* Dual Stage Surge Filter * KA rating: 40kA I max, L-N, 25kA I max L-E, 25kA I max N-E * Operation modes: Differential and Common modes * Surge suppression & filtering in a single package * Modular design * Enclosed in IP20 painted steel housing * Protection Fail Alarm Relay * 3 mode, 3 Stage Protection * AV circuits for clubs & hotels * 2 LED display, Power OK & Protection OK LEDs, Dry contact alarm relay output - 250Vac/32Vdc, 5A, 5kV isolation, Alarm under-voltage cutoff 180Vac * Enclosure rating IP20 * Internal protection (fusing) Thermal * Protection modes Line-Neutral, Line-Earth, Neutral-Earth * Input voltage 200-250VAC 1 Phase * Service type TT, TN, TN C-S or any single-phase system with a grounded neutral.