IMA series surge protective devices have many replacement devices available. Such diagnostic displays provide alarm status of the surge protective device up to 1000 feet from the unit. This 3-phase 4-wire device can be used as a replacement in panelboards, switchboards, PZ4 switchgear, busways with wide voltage range options from 120V/240 V up to 600Y/347 V and peak surge range as 120 kA to 240 kA. Installation performed with RJ45 patch cables for quick connections. The design is compliant with the European Restriction of Hazardous Substances directive (RoHS).