Repetitive life cycle capability, high-energy capacity and years of proven field experience allow us to confidently recommend the ASCO Model 560 Surge Protective Device for any "HIGH-RISK" location or "CRITICAL" process. A modular design with available surge current ratings from 160 kA to 750 kA per phase. Provides facility-wide surge suppression and EMI/RFI filtering at service entrance and distribution panels.