The XTA-120V-6 six-channel optocoupler is intended for use with control system digital input modules to monitor contact closures or mains power supply on-off voltage levels.

The I8 Input Bus Module provides eight Class-A supervised inputs. A total of eight input modules can be connected to one apC or apC/8X and a total of four input modules can be connected to one apC/L.

Higher amperage relay output modules and an 8-point input simulator module are now available from AutomationDirect for the Click series stackable micro brick PLCs.

Combination supervised alarm/relay module that offers surface mount technology and flash memory. The AIO-168 alarm and relay processor module provides 16 zones which meet UL Grade A analogue line ...

Providing eight SPDT, high-current Form C relays directly switching 6A loads at 250V ac and 100V dc, the Seal/O-520 relay and optically isolated input module also has eight nonpolarized inputs for ...

A relay module is a piece of electrical equipment that provides protection and isolation to relays. Find out more about this board and the best manufacturers here.

Welcome to my quick review of an inexpensive 2-channel 5V relay module controlled via RS485 bus utilizing Modbus RTU protocol. As claimed by some online sellers, this easy-to-get Modbus RTU 2-Channel ...

The relay repeater module accepts single contact closure inputs from logic solver trip outputs including the company's STA Safety Trip Alarm and the SPA2 Programmable Limit Alarm Trip. With three ...

PiRelay 8 as a new Raspberry Pi relay board featuring 8 connections, LCD display, Optocoupler EL357NC, on-board USB input and more ...

Toshiba has a voltage driven photo relay with a tiny S-VSON4T package and reduced input power dissipation. The TLP3407SR, features a maximum LED current of just 1 mA at the input, which represents a ...