4CH RS485 Relay Switch Module UART Modbus RTU AT for PTZ PLC Smart home

-4%

Dc 5v/12v/24v 2 channel rs485 relay modbus rtu plc module

1

1

5.0

Incomplete data

8 channel dc 12v rs485 relay module modbus rtu 485 remote control switch for plc ptz camera security monitoring

0

1

-3%

Dc 12v 8 channel rs485/ttl relay module modbus rtu uart remote control switch din35 c45 rail box for plc ptz camera security

1

0

-6%

Dc 12v relay module 8 channel modbus rtu rs485 relay board plc controller serial port switch with din35 rail box for arduino

0

0

-3%

2-way relay module output 2 channel switch input ttl/rs485 interface communication modbus-rtu

0

0

Incomplete data

Dc 12v 24v 8 isolated io din35 c45 rail box uart rs485 mosfet module modbus rtu control switch board for relay plc led ptz

1

1

-6%

1 pcs 16ch dc 12v rs-485 modbus rtu relay board rs485 bus remote control switch for led motor plc ptz camera smart home

2

2

5.0

Ce035_s with shell 2ch rs485 relay dc 12v switch board modbus poll at command plc for ptz camera electric door water pumps led

0

1

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32ch dc 12v rs-485 modbus rtu relay board rs485 bus remote control switch for led motor plc ptz camera smart home

0

1

-2%

Dc 12v relay module 16 channel modbus rtu rs485 relay board plc controller serial port switch shield for arduino

0

0

-2%

32ch din35 c45 rail box dc 12v 24v rs485 modbus rtu relay board 485 bus remote control switch for led motor plc ptz camera smart

1

4

5.0

2-way relay module output 2 channel switch input ttl/rs485 interface communication modbus-rtu

1

1

-4%

Dc 12v relay module 16 channel modbus rtu rs485 relay board plc controller serial port switch with din35 rail box for arduino

2

0

Dc 12v realy 16 channel rs485 relay module relay board plc controller port switch 485 high quality, voltage relay, high quality and brand new, low power, general purpose

4

9

Modbus rtu 4 way 12v relay module switch stm8s103 mcu two development rs485 / ttl communication interface 4 channel

1

1

-10%

8ch modbus relay module 8bit modbus-rtu switch signal input output rs485 ttl controller

0

0

-3%

Dc 7-24v modbus-rtu 4 channel relay module rs485 ttl controller switch signal input output anti-reverse connection for arduino

1

1

Incomplete data

Dc 12v rs485 relay module 16 channel modbus rtu protocol remote control plc expansion board circuit board with din rail box

0

3

Rs485 16 channel relay module rtu relay board plc controller serial port switch for arduino dc 12v

0

0

-3%

Modbus rtu 4 channel 12v relay module switch input / output rs485 / ttl communication interface relay 4 relay indicator board

0

0

-3%

Modbus-rtu 1 channel 12v relay module switch input / output rs485 / ttl communication interface relay 1 relay indicator board

0

1

4ch modbus relay module 8bit mcu 4 bit modbus-rtu switch signal input output rs485 ttl controller dc 7-24v

1

7

1.0

Dc 12v 2 channel db9 female/male rs232 uart remote control switch board serial port relay module

1

6

5.0

Rs485 relay switch module modbus ascii/rtu pl2303 pc plc

0

0

4pcs multifunction rs485 ttl232 modbus rtu module npn pnp io control switch for 16ch 5v 12v 24v relay board plc

3

4

5.0

-15%

Dc 6-24v rs485 rs232 (ttl) rtu control switch board uart plc programmable logic controller relay module support for modbus / at

1

1

-2%

7-24v modbus rtu 1 channel relay module switch modbus 5v 10a/250v ac dc relay rs485 communication ttl uart interface

0

0

-3%

Modbus rtu dc 12v 8 channel ruart s485 relay module remote control switch din rail box for plc ptz camera security smart home

0

0

4ch modbus relay module 4 bit modbus-rtu switch signal input output rs485 ttl controller mcu for digital detect power control

0

0

-4%

Modbus rtu 4 way relay module diy 4 road input 485 ttl communication 4-channel input relay module

3

11

5.0

-14%

Modbus rtu 2-way relay module channel switch ttl/ rs485 communication interface relay 2 relay indicator 12v output 2 input dc

1

1

1.0

R421c32 dc 12v 32 channels rs485 delay relay module rtu protocol serial port remote control switch plc control board

0

0

-2%

Incomplete data

Modbus rtu 8-channel 8ch relay module switch 8-way output 8-way inputs rs485 ttl communication uart 7-30v relay switch

0

2

Xtw1-0095 modbus rtu 2-way relay module output 2 input channel switch ttl/ rs485 communication interface relay 2 relay indicator

1

1

1.0

-1%

Modbus rtu 4 channel 12v relay module switch input / output rs485 / ttl communication interface relay 4 relay indicator board

2

1

-4%

Dc 12v 24v 32-channels din35 c45 rail box rs485 modbus rtu uln2803a darlington transistor controller plc io expansion board

2

5

5.0

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

0

0

-8%

Modbus-rtu 2-way relay module output 2 input channel switch ttl / rs485 communication interface

0

0

1pcs modbus rtu 1 2 4 8 channel relay module 485 ttl communication 1 2 4 8 channel input relay module 12v

2

1

Modbus rtu 7-24v/ac 220v 4 channel relay module switch rs485/ttl uart communication interface anti-reverse connection 8-bit mcu

1

2

-21%

16 channel dc 12v rs485 relay module modbus rtu 485 remote control switch board for plc ptz camera motor

0

0

Dc 5-24v 4ch pro mini plc board relay shield module for arduino led display cycle delay timer switch on/off

0

1