Home » Components » Fireye » Burner Controls » NEXUS » Fireye NXDBISO Isolated comms with two 4‐20mA and two programmable relays. OBSOLETE Fireye NXDBISO Isolated comms with two 4‐20mA and two programmable relays. OBSOLETE NXDBISO Isolated comms with two 4‐20mA and two programmable relays. OBSOLETE Consult ITS Add to Quote CartThis is a Request for Quote Only. Manufacturer Info Fireye << return to components