Supervised input kit for inputs.
$72.21
EC-BOS-8 – Add-on dual port RS-485 module. Complies with UL 864, UUKL Smoke Control Listing.
Supervised input kit for dry contacts.
Triac surge protection kit for the Triac outputs
Ethernet Interconnect switch with eight-port 10BASE-T/100BASE-TX switching hub (for twisted-pair copper cabling)