Leviton 42412-DS3 120/240/120 Volt Hi-Leg Split Phase Delta Panel Protector, Enhanced Noise Filtering, NEMA 3R Enclosure 32004 Series compatible with Decora Home Control and X-10 devices Provide multiple-phase surge protection in commercial and industrial environments Compact design permits close installation to panel and provides a short parallel suppression path Easily surface-mounted or flush mountable with use of flush collar accessory 42001 FMC Real-time diagnostics monitor power and surge suppression status of each phase by means of indicator light and acoustic alarm