Digital Reverse Power Relay Manufacturers Iot Modbus Support

Verified suppliers · 3 lists

Shenzhen Zhiqian Internet Of Things Electronic Technology Co., Ltd.

Shenzhen Zhiqian Internet Of Things Electronic Technology Co., Ltd.

· 1 yrs · Guangdong, CN 🇨🇳
Matches
5 / 5

Well-suited supplier in Communication & Networking Product
5.0/5.0 (3)
Rating
<15%
Reorder
100.0%
On-time
≤4h
Reply
Main categories
Ethernet & Communication Modules Other Communication & Networking Product Other Electronic Components
2 4 8 16 Channel IoT Relay Controller with DI AI RS485 WiFi Ethernet Modbus MQTT HTTP Support Private Cloud
ZQWL 8-Channel Ethernet IoT Relay Controller NET8800M Ethernet/CAN/RS485 Modbus RTU/TCP Custom Protocol Public/Private Cloud
Pulse Counter Module 2DI 2DO with ASCII Control, RS485 ModBus Programmable
$10.80-85.50
MOQ : 1 piece
$62.80-80.80
MOQ : 1 piece
$15.50-19.50
MOQ : 1 piece
Contact
Shenzhen FlyFun Technology Co.,Ltd.

Shenzhen FlyFun Technology Co.,Ltd.

· 12s yrs · Guangdong, CN 🇨🇳
Matches
5 / 5

Overseas warehousing available

Trusted supplier in ICs
4.9/5.0 (21)
Rating
<15%
Reorder
96.7%
On-time
≤7h
Reply
Main categories
RC Parts & Accs Other Electronic Components LCD Modules
DIYmall DC 5V 2 Channel Relay Module G3MB-202P SSR Solid State Relay 240VAC 2A High Level Trigger for Arduino for IOT Control
Universal 433MHz Wireless DC 6V 12V 24V 30V 2Channel Remote Control Switch Dry Contact Relay Receiver for Motor Gate Door Light
DC12V 16 Channel RS485 Modbus RTU Relay Module Remote Control Switch PLC Expansion Board for LED Motor PTZ Camera Smart Home
$1.99-2.29
MOQ : 50 pieces
$0.99-3.99
MOQ : 10 pieces
$22.60-24.70
MOQ : 30 pieces
Contact
Acrel E-Business (shanghai) Co., Ltd.

Acrel E-Business (shanghai) Co., Ltd.

Verified Manufacturer · 8s yrs · Shanghai, CN 🇨🇳
Matches
5 / 5

Comply with ISO standards

Dedicated R&D team with 144 engineers

On-site engineer support service includes debugging, maintain, repair

4.8/5.0 (24)
Rating
11%
Reorder
92.2%
On-time
≤3h
Reply
Main categories
Energy Meters Current Sensors Temperature Sensors
Acrel AM5SE-IS Anti Islanding protection Relay Supports Reverse Power protection for 35KV System
Acrel AM5SE-F 32R Reverse Power Synchro-check 25 35KV protection Relay with Ethernet Port
Acrel AM2SE-V Complete Set of Industrial Digital Protection Relay for Energy Meters Enhanced Protection Features
$777
MOQ : 5 pieces
$777
MOQ : 5 pieces
$210
MOQ : 1 unit
Contact
Changsha Ztware Iot Technology Co., Ltd.

Changsha Ztware Iot Technology Co., Ltd.

· 1 yrs · Hunan, CN 🇨🇳
Matches
5 / 5

Reliable supplier in Input and Output(IO)
<15%
Reorder
100.0%
On-time
≤8h
Reply
US $2,900+
Transactions
Main categories
I/O Relay Module and Racks Other Communication & Networking Product
RS232/RS485 Modbus RTU Protocol 4DI 4DO Digital Input/Output Relay Control Board with Housing Smart Home IoT Module
RS232 RS485 Modbus 4 Digital Input 4 Relay Output 2 Analog Input/Output DC9-48V DIN Rail I/O Module for Industrial Automation
4DI 4DO 2AI 2AO Expansion Board Digital Analog IO PLC RS232 RS485 Modbus 4 Relay IO Module DC9-48V
$12.50-16.80
MOQ : 10 pieces
$17-24.50
MOQ : 10 pieces
$17-24.50
MOQ : 10 pieces
Contact
Foshan Qingjun Electronics Co., Ltd.

Foshan Qingjun Electronics Co., Ltd.

· 8s yrs · Guangdong, CN 🇨🇳
Matches
5 / 5

Top 20% for orders in Relays

Competitive supplier in Relays
4.7/5.0 (10)
Rating
<15%
Reorder
98.4%
On-time
≤2h
Reply
Main categories
PLC, PAC, & Dedicated Controllers Other Electrical Equipment
Huaqingjun 8-Channel Inputs Outputs RS485 LAN Relay Module IO Modbus RTU & TCP RJ45 SPDT G2R-1 Relays for Greenhouse
Huaqingjun 4-Channel Inputs Outputs RS485 Ethernet Relay Module IO Modbus RTU/TCP G2R-1 SPDT 10A RJ45 Relays for PLC
Huaqingjun 20-Channel IO RS485 Ethernet Relay Module Modbus RTU & TCP G2R-1 10A Input NPN PNP RJ45 Relays for Smart Home
$43-48
MOQ : 1 piece
$30-35
MOQ : 1 piece
$87-92
MOQ : 1 piece
Contact
Chengdu Zongheng Intelligence Control Technology Co., Ltd.

Chengdu Zongheng Intelligence Control Technology Co., Ltd.

· 7s yrs · Sichuan, CN 🇨🇳
Matches
5 / 5

Trusted supplier in Relays
4.9/5.0 (33)
Rating
18%
Reorder
98.3%
On-time
≤3h
Reply
Main categories
Ethernet & Communication Modules Other Communication & Networking Product Industrial Computer & Accessories
Isolated RS485 Modbus Repeater ICs Signal Amplifier Distance Extender Booster
IoT Communication RTU Controller Industrial MQTT Server LTE Cat-1 Gateway with RS485 for Smart Factory DIN Rail
$15-19
MOQ : 1 piece
$49-69
MOQ : 1 piece
Contact
Shenzhen HYZK Electronics Co., Ltd.

Shenzhen HYZK Electronics Co., Ltd.

· 2s yrs · Guangdong, CN 🇨🇳
Matches
5 / 5

Well-suited supplier in Electronic Components
4.9/5.0 (28)
Rating
<15%
Reorder
97.5%
On-time
≤2h
Reply
Main categories
PCBA Double-sided PCB Other Electronic Components
Mini 6-24V Bistable Self-Locking Flip-Flop Latch Relay Module Board IO25B01 for Power Management with Low Pulse Trigger
$1.54-1.89
MOQ : 1 bag
Contact
Shenzhen Shchv Technology Co., Ltd.

Shenzhen Shchv Technology Co., Ltd.

· 6s yrs · Guangdong, CN 🇨🇳
Matches
5 / 5

Reliable supplier in Solid State Relays
4.7/5.0 (75)
Rating
32%
Reorder
100.0%
On-time
≤6h
Reply
Main categories
Other Electronic Accessories Other Electronic Modules and Kits Development Boards, Kits
3 Channel Relay Module Expansion Board 3 Way Relay Controls GPIO-interface Module for Raspberry Pi 5 / 4B / 3B+ in Smart Home
Industrial 6-Channel ESP32-S3 WiFi Relay Module Supports WiFi / / RS485 Control Onboard RS485 / Pico HAT Interfaces
Industrial Modbus RTU 8-ch Relay Module (B) with RS485 Interface Multi Isolation Protection Circuits, 7V-36V Power Supply
$10.32-10.64
MOQ : 1 piece
$29.42
MOQ : 1 piece
$25.99
MOQ : 1 piece
Contact
Shenzhen Xinlihui Electronics Co., Ltd.

Shenzhen Xinlihui Electronics Co., Ltd.

· 3s yrs · Guangdong, CN 🇨🇳
Matches
5 / 5

Competitive supplier in Relays
4.9/5.0 (54)
Rating
<15%
Reorder
98.6%
On-time
≤10h
Reply
Main categories
Other Electronic Components Remote Control Switches Battery Testers
8 Channel RS485 Ethernet WiFi Network Relay IO Controller USR-IO808-EWR Support Modbus
B04C-Wireless ESP32 RS485 Modbus Relay Module With 4 Channel TYPE-C 7-24V CH340 for Modbus
$68.50-72
MOQ : 1 piece
$9.80-10.09
MOQ : 2 pieces
Contact
Shenzhen Qinli Electronic Technology Co., Ltd.

Shenzhen Qinli Electronic Technology Co., Ltd.

· 5s yrs · Guangdong, CN 🇨🇳
Matches
5 / 5

Top 20% for buyers in Relays

Reliable supplier in Electronic Components
4.8/5.0 (274)
Rating
39%
Reorder
97.5%
On-time
≤4h
Reply
Main categories
Other Electronic Components Remote Control Switches Other PCB & PCBA
RS485 RS232(TTL) PLC Modbus Rtu Module 8ch IO Control Switch Board for Relay Industrial automation
32ch DC 12V RS-485 Modbus RTU Relay Board RS485 Bus Remote Control Switch for LED Motor PLC PTZ Camera Smart Home
$3-3.20
MOQ : 10 pieces
$35-40
MOQ : 1 piece
Contact
Shenzhen Gintech Electronic Trade Co., Limited

Shenzhen Gintech Electronic Trade Co., Limited

· 1 yrs · Guangdong, CN 🇨🇳
Matches
5 / 5

Well‑matched supplier in Ethernet & Communication Modules
5.0/5.0 (37)
Rating
35%
Reorder
97.5%
On-time
≤3h
Reply
Main categories
Development Boards, Kits LCD Modules OLED/E-Paper Modules
Waveshare 16-Ch Ethernet Relay Module Modbus RTU/TCP Protocol Supports PoE Power Supply for Smart Home
Waveshare Industrial Modbus RTU 4-ch Relay Module with RS485 Interface Onboard LED Indicators Rail-Mount China
Waveshare Industrial-grade Isolated 4-Ch RS485 Hub (RS485-HUB-4P) Rail-mount Support Wide Baud Rate Range Isolation Signal Stock
$46.92-50.37
MOQ : 1 piece
$27.83-31.28
MOQ : 1 piece
$16-17.27
MOQ : 1 piece
Contact
Shenzhen Goldtech Electronics Co., Limited

Shenzhen Goldtech Electronics Co., Limited

Verified Manufacturer · 7s yrs · Guangdong, CN 🇨🇳
Matches
5 / 5

100% quality control across all production lines

Provides e-commerce design services

15 years of experience in exporting

4.9/5.0 (34)
Rating
18%
Reorder
69.1%
On-time
≤9h
Reply
Main categories
Other Electronic Components Ferrites old Specialized ICs
Modbus-RTU 1/2/4/8-Channel Relay Module with Digital Input/Output and RS485/TTL Communication
Industrial-grade RS485 Relay 8-channel / 16-channel / 32-channel Switch Input/output Modbus RTU
$1.90-7.60
MOQ : 1 piece
$29.90-65.78
MOQ : 1 piece
Contact
Shenzhen ATC Technology Co.,Ltd

Shenzhen ATC Technology Co.,Ltd

· 20s yrs · Guangdong, CN 🇨🇳
Matches
5 / 5

Well‑matched supplier in Input and Output(IO)
5.0/5.0 (6)
Rating
<15%
Reorder
86.1%
On-time
≤5h
Reply
Main categories
Input and Output(IO) PLC, PAC, & Dedicated Controllers
Modbus TCP IO Module With Ethernet Port Power Relay Output 8DI 4DO(relay)(A-1860)*
$66.20-67.10
MOQ : 1 piece
Contact
Guangzhou Hongchaoda Intelligent Electronics Co., Ltd.

Guangzhou Hongchaoda Intelligent Electronics Co., Ltd.

· 1 yrs · Guangdong, CN 🇨🇳
Matches
5 / 5

Experienced in serving buyers from United States of America

Well-suited supplier in I/O Relay Module and Racks
4.9/5.0 (5)
Rating
<15%
Reorder
94.7%
On-time
≤4h
Reply
Main categories
Other Electronic Components Other Electronic Modules and Kits Other Relays
Eletechsup 10IOA02 2Ch Digital Switch DiDo Multifunction RS485 PLC IO Expanding Standard Modbus RTU Relay for Electric Toy
N4I6N06 6CH 4-20MA AI & 4CH NPN DI & 6CH 10A Relay DO Multipurpose Modbus RS485 IO Module for Motor LED Solar Battery
$9.99-13.99
MOQ : 1 piece
$16.99-19.99
MOQ : 1 piece
Contact
Shenzhen Sanhuang Technology Co., Ltd.

Shenzhen Sanhuang Technology Co., Ltd.

· 1 yrs · Guangdong, CN 🇨🇳
Matches
5 / 5

Recommended supplier for Power Relays (Over 2 Amps)
4.9/5.0 (21)
Rating
<15%
Reorder
80.0%
On-time
≤8h
Reply
Main categories
Development Boards, Kits Other Electronic Components Education & Maker Boards
16-Ch Ethernet Relay Module Modbus RTU / Modbus TCP Protocol Ethernet Port Communication Supports PoE Power Supply
$54.21-54.99
MOQ : 1 piece
Contact
Yueqing Taixin Electric Co., Ltd.

Yueqing Taixin Electric Co., Ltd.

Verified Manufacturer · 8s yrs · Zhejiang, CN 🇨🇳
Matches
4 / 5

Top 10% for inquiries in Relays

Supports shipping to FBA warehouses

100% quality control across all production lines

4.4/5.0 (153)
Rating
41%
Reorder
97.5%
On-time
≤9h
Reply
Main categories
Voltage Regulators/Stabilizers Miniature Circuit Breakers Energy Meters
TAXNELE 220V Din Rail Digital Dual Display Adjustable Voltage Current Protector Device Relay 40A 63A 80A Single Phase AC Current
63A TUYA WiFi Smart Earth Leakage Over Under Voltage Protector Relay Circuit Breaker Timer Energy Power kWh Meter Smart Life
XH-W1219 DC 12V Dual LED Digital Display Thermostat Temperature Controller Regulator Switch Control Relay NTC Sensor Module
$3.10-4
MOQ : 10 pieces
$16-17
MOQ : 10 pieces
$1.85-1.99
MOQ : 1 piece
Contact
Wenzhou Ginri Power Automation Co., Ltd.

Wenzhou Ginri Power Automation Co., Ltd.

Verified · 11s yrs · Zhejiang, CN 🇨🇳
Matches
4 / 5

Top 10% for orders in Relays

Main category includes Voltage Monitoring Relay

100% quality control across all production lines

4.8/5.0 (85)
Rating
29%
Reorder
98.3%
On-time
≤3h
Reply
Main categories
Voltage Regulators/Stabilizers Energy Meters
Double cut-off Tuya Smart WiFi Switch Home 63A 2P 220V Electricity Metering Over Load Protection Timer Relay
TUYA WiFi Smart 63A AC 220V Over Under Circuit Earth Leakage Voltage Protector Relay Device Breaker Switch Meter
$9.04-11.08
MOQ : 1 piece
$8.41-11.03
MOQ : 1 piece
Contact
Shenzhen Qinda Electronics Co., Ltd.

Shenzhen Qinda Electronics Co., Ltd.

· 7s yrs · Guangdong, CN 🇨🇳
Matches
4 / 5

Top 20% for inquiries in Relays - United States of America market

Competitive supplier in Electronic Accessories
4.8/5.0 (77)
Rating
21%
Reorder
98.1%
On-time
≤3h
Reply
Main categories
Other Electrical Instruments Other Electronic Components Other PCB & PCBA
DC 5/6/9/12V Motor Reverse Polarity Module Time Adjustable Delay Relay 2A Drive Current Polarity Timer Signal Generator
$3-4
MOQ : 20 pieces
Contact
Shenzhen Si Hai Xin Zhou Technology Co., Ltd.

Shenzhen Si Hai Xin Zhou Technology Co., Ltd.

· 8s yrs · Guangdong, CN 🇨🇳
Matches
3 / 5

Top 20% for buyers in Relays

Competitive supplier in Time Delay Relays
4.7/5.0 (114)
Rating
36%
Reorder
96.5%
On-time
≤4h
Reply
Main categories
Other Electronic Components Other Electronic Modules and Kits Other ICs
DC 12V Timer Delay Relay Shield Module NE555 Switch Adjustable Controller 0 to 10 Second 0~10S Car Oscillator
2 Channel USB Relay Module Programmable Computer Control For Smart Home DC 5V
T2310 DC 12V 24V AC 110V 220V Programmable Digital Time Delay Switch Relay 1.37 Inch LCD Digital Display Time Controller Module
$0.36-0.45
MOQ : 10 pieces
$2.45-2.98
MOQ : 20 pieces
$2.62-3.30
MOQ : 10 pieces
Contact
Zhejiang Suosite Electric Technology Co., Ltd.

Zhejiang Suosite Electric Technology Co., Ltd.

Verified Manufacturer · 2s yrs · Zhejiang, CN 🇨🇳
Matches
3 / 5

100% quality control across all production lines

Annual export revenue: 500 thousand

Inspection of all products

4.8/5.0 (17)
Rating
<15%
Reorder
92.8%
On-time
≤1h
Reply
Main categories
Temperature Instruments Relay Accessories
PID Temperature Control Instrument Digital Temperature Controller CHB Series Temperature Control Instrument Relay SSR Output
OEM SSR-25DA/40/60/80/100DA High Power Single-phase Solid-state Relay with Screw Terminal for Industrial Use
XRKC PID Temperature Controller CH102-402-702-902 Relay Solid-state Dual Output Industrial Thermostat for Packaging Machines
$5.90-6.80
MOQ : 50 pieces
$1.88-2.49
MOQ : 50 pieces
$4.50-4.98
MOQ : 1 piece
Contact
Yueqing Hongshuo Electrical Co., Ltd.

Yueqing Hongshuo Electrical Co., Ltd.

Verified Manufacturer · 12s yrs · Zhejiang, CN 🇨🇳
Matches
3 / 5

Top 10% for inquiries in Relays - United States of America market

100% quality control across all production lines

Provides e-commerce design services
4.6/5.0 (26)
Rating
<15%
Reorder
100.0%
On-time
≤3h
Reply
Main categories
Switching Power Supply Voltage Regulators/Stabilizers
4000w 5000w Dc 12v 250a 250amp 80v Motor Compressor Switching Mode Power Supply
Normal Open Normal Close Sealed Miniature Waterproof Automotive Power Relay JD1914 12v 40a 4 PIN 5 PIN with Resistor
Hungso Relay Manufacturer T90 QX-15F 30A 5pin 12v General Purpose Relay
$250-350
MOQ : 1 piece
$0.26-0.46
MOQ : 100 pieces
$0.29-0.55
MOQ : 1 piece
Contact
JEO TECH Co., Ltd.

JEO TECH Co., Ltd.

· 3s yrs · Guangdong, CN 🇨🇳
Matches
3 / 5

Recommended supplier for Relays
4.7/5.0 (16)
Rating
<15%
Reorder
97.9%
On-time
≤2h
Reply
Main categories
Development Boards, Kits Image Sensors & Camera Sensors LCD Modules
Miniature Power Relay MY2K 24VDC 10 Pin 2-pole Single Contact Double Coil Relay High Quality
8 I/O RS485 Relay Module Modbus RTU Protocol DIN35 Rail Mount Housing 12V 24V PLC Expansion
DPDT Relay Motor Control Module (5V-12V) Forward/Reverse Function Adjustable Delay Reverse Polarity Support
$0.25-0.85
MOQ : 10 pieces
$17-20
MOQ : 5 pieces
$4.90-5.40
MOQ : 5 pieces
Contact

Related Searches

Explore more sourcing topics & related categories

reverse power relay l&t reverse power protection power relay power relays reverse polarity remote switch power window relay generator relay switching relay reactive power control relay power relay 48v battery changeover relay earthing relay 24 volt dc power relay forward reverse switch relay inverter