12CH RS485 Relay Module 12V/24V Modbus RTU DIN Rail Mount for PLC PTZ N4D8C12

Relay Module RS485 Bus Modbus RTU UART Serial Port HMI PLC DIP Setup Parameters 4-32 Channels 10A 20A DC 12V 24V Switch Board RYR404A RYR408B RYR416C RYR432D

LR12A01 PRO DC 5V 12V 24V Bistable Self-locking Flip-Flop Latch Switch Board for Arduino ESP32 Magnetic Latching Relay Module

LR12A01 DC12V Magnetic Latching Relay Module Bistable Self-locking Flip-Flop Board

ES32C14 ESP32 Multifunction Expansion Board 2AO 2AI 4DI 4DO for Arduino WEB MQTT Ethernet Network Http

IO22C04 12VDC 24V 4Ch Pro mini PLC Board Relay Shield Module for Arduno diy Delay Timer

IO22C04 5V 12V 24V Pro mini PLC Board for Arduino LED Cycle Delay Timing Timer Relay diy

CE039 DC 12V 4Ch RS232 Relay Board SCM PC USB UART DB9 Remote Control Switch PLC Motor

ES30E08 8DI 8DO Relay Module RS485 PLC Controller Shield for 30Pin ESP32 Development Board DC 12V 24V NPN Input

N4D3E16 16CH RS485 Modbus RTU Relay Module – DC 12V/24V Digital Output Board with 10A SPDT Contacts for PLC IO Expansion

R4DIK04 R4DVI04 Modbus RTU RS485 Remote IO Module 4AI 4DI 4DO 4-20mA 0-20mA 0-5V 0-10V Relay Board 12V 24V

N229E01 UD24B01 1CH USB/TTL232 Relay Module – DC 5V/12V UART Serial Port Switch with Type-C for Arduino MEGA Raspberry Pi PC Control

N4ROA01 N4ROB02 1-2CH 3A RS485 UART Relay Module – DC 12V/24V Serial Port Switch with Modbus RTU for PLC Arduino Smart Home

R4D3B16 16CH 10A DIN Rail Relay Module – RS485 Modbus RTU PLC Expansion Board with 6 Control Modes for Industrial Automation

DN33C08 8CH RS485 Modbus RTU Relay Module – Multifunction Timer Expansion Board for Raspberry Pi Pico Simple PLC Python C++

IO22A02 2CH 10A Multifunction Delay Timer Relay – DC 12V 6-Mode Programmable Timer Switch with 99H Range for PLC LED Motor Control

DNMPB28 16AI-16DI-16DO Relay Board for Arduino MEGA2560 Pro – 4-20mA/0-10V Analog Input RS485 Modbus MOS Relay IO Expansion

NC25C01 2-in-1 Automatic Water Supply & Drainage Controller – DC 12V Relay Module for Fish Tank Aquarium Water Tower Level Control

ES32D26 ESP32 Industrial IO Board – 8AI 8DI 8DO 2AO WiFi Relay Module with 4-20mA/0-10V for Smart Home IoT Simple PLC

IO25E08 8CH Multifunction Relay Module – DC 5V/12V/24V Power Conditioner Sequencer with Interlock Latch Self-locking Momentary Modes

CE030 18-Mode Multifunction Timer Relay – DC 5-24V 10A Programmable Delay Switch with 0.1s-270h Adjustable Time for PLC Smart Home

PS47E01 DC 12V/24V Voltage Detection Relay Module – 0-99.9V ±0.1V Accuracy Over/Under Voltage Monitor with 10A Output & 0-999Min Timer

N228D02 2CH RS232 Relay Module – DC 12V/24V DB9 Serial Port Switch Board with 10A Output for PC PLC Motor LED PTZ Control