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High Quality Wholesale Industrial Chlorine Controller with 2 Spst Relays for Water Quality

High Quality Wholesale Industrial Chlorine Controller with 2 Spst Relays for Water Quality

1 Piece (MOQ)
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Main Products: PH Meter, PH Senser
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Suzhou Delfino Environmental Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Jiangsu, China Since 2021
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Factory Price Wholesale Genuine New MW-Anly Aln-08A Electronic Water Level Controller Control Relay Switch Control

Factory Price Wholesale Genuine New MW-Anly Aln-08A Electronic Water Level Controller Control Relay Switch Control

US $ 16.39-19.39 / Piece FOB
1 Piece (MOQ)
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Shenzhen Leading International Trading Co., Ltd.

Guangdong, China Since 2024
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Wholesale Production of Various Safety Relay Controllers

Wholesale Production of Various Safety Relay Controllers

US $ 69-70 / Piece FOB
1 Piece (MOQ)
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Main Products: Mat Switch, Rubber Strip, Safety Edge Switch, Inflatable Rubber Strips, Safety Step Mat
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Qinghe County Hongli Rubber and Plastic Co., Ltd.

Manufacturer/Factory & Trading Company

Hebei, China Since 2023
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Wholesale High Quality Safety Relay Controller

Wholesale High Quality Safety Relay Controller

US $ 80 / Piece FOB
1 Piece (MOQ)
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Type : Electric Parameter Relay
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Qinghe County Hongli Rubber and Plastic Co., Ltd.

Manufacturer/Factory & Trading Company

Hebei, China Since 2023
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Stc-1000 Smart Digital Dual Relay Thermostat Cooling Heating Temperature Controller for Freezer Incubator

Stc-1000 Smart Digital Dual Relay Thermostat Cooling Heating Temperature Controller for Freezer Incubator

US $ 5-5.7 / Piece FOB
100 Pieces (MOQ)
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Main Products: Digital Thermometer, Temperature Controller, Digital Thermometer and Hygrometer, Electric Control Panel
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Xuzhou Sanhe Automatic Control Equipment Co., Ltd.

Manufacturer/Factory & Trading Company

Jiangsu, China Since 2010
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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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Certification : CE
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Shanghai Flexem Technology Co., Ltd.

Shanghai, China Since 2021
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RS485 Load Cell Weight Controller with Relay Output

RS485 Load Cell Weight Controller with Relay Output

US $ 115-120 / Piece FOB
1 Piece (MOQ)
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Main Products: Load Cell, Force Sensor, Torque Sensor
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Fibos Measurement Technology (Changzhou) Co., Ltd.

Manufacturer/Factory & Trading Company

Jiangsu, China Since 2022
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Supmeter Load Cell Indicator Simple Weighing Controller Embedded Installation Relay Weigh Controller

Supmeter Load Cell Indicator Simple Weighing Controller Embedded Installation Relay Weigh Controller

US $ 107-126 / Piece FOB
1 Piece (MOQ)
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Accuracy : 0.1g
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Changsha Supmeter Technological Co., Ltd.

Manufacturer/Factory

Hunan, China Since 2022
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Rex C900 Relay Solid State Relay Thermoelectric Even Display Temperature Controller Intelligent Pid Control with Alarm Function

Rex C900 Relay Solid State Relay Thermoelectric Even Display Temperature Controller Intelligent Pid Control with Alarm Function

US $ 3.99 / Piece FOB
1 Piece (MOQ)
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Main Products: Distribution Box, Switch Cabinet, Switchgear, Transformer, Substation, Electrical Accessories, Heat Shrink Tubing, Fuse, Circuit Breaker, SPD
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Zhejiang Gangkong Electric Co., Ltd

Zhejiang, China Since 2024
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Output SSR and Relay Industrial Temperature Controller Digital Thermostat CH502 All-Purpose Input

Output SSR and Relay Industrial Temperature Controller Digital Thermostat CH502 All-Purpose Input

US $ 5.88-6.78 / pieces FOB
1 pieces (MOQ)
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Customized : Non-Customized
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Yuanhuang Electric Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Zhejiang, 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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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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4-20mA Two Way Relay Alarm Electronic Pressure Controller

4-20mA Two Way Relay Alarm Electronic Pressure Controller

1 Piece (MOQ)
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Component : Mechanical Structure Type
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Shanghai TM Sensor Co., Ltd.

Manufacturer/Factory & Trading Company

Shanghai, China Since 2016
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24VDC Supply Stainless Steel One-way Relay Control Pressure Controller

24VDC Supply Stainless Steel One-way Relay Control Pressure Controller

US $ 35-45 / Piece FOB
2 Pieces (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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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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Material : Plastic
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Xiamen Foyum Electronic Technology Co., Ltd.

Manufacturer/Factory

Fujian, China Since 2024
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Advanced Chemical Pressure Controller with Reliable Relay Output

Advanced Chemical Pressure Controller with Reliable Relay Output

US $ 66.34-75.69 / Piece FOB
1 Piece (MOQ)
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Main Products: Instruments & Meters
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Jiangsu Aice Instrument Technology Co., Ltd.

Trading Company

Jiangsu, China Since 2023
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Advanced Solid State Relay Controller for Sustainable Lighting Solutions

Advanced Solid State Relay Controller for Sustainable Lighting Solutions

US $ 50-1,000 / Piece FOB
10 Pieces (MOQ)
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Beijing Fuanshi Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Hebei, China Since 2025
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DIN Rail Incubator Temperature Moisture Controller with 1 Relay

DIN Rail Incubator Temperature Moisture Controller with 1 Relay

US $ 22.6-23.5 / Piece FOB
1 Piece (MOQ)
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Main Products: Timer Switch, PCBA, Cam Switch, Contactor, Pushbutton Switch
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Yueqing Page Electrical Co., Ltd.

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2016
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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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Signal : Continuous
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Shenzhen Kernal Intelligent Technology Co., Ltd.

Trading Company

Guangdong, China Since 2024
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SSR/Relay Output Automatic Pid Temperature Control System Temperature Controller 50Hz/60Hz Digital Appliance Industrial Temperature Controller

SSR/Relay Output Automatic Pid Temperature Control System Temperature Controller 50Hz/60Hz Digital Appliance Industrial Temperature Controller

US $ 11.1-13.9 / Piece FOB
1 Piece (MOQ)
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Main Products: Switching Power Supply, Switch Power Supply, Power Supply, Switch Mode Power Supply, SMPS, LED Power Supply, Waterproof Power Supply, Dinrail Power Supply, Switching Mode Power Supply, Power Inverter
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Zhejiang Weihao Electronic Co., Ltd.

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2010
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Professional and Effective pH Controller for Hydroponics Solution with Dual Relay Outputs pH Range 0.00-14.00

Professional and Effective pH Controller for Hydroponics Solution with Dual Relay Outputs pH Range 0.00-14.00

US $ 100.8-125.4 / Piece FOB
50 Pieces (MOQ)
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Portable : Non Portable
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Kunshan Ast Optoelectronics Co., Ltd

Manufacturer/Factory & Trading Company

Jiangsu, China Since 2022
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Related Videos
  • What is Stc-1000 Smart Digital Dual Relay Thermostat Cooling Heating Temperature Controller for Freezer Incubator
    What is Stc-1000 Smart Digital Dual Relay Thermostat Cooling Heating Temperature Controller for Freezer Incubator
    US $ 5-5.7 /Piece
    100 Pieces (MOQ)
    Contact Supplier
  • 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 RS485 Load Cell Weight Controller with Relay Output
    What is RS485 Load Cell Weight Controller with Relay Output
    US $ 115-120 /Piece
    1 Piece (MOQ)
    Contact Supplier
  • What is Supmeter Load Cell Indicator Simple Weighing Controller Embedded Installation Relay Weigh Controller
    What is Supmeter Load Cell Indicator Simple Weighing Controller Embedded Installation Relay Weigh Controller
    US $ 107-126 /Piece
    1 Piece (MOQ)
    Contact Supplier
Replacement High Quality Bus Generator New Relay Box of Eddy Current Retarder for Bus Central Controller of Flood Retarder

Replacement High Quality Bus Generator New Relay Box of Eddy Current Retarder for Bus Central Controller of Flood Retarder

US $ 24-28.51 / pieces FOB
1 pieces (MOQ)
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Main Products: Generator, Compressor, Evaporating Fan, Condensing Fan, Bus Lamp, Bus Sensor, Bus A/C, Refrigerated Truck Unit, Bus Air Conditioning Roof
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Guangzhou Xusheng New Energy Technology Co., Ltd.

Trading Company

Guangdong, China Since 2025
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Automatic Power Factor Controller with L&T Apfc Relay Manual

Automatic Power Factor Controller with L&T Apfc Relay Manual

US $ 10 / Piece FOB
10 Pieces (MOQ)
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Phase : 3
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WENZHOU JUNKE ELECTRIC CO., LTD.

Zhejiang, China Since 2019
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Sil2 Certified Gas Alarm Controller with 3 Relay Outputs

Sil2 Certified Gas Alarm Controller with 3 Relay Outputs

US $ 580-1,260 / Piece FOB
1 Piece (MOQ)
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Main Products: Gas Detector, Portable Gas Detector, Gas Monitor, Fixed Gas Detector, Gas Detection System, Gas Analyzer, China Gas Detector, Gas Sensor, Dust Monitor, Gas Meter
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Nanjing AIYI Technologies Co., Ltd.

Jiangsu, China Since 2017
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About Wholesale Relay Controller FAQ

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

    The Wholesale Relay Controller is classified under our comprehensive Electrical Control System range.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.

  • QWhy should I consider purchasing electrical control systems wholesale?

    The Wholesale Relay Controller is an essential part of our Electrical Control System offerings.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?

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

ATD-650 Industry Protection Controller Low Voltage Motor Protector Relay with RS485 Protection Controller

ATD-650 Industry Protection Controller Low Voltage Motor Protector Relay with RS485 Protection Controller

US $ 100-180 / Piece FOB
1 Piece (MOQ)
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Usage : Multi-Functional Energy Meter, Watt-Hour Meter, Meter for Industry and Home Use, Standard Electric Energy Meter, Prepayment Meter, Reactive Energy Meter, Multi-rate Watt-hour Meters, Maximum Demand Meter
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Hangzhou Antin Power Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2022
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Digital Pressure Gauge Pressure Switch Controller with Relay Contact

Digital Pressure Gauge Pressure Switch Controller with Relay Contact

US $ 70-450 / Piece FOB
1 Piece (MOQ)
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Main Products: Pressure Gauge, Digital Pressure Gauge, Thermometer, Spare Parts
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Ankang Mano Instrument Co., Ltd.

Shaanxi, China Since 2025
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868MHz 5km Lora Remote Controller Wireless RF Receiver Switch on off Relay

868MHz 5km Lora Remote Controller Wireless RF Receiver Switch on off Relay

US $ 13-17 / Piece FOB
20 Pieces (MOQ)
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Application : Automatic Doors, Industrial Machinery, Special Equipment
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Shenzhen Kelvin Electronics Co., Ltd.

Manufacturer/Factory & Trading Company

Guangdong, China Since 2017
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RS485 Gas Alarm Controller Control Panel with 6 Passive Relay Output (KB6000III)

RS485 Gas Alarm Controller Control Panel with 6 Passive Relay Output (KB6000III)

US $ 320 / Piece FOB
5 Pieces (MOQ)
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Main Products: Portable Gas Detector, Combustible Gas Alarm, Breath Alcohol Tester, Fixed Gas Detector, Gas Detection System
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HANWEI ELECTRONICS GROUP CORPORATION

Manufacturer/Factory & Trading Company

Henan, China Since 2018
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HIMatrix Compact Systems Manual F3 DIO 16/801 F3 AIO 8/4 01 F3AIO8/401 F1 DI 16 01 F2DO1601 Safety Relay Controller

HIMatrix Compact Systems Manual F3 DIO 16/801 F3 AIO 8/4 01 F3AIO8/401 F1 DI 16 01 F2DO1601 Safety Relay Controller

US $ 123 / Piece FOB
1 Piece (MOQ)
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Information content : Data
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Amikon Limited

Fujian, China Since 2024
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Two Door Double Way Controller and Two Relay (inBio260)

Two Door Double Way Controller and Two Relay (inBio260)

US $ 140-150 / Piece FOB
1 Piece (MOQ)
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Main Products: Fingerprint Access Control, Fingerprint Time Attendance, Acess Control Systems, RFID Access Control, Fingerprint Lock, Proximity Card Reader, Magnetic Lock, Electric Lock, Guard Tour Patrol System, Fingerprint
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Granding Technology Co., Ltd.

Shanghai, China Since 2008
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4G Version GSM-Relay Compatible 3G and GSM Seven Relay Output GSM Remote Controller

4G Version GSM-Relay Compatible 3G and GSM Seven Relay Output GSM Remote Controller

US $ 120-200 / Set FOB
1 Set (MOQ)
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Certification : CE
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Shanghai Wafer Microelectronics Co., Ltd.

Shanghai, China Since 2009
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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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Deif Generator Controller Medium Voltage Relay Mvr-200

Deif Generator Controller Medium Voltage Relay Mvr-200

US $ 100-200 / Piece FOB
1 Piece (MOQ)
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Material : Plastic
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Jinan Cusun Mach Co., Ltd.

Shandong, China Since 2021
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New Digital Display H3y-2 H3y-4 Powered Delay Controller 12V 24V 220V with Base Cycle Time Relay

New Digital Display H3y-2 H3y-4 Powered Delay Controller 12V 24V 220V with Base Cycle Time Relay

US $ 3.45-3.6 / Piece FOB
20 Pieces (MOQ)
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Main Products: Temperature Humidity Meter, Electronic Module, Digital Voltmeter
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Shenzhen Tianhehuijin Tech Ltd

Trading Company

Guangdong, China Since 2025
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Alco PS3 Series Pressure Switch Pressure Control Relay Controller

Alco PS3 Series Pressure Switch Pressure Control Relay Controller

US $ 278-326 / piece/pieces FOB
2 piece/pieces (MOQ)
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Hangzhou Sino-Cold Sci-Tech Co., Ltd.

Trading Company

Zhejiang, China Since 2023
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Complexity Ec7890b1028 Relay Modules Program Controller for Burners Parts

Complexity Ec7890b1028 Relay Modules Program Controller for Burners Parts

US $ 345-370 / Piece FOB
1 Piece (MOQ)
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Main Products: Pump Water Pump Cooler Alternator Gear Pump, Valve Solenoid Valve Belt Radiator Tube Braker, Motor Starter Switch Generator Hose Pipe, Engine Parts ECU Gasket Oil Seal Water Seal, Filter Separator Injector Gear Box Fan Cable, Contactor Sensor Encoder Relay Tubor Charger, Excavator Loader Pump Truck Concrete Mixer, Construction Equipment Spare Parts Bearing, Auto Parts Forklift Backhoe Dump Truck Parts, Concrete Pump Truck Parts Cleaning Ball Machine
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Xiangtan Xuge Commerce Co., Ltd

Hunan, China Since 2025
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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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Mathematical Model : Linear
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Beijing Zhongping Technology Co., Ltd.

Trading Company

Beijing, China Since 2025
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