2-way Relay Module Output 2 Channel Switch Input TTL/RS485 Interface Communication Modbus-Rtu

-34%

1pc micro usb relay module 5v 4 channel relay module relay control panel with indicator 4 way relay output usb interface

0

0

-0.6%

Switch input and output input output 8 way relay output module modbus-rtu rs485 communication

0

0

Micro usb relay module 5v 4 channel relay module relay control panel with indicator 4 way relay output usb interface

0

3

-5%

Modbus-rtu 1 way relay output 1 switch input rs485 ttl

0

0

-7%

Dc 5v 4 channel relay module relay control panel with indicator 4 way relay output micro usb interface

0

0

-1%

12 channel relay output 16 analog input modbus rtu rs485 rs232 module

0

0

-3%

8-way analog input 6-way switch input 4-way relay output acquisition module rs485 modbus

0

1

-5%

Dc 12v realy 16 channel rs485 relay module rtu relay board plc controller serial port switch 485 relais

0

0

-7%

Modbus rtu protocol 4 in 4 out control relay module rs485 switch input and output plc module

0

0

-2%

Modbus rtu 4 ch relay module input 485 ttl uart communication 4-channel input 7-24v relay module cnim hot

0

0

-12%

5 way rs485 digital relay relay output module modbus rtu collector ipam-2505

0

0

-3%

8di/8do 8-channel switch input 8-channel switch output acquisition module rs485 modbus protocol

0

0

-2%

12di/4do12 switch input 4 relay output acquisition module rs485 modbus communication

0

0

Modbus rtu 8-way relay module, rs485 interface, with multiple isolation protection circuits, industrial grade

0

0

-1%

2 way relay output 2 switch input signal acquisition module rs232 communication modbus

0

0

Dc 12v 4 channel relay module stm8s103f3 relay board microcontroller rs485 communication relay module

0

0

Expansion board 12v 6-channel rs485 relay plc electrical expansion module for modbus rtu protocol remote control

0

0

-3%

Incomplete data

Relay module 16 channel relay module 5v 20a relay control module supports high and low voltage triggering

0

0

-11%

Free shipping sensor modbus-rtu 4 way relay module stm8s103 mcu two rs485 communication ttl sensor

0

0

-0.7%

Dc12v 433mhz transmitter control delay relay receiver kits pt2262 transmitter module and 4 pcs 1 channels relay switch

0

0

New 8 way 0/4-20ma current acquisition 4 way switch input 2 way relay output io acquisition module rs485

0

0

-6%

Tb409*10 10 pcs 1 channel dc 12v time relay module for touch sensor delay switch

0

0

16 way relay output do module rs485 modbus data acquisition communication board plc extension io

0

0

-2%

Incomplete data

10pcs/lot mrc-25d51c24 1no relay module voltage relay board dc24v input 5a 250vdc/ac output electromagnetic circuit interface

0

1

-3%

Waveshare industrial modbus rtu 8-ch relay module with rs485 interface, multi isolation protection circuits

0

2

Relay module r223c16 16-channel relay board db9 relay module female interface serial port smart module 10a / 250vac

0

0

2 channel relay module serial port rs232 relay switch board tb351 uart protocol db9 interface remote control board

0

0

Dc 12v relay 8 channel relay module rs485 relay command programmable control module board

0

0

-5%

Dc 12v 24v time relay module normal open time delay relay timing timer relay control switch adjustable potentiometer

0

1

6ch terminal analog input/4ch optoelectronic digital input/output module with rs485 modbus rtu communication for data collection

0

0

-3%

Dc 12v 4 channels optocoupler isolation relay interface module tigger voltage 3.3v 5v 12v 24v plc signal amplification board

0

0

-1%

4 channel relay module 4-channel relay control board with optocoupler. relay output 4 way relay module for ard uino

0

0

-2%

5v 2 channel relay module with optocoupler isolation supports high and low trigger voltage 5v

0

1

Dc 5v 4 channel relay shield module 4 ch small current signal control high drive for arduino, time relay, 5v 4 channel relay module, high power, general purpose

0

1

Dc 5v 12v 1 channel relay shield inching/self-locking wifi switch relay module for smart home improvement intelligent furniture

0

1

-3%

Rs20k thermocouple 8-channel temperature transmitter modbus-rtu protocol rs485 communication with isolation

0

0

5v 1channel relay module with optocoupler. relay output 1 way relay module for arduino in stock

0

0

-4%

Modbus rtu protocol expansion module 32-way rs485 input remote io module plc extension module

0

0

-3%

Incomplete data

5v 4channel relay module and the optocoupler high and low level trigger the arduino

0

0

-7%

8 channel solid state relay module board high level trigger ssr input 5v dc output 240v ac 2a for ardui for arduino diy kit

0

0

-13%

Pzem-004t 3.0 version communication module ttl modbus-rtu ac single phase 100a dropshipping

0

0

-5%

1 channel relay module 5v soil moisture sensor controller module automatic watering below the humidity starts

0

0

-6%

Dc 5v 1 channel relay shield power supply relay module for arduino intelligent home improvement relay board with optocoupler

0

0

New-4 channel dc 12v rs485 relay module modbus rtu and at command remote control switch for plc ptz camera security monitoring

0

0

-2%

Intelligent device zlan6002 remote io controller rs485 modbus rtu support 4ch relay output, 4ch digital input, 2 analog input

0

0

-0.9%

4-channel 4-20ma/0~20ma/0-10v analog input acquisition module to rs485 modbus-rtu

0

0

-0.8%

Sht10/11 5-way multi-channel temperature and humidity acquisition module communication rs485 modbus rtu

0

0