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Relay Controller

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Temperature Control Remote Control Temperature Sensor PLC Temperature Controller Digital Temperature Controller

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Flexem PLC FC5-30MN-DC Controller, 18 Inputs, 12 Relay Outputs, IEC 61131-3 Programming

Flexem PLC FC5-30MN-DC Controller, 18 Inputs, 12 Relay Outputs, IEC 61131-3 Programming

US $ 153.99-219 / Piece FOB
1 Piece (MOQ)
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Main Products: HMI, PLC, Scada, Industrial Iot, Iot Gateway, Customized HMI, Customized PLC, Touch Screen, Remote Intelligent Communication Devices
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Shanghai Flexem Technology Co., Ltd.

Shanghai, China Since 2021
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2080-LC50-48awb Ab Digital Relay Outputs I/O Unit Micro 850 Controller

2080-LC50-48awb Ab Digital Relay Outputs I/O Unit Micro 850 Controller

US $ 294.9 / Piece FOB
1 Piece (MOQ)
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Customized : Non-Customized
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Shenzhen Kernal Intelligent Technology Co., Ltd.

Trading Company

Guangdong, China Since 2024
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Manufacturers Relay Output Controller S272 with RS485 8DI 6AI TH for Transformer Stations

Manufacturers Relay Output Controller S272 with RS485 8DI 6AI TH for Transformer Stations

US $ 130-178 / Piece FOB
1 Piece (MOQ)
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Main Products: IoT Gateways, 4G M2m RTU, Ethernet I/O Module, Industrial Computer, Industrial 4G Edge Router
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Shenzhen Beilai Technology Co., Ltd.

Guangdong, China Since 2023
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Allen Bradl-Ey Orginal New 1756-Ox8ik Control 8 PT Digital Relay Mode 1756-PA30xt 1756-PA50 PLC Controller 17560X8ik

Allen Bradl-Ey Orginal New 1756-Ox8ik Control 8 PT Digital Relay Mode 1756-PA30xt 1756-PA50 PLC Controller 17560X8ik

US $ 800 / Piece FOB
1 Piece (MOQ)
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Function : Automatic Control, Protection, Monitoring, Measurement
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Xiamen Yuanxin Trading Co., Ltd

Trading Company

Fujian, China Since 2025
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Universal signal input light bar display Support 4-way alarm output 220V supply 2-way relay alarm controller

Universal signal input light bar display Support 4-way alarm output 220V supply 2-way relay alarm controller

US $ 25-35 / Piece FOB
1 Piece (MOQ)
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Main Products: Pressure Sensor, Pressure Switch, Water Level Sensor, Flow Meter, Differential Pressure Sensor, Pressure Transmitter, Flow Switch, Magnetic Flow Meter, Level Transmitter, Temperature Transmitter
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Nanjing Hangjia Electronic Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Jiangsu, China Since 2019
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Automatic Device Wdh-31-500 Multifunctional Control Relay Soe Record Customized Motor Controller

Automatic Device Wdh-31-500 Multifunctional Control Relay Soe Record Customized Motor Controller

US $ 90-290 / Piece FOB
1 Piece (MOQ)
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Function : Protection
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Jiangsu Sfere Electric Co., Ltd.

Manufacturer/Factory & Trading Company

Jiangsu, China Since 2023
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Fx3u-80mr/Ds Programmable Controller for Mitsubishi PLC Controller DC 24V 40 Industrial Ect Output Relay Fx3u-80mr/Ds

Fx3u-80mr/Ds Programmable Controller for Mitsubishi PLC Controller DC 24V 40 Industrial Ect Output Relay Fx3u-80mr/Ds

US $ 820-1,100 / Piece FOB
1 Piece (MOQ)
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Main Products: Servo Drive, Inverter, PLC, Servo Motor, HMI
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Shantou Sikinta Automation Equipment Co., Ltd.

Trading Company

Guangdong, China Since 2025
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GSM 3G 4G Gate Opener Intelligent Remote Relay Controller for Home and Industrial Scene

GSM 3G 4G Gate Opener Intelligent Remote Relay Controller for Home and Industrial Scene

US $ 34-58 / Piece FOB
1 Piece (MOQ)
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Condition : New
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Shenzhen Beilai Technology Co., Ltd.

Guangdong, China Since 2023
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100% New Original 254 Conn 4MB Safety Relays Controller Safety CPU Units Nxsl5700 G2r-1A-Asi-24VDC Cp1w-CIF12-V1 D4ns-Sk30 S8vk-S24024 3G3mx2-A4007-Zv1

100% New Original 254 Conn 4MB Safety Relays Controller Safety CPU Units Nxsl5700 G2r-1A-Asi-24VDC Cp1w-CIF12-V1 D4ns-Sk30 S8vk-S24024 3G3mx2-A4007-Zv1

US $ 100-1,000 / Piece FOB
1 Piece (MOQ)
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Main Products: DuPont Plastic Raw Material, Elvamide, PA/ABS PA46 PA6 PA6/66 PA612 PA66 PBT PC PC/ABS, CPE Poe SBR Sbs SEBS Sis TPE Tpee Tpo TPR Tpsiv, ABS Adpoly as(San) Ca Cab Eaa EVA GPPS HDPE HIPS, Metalwork, Plastic Semi-Finished Products
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Tianjin Geely New Material Technology Co., Ltd.

Tianjin, China Since 2022
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Simple Single Loop Digital Display Control Instrument temperature control pressure control relay switch on off temperature controller

Simple Single Loop Digital Display Control Instrument temperature control pressure control relay switch on off temperature controller

US $ 40-65 / Piece FOB
1 Piece (MOQ)
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Function : Automatic Control, Protection, Monitoring, Measurement
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Nanjing Hangjia Electronic Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Jiangsu, China Since 2019
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Mochuan Programmable Relay Smart Home PLC Controller

Mochuan Programmable Relay Smart Home PLC Controller

US $ 105-120 / Piece FOB
1 Piece (MOQ)
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Main Products: PLC Programmable Logic Controller, HMI, Switching Power Supply, PLC Controller, Human Machine Interface, HMI Touch Screen Panel, HMI Monitor, China HMI Factory, HMI Panel, Industrial HMI Panel
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Wuxi Mochuan Drives Technology Co., Ltd

Jiangsu, China Since 2022
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Switching Time Controller Electronic Digital Power Programmable Timer Round Time Relay Switch

Switching Time Controller Electronic Digital Power Programmable Timer Round Time Relay Switch

US $ 4.42 / Piece FOB
100 Pieces (MOQ)
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Mathematical Model : Non-Linear
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Zhejiang Shuntong Electric Co., Ltd.

Zhejiang, China Since 2017
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Industrial-Grade RTU5024 Wireless Relay Controller for Remote Machine Switching

Industrial-Grade RTU5024 Wireless Relay Controller for Remote Machine Switching

US $ 34-58 / Piece FOB
1 Piece (MOQ)
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Main Products: IoT Gateways, 4G M2m RTU, Ethernet I/O Module, Industrial Computer, Industrial 4G Edge Router
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Shenzhen Beilai Technology Co., Ltd.

Guangdong, China Since 2023
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High-Performance GSM/GPRS/3G/4G S272 SMS Relay Controller for Oil and Gas Pipelines

High-Performance GSM/GPRS/3G/4G S272 SMS Relay Controller for Oil and Gas Pipelines

US $ 130-178 / Piece FOB
1 Piece (MOQ)
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Signal : Continuous
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Shenzhen Beilai Technology Co., Ltd.

Guangdong, China Since 2023
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CPU Module Relay Cp1l-Em40dr-D Cp1w-20EDR1 Cp1w-8et1 PLC Programmable Controller for Omron

CPU Module Relay Cp1l-Em40dr-D Cp1w-20EDR1 Cp1w-8et1 PLC Programmable Controller for Omron

US $ 60 / Piece FOB
3 Pieces (MOQ)
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Main Products: HMI, Frequency Inverter, PLC, Servo Motor, Motor Driver, PLC Module, VFD, Circuit Breaker, Power Supply
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Shantou Xinshide Automation Equipment Co., Ltd.

Guangdong, China Since 2025
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Flexem PLC FC5-20MN-DC Controller, 12 Inputs, 8 Relay Outputs, 1 Ethernet Port

Flexem PLC FC5-20MN-DC Controller, 12 Inputs, 8 Relay Outputs, 1 Ethernet Port

US $ 121.99-173 / Piece FOB
1 Piece (MOQ)
More
Customized : Non-Customized
Contact Supplier
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Shanghai Flexem Technology Co., Ltd.

Shanghai, China Since 2021
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Low Price GSM 3G 4G Wireless Remote Relay Controller for Industrial Equipment

Low Price GSM 3G 4G Wireless Remote Relay Controller for Industrial Equipment

US $ 34-58 / Piece FOB
1 Piece (MOQ)
More
Main Products: IoT Gateways, 4G M2m RTU, Ethernet I/O Module, Industrial Computer, Industrial 4G Edge Router
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Audited Supplier
Shenzhen Beilai Technology Co., Ltd.

Guangdong, China Since 2023
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Secure Remote RTU5024 GSM 3G 4G Relay Controller for Gates Doors and Machines

Secure Remote RTU5024 GSM 3G 4G Relay Controller for Gates Doors and Machines

US $ 34-58 / Piece FOB
1 Piece (MOQ)
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Condition : New
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Shenzhen Beilai Technology Co., Ltd.

Guangdong, China Since 2023
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Dew Point Control Touch Screen Heatless Desiccant Air Dryer Controller

Dew Point Control Touch Screen Heatless Desiccant Air Dryer Controller

US $ 100-200 / Piece FOB
1 Piece (MOQ)
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Main Products: Smoke Detector, Air Dryer Controller, Water Leak Detector, Dew Point Sensor, Refrigerated Air Dryer Controller, Combined Dryer Controller, Telecom Base Station Environment Monitoring
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Hangzhou Xinjian Electronic Co., Ltd.

Zhejiang, China Since 2024
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Allen Bradl-Ey New Original 1769-Iq6xow4 PLC Controller 10PT 24VDC D/I Relay D/O Module 1769-IR6 1769-It6PLC Controller 1769lq6xow4

Allen Bradl-Ey New Original 1769-Iq6xow4 PLC Controller 10PT 24VDC D/I Relay D/O Module 1769-IR6 1769-It6PLC Controller 1769lq6xow4

US $ 800 / acres FOB
1 acres (MOQ)
More
Function : Automatic Control, Protection, Monitoring, Measurement
Contact Supplier
Audited Supplier
Xiamen Yuanxin Trading Co., Ltd

Trading Company

Fujian, China Since 2025
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Related Videos
  • What is Flexem PLC FC5-30MN-DC Controller, 18 Inputs, 12 Relay Outputs, IEC 61131-3 Programming
    What is Flexem PLC FC5-30MN-DC Controller, 18 Inputs, 12 Relay Outputs, IEC 61131-3 Programming
    US $ 153.99-219 /Piece
    1 Piece (MOQ)
    Contact Supplier
  • What is Manufacturers Relay Output Controller S272 with RS485 8DI 6AI TH for Transformer Stations
    What is Manufacturers Relay Output Controller S272 with RS485 8DI 6AI TH for Transformer Stations
    US $ 130-178 /Piece
    1 Piece (MOQ)
    Contact Supplier
  • What is Automatic Device Wdh-31-500 Multifunctional Control Relay Soe Record Customized Motor Controller
    What is Automatic Device Wdh-31-500 Multifunctional Control Relay Soe Record Customized Motor Controller
    US $ 90-290 /Piece
    1 Piece (MOQ)
    Contact Supplier
  • What is GSM 3G 4G Gate Opener Intelligent Remote Relay Controller for Home and Industrial Scene
    What is GSM 3G 4G Gate Opener Intelligent Remote Relay Controller for Home and Industrial Scene
    US $ 34-58 /Piece
    1 Piece (MOQ)
    Contact Supplier
Durable Safety Relay Valve Controller, Lock Safety-Door Switch, Solenoid Component

Durable Safety Relay Valve Controller, Lock Safety-Door Switch, Solenoid Component

US $ 275 / Piece FOB
5 Pieces (MOQ)
More
Main Products: PLC Valve
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Shenzhen Guoxin Automation Technology Co., Ltd.

Trading Company

Guangdong, China Since 2024
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Low Voltage Motor Protection Relay Controller

Low Voltage Motor Protection Relay Controller

US $ 94.8-646 / Piece FOB
1 Piece (MOQ)
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Condition : New
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Jiangsu Acrel Microgrid Institute Co., Ltd

Jiangsu, China Since 2020
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Flexem PLC FC5-30MR-AC Controller, 18 Inputs, 12 Relay Outputs

Flexem PLC FC5-30MR-AC Controller, 18 Inputs, 12 Relay Outputs

US $ 160.99-230 / Piece FOB
1 Piece (MOQ)
More
Main Products: HMI, PLC, Scada, Industrial Iot, Iot Gateway, Customized HMI, Customized PLC, Touch Screen, Remote Intelligent Communication Devices
Contact Supplier
Audited Supplier
Shanghai Flexem Technology Co., Ltd.

Shanghai, China Since 2021
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About Relay Controller FAQ

  • QWhy should I consider purchasing electrical control systems wholesale?

    Discover the perfect Electrical Control System addition with our Relay Controller.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.

  • QWhat components are essential in an electrical control system?

    Our Relay Controller offers exceptional quality within the Electrical Control System category.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.

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

    The Relay Controller is a standout piece in our Electrical Control System collection.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.

R4343e1014 Flame Relay Burner Controller Replace Honeywell R4343 E1014 Flame Safeguard

R4343e1014 Flame Relay Burner Controller Replace Honeywell R4343 E1014 Flame Safeguard

US $ 40-60 / Piece FOB
1 Piece (MOQ)
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Customized : Non-Customized
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Shenzhen Tengjing Electronics Co., Ltd

Guangdong, China Since 2023
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RF Wireless Remote Controller Switch 433MHz AC 220V Relay Motor Water Pump Door Access System for Car Power Gate 315MHz Frequency

RF Wireless Remote Controller Switch 433MHz AC 220V Relay Motor Water Pump Door Access System for Car Power Gate 315MHz Frequency

US $ 3.5-4.6 / Piece FOB
100 Pieces (MOQ)
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Main Products: Remote Control
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Xiamen Foyum Electronic Technology Co., Ltd.

Manufacturer/Factory

Fujian, China Since 2024
Chat Now Send Inquiry
Flexem PLC FC5-20MR-AC Controller, 12 Inputs, 8 Relay Outputs

Flexem PLC FC5-20MR-AC Controller, 12 Inputs, 8 Relay Outputs

US $ 129.99-184 / Piece FOB
1 Piece (MOQ)
More
Task : Program
Contact Supplier
Audited Supplier
Shanghai Flexem Technology Co., Ltd.

Shanghai, China Since 2021
Chat Now Send Inquiry
3rh6140-1kf40 Contactor AC DC Intermediate Relay Low Voltage PLC Programming Controller

3rh6140-1kf40 Contactor AC DC Intermediate Relay Low Voltage PLC Programming Controller

US $ 30-500 / Piece FOB
1 Piece (MOQ)
More
Main Products: HMI, PLC, Inverter, Motor, Driver, Circut Breaker, Sensor, Hot Melt Glue
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Guangzhou he Neng Automation Equipment Co. , Ltd.

Trading Company

Guangdong, China Since 2022
Chat Now Send Inquiry
Mochuan China Automation Ethernet Relay Control Module Transistor Controller

Mochuan China Automation Ethernet Relay Control Module Transistor Controller

US $ 175-190 / Piece FOB
1 Piece (MOQ)
More
Function : Automatic Control, Monitoring
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Audited Supplier
Wuxi Mochuan Drives Technology Co., Ltd

Jiangsu, China Since 2022
Chat Now Send Inquiry
Elecnova Wdh-31-500 Series Industrial Update Wide Range Programmable Relay Output Intelligent Electric Motor Controller

Elecnova Wdh-31-500 Series Industrial Update Wide Range Programmable Relay Output Intelligent Electric Motor Controller

US $ 90-290 / Piece FOB
1 Piece (MOQ)
More
Main Products: Multi-Functional Power Meter, Power Quality Mitigation Solution, Motor Controller & Protection, Power Monitoring System, Data Center Power Monitoring System
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Audited Supplier
Jiangsu Sfere Electric Co., Ltd.

Manufacturer/Factory & Trading Company

Jiangsu, China Since 2023
Chat Now Send Inquiry
Mochuan Drives Factor Low Cost Panel HMI Relay Interface Modules Human Interfere Controller

Mochuan Drives Factor Low Cost Panel HMI Relay Interface Modules Human Interfere Controller

US $ 155-170 / Piece FOB
1 Piece (MOQ)
More
Signal : Continuous
Contact Supplier
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Wuxi Mochuan Drives Technology Co., Ltd

Jiangsu, China Since 2022
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Suzhuki Power Automatic Compensation Controller with Epcos Power Factor Relay

Suzhuki Power Automatic Compensation Controller with Epcos Power Factor Relay

US $ 10 / Piece FOB
10 Pieces (MOQ)
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Main Products: Automatic Transfer Swtich, Power Capacitor, Air Circuit Breaker, Single Meter Socket, Online Soft Starter, Power Factor Correction Device, Energy Meter, Distribution Panel, AC Contactor, Moulded Case Circuit Breaker
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WENZHOU JUNKE ELECTRIC CO., LTD.

Zhejiang, China Since 2019
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Original Siemens S7-200 CPU 226 PLC Module 6es7216-2bd23-0xb8, 24V DC Power, 24di/16do Relay, Compact Controller

Original Siemens S7-200 CPU 226 PLC Module 6es7216-2bd23-0xb8, 24V DC Power, 24di/16do Relay, Compact Controller

US $ 100-180 / Piece FOB
1 Piece (MOQ)
More
Function : Automatic Control
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Guangzhou he Neng Automation Equipment Co. , Ltd.

Trading Company

Guangdong, China Since 2022
Chat Now Send Inquiry
Xinje Xc3-19ar-E PLC Relay Output Control Cabinet Controller

Xinje Xc3-19ar-E PLC Relay Output Control Cabinet Controller

1 Piece (MOQ)
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Main Products: PLC, VFD, Breaker, Inverter, Switch, Pump, Hydraulic
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Beijing Zhongping Technology Co., Ltd.

Trading Company

Beijing, China Since 2025
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Flexem PLC FC5-40MN-DC Controller, 24 Inputs, 16 Relay Outputs, 1 Ethernet Port

Flexem PLC FC5-40MN-DC Controller, 24 Inputs, 16 Relay Outputs, 1 Ethernet Port

US $ 175.99-250 / Piece FOB
1 Piece (MOQ)
More
Customized : Non-Customized
Contact Supplier
Audited Supplier
Shanghai Flexem Technology Co., Ltd.

Shanghai, China Since 2021
Chat Now Send Inquiry
Motor Relay Wdh-31-533 Controller 16 Types Motor Protection

Motor Relay Wdh-31-533 Controller 16 Types Motor Protection

US $ 195-250 / Piece FOB
1 Piece (MOQ)
More
Main Products: Multi-Functional Power Meter, Power Quality Mitigation Solution, Motor Controller & Protection, Power Monitoring System, Data Center Power Monitoring System
Contact Supplier
Audited Supplier
Jiangsu Sfere Electric Co., Ltd.

Manufacturer/Factory & Trading Company

Jiangsu, China Since 2023
Chat Now Send Inquiry
Se TM221CE40r Logic Controller, Modicon M221, 40 Io Relay, Ethernet Interface

Se TM221CE40r Logic Controller, Modicon M221, 40 Io Relay, Ethernet Interface

US $ 100-250 / Piece FOB
1 Piece (MOQ)
More
Task : Program
Contact Supplier
Audited Supplier
Sichuan Oneket Science&Technology Co., Ltd

Trading Company

Sichuan, China Since 2024
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