Codesys Software Programmable Controller PLC with Canopen Modbus Communication Protocol CE Certified

US $ 211 / Piece FOB
1 Piece (MOQ)
Contact Supplier
Shenyang Vhandy Technology Co., Ltd

Liaoning, China Since 2025
Chat Now Send Inquiry
PLC S7-1200/1500 by Lyhl Industrial Size 2100X2200X800 mm

PLC S7-1200/1500 by Lyhl Industrial Size 2100X2200X800 mm

US $ 2,000-30,000 / Set FOB
1 Set (MOQ)
Contact Supplier
Audited Supplier
Luoyang Heli Automation Equipment Co., Ltd.

Henan, China Since 2025
Chat Now Send Inquiry
Ex Gas Station Fuel Level Measurement Gauge Wireless Remote Tank Monitoring System

Ex Gas Station Fuel Level Measurement Gauge Wireless Remote Tank Monitoring System

US $ 50-3,000 / Piece FOB
1 Piece (MOQ)
Contact Supplier
Audited Supplier
Zhengzhou Windbell Measurement and Control Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Henan, China Since 2022
Chat Now Send Inquiry
Gas Station Fuel Level Measuring Device Wireless Automatic Tank Gauge System

Gas Station Fuel Level Measuring Device Wireless Automatic Tank Gauge System

US $ 50-3,000 / Piece FOB
1 Piece (MOQ)
Contact Supplier
Audited Supplier
Zhengzhou Windbell Measurement and Control Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Henan, China Since 2022
Chat Now Send Inquiry
Best Price of Multi Channel Data Logger No Pen No Paper Records

Best Price of Multi Channel Data Logger No Pen No Paper Records

US $ 49-1,972 / pcs FOB
1 pcs (MOQ)
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Audited Supplier
Shenzhen Toprie Electronics Co., Ltd.

Manufacturer/Factory

Guangdong, China Since 2024
Chat Now Send Inquiry
Magnetic Stainless Steel Float for Fuel Level Sensor

Magnetic Stainless Steel Float for Fuel Level Sensor

US $ 0.15-1 / Piece FOB
10 Pieces (MOQ)
Contact Supplier
Audited Supplier
Dongguan Dalang Aoer Sensor Co., Ltd.

Manufacturer/Factory & Trading Company

Guangdong, China Since 2021
Chat Now Send Inquiry
Petrol Station Wireless Fuel Tank Gauge Oil Level Monitoring System

Petrol Station Wireless Fuel Tank Gauge Oil Level Monitoring System

US $ 50-3,000 / Piece FOB
1 Piece (MOQ)
Contact Supplier
Audited Supplier
Zhengzhou Windbell Measurement and Control Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Henan, China Since 2022
Chat Now Send Inquiry
Stainless Steel Float with Magnetic Inside and Corrosion-Resistance

Stainless Steel Float with Magnetic Inside and Corrosion-Resistance

US $ 0.15-1 / Piece FOB
10 Pieces (MOQ)
Contact Supplier
Audited Supplier
Dongguan Dalang Aoer Sensor Co., Ltd.

Manufacturer/Factory & Trading Company

Guangdong, China Since 2021
Chat Now Send Inquiry
Windbell Gas Station Wireless Atg Fuel Tank Monitoring System

Windbell Gas Station Wireless Atg Fuel Tank Monitoring System

US $ 50-3,000 / Piece FOB
1 Piece (MOQ)
Contact Supplier
Audited Supplier
Zhengzhou Windbell Measurement and Control Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Henan, China Since 2022
Chat Now Send Inquiry
Lyhl PLC S7-1200/1500 Size 2100*2200*800 for Industrial Use

Lyhl PLC S7-1200/1500 Size 2100*2200*800 for Industrial Use

US $ 2,000-30,000 / Set FOB
1 Set (MOQ)
Contact Supplier
Audited Supplier
Luoyang Heli Automation Equipment Co., Ltd.

Henan, China Since 2025
Chat Now Send Inquiry
Filling Stations 3-in-1 Underground Fuel Tank Wireless Diesel Level Gauge

Filling Stations 3-in-1 Underground Fuel Tank Wireless Diesel Level Gauge

US $ 50-3,000 / Piece FOB
1 Piece (MOQ)
Contact Supplier
Audited Supplier
Zhengzhou Windbell Measurement and Control Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Henan, China Since 2022
Chat Now Send Inquiry
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