Relay Output Module 485 Communication IO Expansion Board PLC Control Board Modbus Digital Output Industrial Grade

$28.80

Relay Output Input RS485 IO Expansion PLC Remote Control Light Switch Modbus Digital Module

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485 Relay Output Module Serial Switch Input/Output IO Expansion Module PLC Control Board Juying

$45.00

Huaqingjun Relay Control Module 16A Hongfa PLC Output Amplifier Board IO Signal Machine Tool Expansion Control

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Juying 8-Channel Network Relay Control Module Switch Quantity Acquisition RS232 Ethernet Port WiFi Interface DAM0808D

$35.20

Relay Output Digital Input RS485 Module IO Control Board PLC Expansion Motor Solenoid Valve Industrial Grade

$94.40

Single-Channel Delay Power-Off Relay Module: Break/Make Circuit Board Trigger for Cyclic Timing Circuit Switch

$5.30

Mini Thin Panasonic Terminal Relay Module, Small PLC Output Amplification Control Board, 4-Channel Independent Normally Open 5A

$32.00

Solid State Relay Module 16-Channel PLC DC Output Amplifier Board 24V Optocoupler Isolation Control Board Transistor

$10.00

Ultra-Thin Relay Module 24V TKP1A-KC Mini Module PLC Control Board with Direct-Insert Terminals, 5A Normally Open

$48.00

8-Channel Serial Port 232 Relay Module Switch 232 MODBUS RTU Controller Module PLC

$95.00

Omron Relay Module 24V Module 12V Intermediate PLC Amplifier Board 8/16 Channel G2R Control Integrated Signal

$34.08