DC 6-24V (TTL) RTU Control Module UART Relay Switchss Board PLC for gl

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

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-7%

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

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

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Relay module 12v 1 channel relay module rs485 rtu serial port multi-function relay module plc controller

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Isolated type 16 channel relay module interface board high/low level trigger dc 5/12/24v high quality

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-1%

R411b01_5v mini 5v rs485 to ttl converter module uart to rs485 converter sp485ee for smart home modbus rtu control

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1

-5%

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

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dc 6-24v 60-70ma mini flip-flop latch relay module bistable self-locking switch low pulse trigger board

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1

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

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Fx2n-20mr plc programmable logic controller relay module dc24v ac220v industrial automation control board 12 input 8 output

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21

5.0

-14%

Ttl to rs485 converter module automatic direction control adapter board

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1

12v 8-channel rs485 relay plc expansion board for rtu protocol remote control industrial accessories

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1

-7%

Dc 12v 4ch rs232 relay board scm pc uart db9 remote control switch plc motor car free shipping

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1

-5%

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

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1

Dc24v fx1n-14mr industrial control board plc programmable logic controller relay output plc module

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3-way relay module omron omron multi-channel solid state relay plc amplifier board 16a dc 24v dc 12v npn/pnp breakout

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-2%

Db9 female/male rs232 uart switch board dc 12v 232 relay module for plc led motor

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1

Mrc-25d61z05 5v plc electromagnetic interface relay module control board 6a ultra-thin plc relay

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1

Industrial control board plc fx1n-24mt 14 input 10 output 24v 1a plc control board module

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Countdown time delay relay module dc 24v led digital timer control switch plc timing relay module anti reverse voltage regulator

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Plc industrial control board fx1n-20mr programmable relay delay module with shell 10-28vdc

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1

Dc 24v light control switch time relay module detection sensor motor control module switch

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-7%

5a 1 2 channel way 5v/12v/24v relay module low level trigger solid state relay dc control board dc single phase device

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Dc 12v 16 channel bluetooth relay board wireless remote control switch 16 channel bluetooth relay module

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Dc 6-24v flip-flop latch relay board bistable self-locking low pulse trigger module

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-3%

Dc 12v led display digital time delay relay timer control switch module plc electronic pcb board module

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Fx1n-20mr plc programmable control module dc 24v regulator industrial logic controller board

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-4%

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

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16ch dc 12v serial port db9 uart rs232 relay module for plc pc com 3d printer led home lighting motor

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-3%

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

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0

Delay relay module yosoo 5v 12v dc delay relay delay turn on delay turn off switch module external trigger automotive relay

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-0.4%

5v 12v 24v dc ssr solid sate relay module innovative led indication 2a input din rail relay module switch board

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-3%

Incomplete data

10pcs/lot plc control 1no+1nc 24v switch interface relay module 6a 250vac/dc output led electromagnetic voltage relay switch

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Relay delay module plc industrial control board fx1n-06mr programmable relay delay module with shell

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-2%

12v 1 channel rs485 modbus rtu serial port multi-function relay module plc controller plastic

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Automatic flow control module scm ttl to rs485 automatic flow control module 485 serial uart level mutual electricity converter

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0

Dc 24v time delay relay module digital led delay timer module switch control relais cycle high performancetimer module

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Fx1n-20mr dc24v relay delay module plc industrial control board programmable relay delay module with shell

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2

-5%

New original module afp0re8x plc 24 v dc sink source fp0r expansion unit

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-6%

Dc voltage detection module digital display high accuracy relay electronic component dc12v relay module

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-3%

Dc 8-36v 4-channel multi-function relay delay / self-locking / cycle / timing / linkage / control module plc diy electronics

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

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-1%

Dc12v/24v trigger delay timer switch turn on/off relay module high power 30a plc

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1

1 pcs relay delay module plc industrial control board fx1n-10mr programmable relay delay module with shell

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2

-3%

Dc 6-30v time relay module digital led double relay display timer switch trigger cycle smart control module

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Multi-function dc 5v 12v 24v time delay relay module 2 ch with self-locking cycle timing plc control led display for smart home

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