Triac surge protection kit for the Triac outputs
$48.72
EC-BOS-8 – Add-on dual port RS-485 module. Complies with UL 864, UUKL Smoke Control Listing.
Subnet surge protection kit for subnetwork ports.
Power surge protection kit for 24VAC/DC power terminals connections.
Input/Output surge protection kit for universal input and output connections. Not to be used with supervised input kits.