TRANSTECTR~AC Mains APEX IV X5 120/208 V 3-Phase Wye Silicon/MOV Outdoor, advanced ac main and sub panel non-degrading, low-clamping silicon with robust MOV backup surge protection for 120/208 V, 3-phase wye configuration, with remote status monitoring (dry contact relay) Features Silicon MOV technology Outdoor NEMA 4X enclosure Plug-in modules Visual and remote status monitoring Specifications: Voltage120/208 Vac Mount TypePanel Mount Standards UL 1449 3rd Edition Other Features10 kA silicon with 30 kA MOV back-up, dry contact relay Weight (kg)4.8 kg Weight (lb)10.5 Dimensions (cm) 31.8 cm x 26.7 cm x 16.7cm Dimensions (inches) 12.5 x 10.5 x 6.6 Motorola Part Number DSAPEX4120WM