Recently I got an ‘updated’ version of the common 555 timer relay module. This time it comes with a wider DC operating voltage of up to 30V and an onboard trigger button in addition to external ...

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 ...

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. The Click C0-04TRS-10 ($54.00) is a ...

The AIO-168 alarm and relay processor module provides 16 zones which meet UL Grade A analogue line supervision requirements and 8 form C dry contact relay outputs. All inputs are monitored for line ...

Safety relay modules, like the HR5S, are a key component for interlocking equipment and driving it to the safest possible state in case an emergency stop pushbutton or other safety input signal is ...