Power surge protection kit for 24VAC/DC power terminals connections.
$36.54
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)
EC-BOS-8 – Add-on dual port RS-485 module. Complies with UL 864, UUKL Smoke Control Listing.
BACnet advance application programmable controller for large sized air handling units and exhaust fan with 16 UI and 12 UO. Complies with UL 864, UUKL Smoke Control Listing.