The ZoneMaster All-Mode Series is engineered to withstand the most severe transient environment at large service entrance or distribution panels and provide decades of uninterrupted surge protection. Dual protection circuits provide redundancy ensuring the site is never unprotected. The ZoneMaster All-Mode Series provides the lowest suppression voltages available, 90kA or 150kA surge capacity per mode as well as full protection in all modes (L-N, L-G, L-L and N-G).

• ZoneMaster 300, 300kA per phase
• ZoneMaster 180, 180kA per phase
• 90,000A or 150,000A surge capacity per mode
• Replaceable bolt-in modules
• Protection redundancy ensures reliability for critical lines
• Comprehensive diagnostics
• Remote indication
• NO/NC dry contacts

• NEMA 1, 2, 3, 3S, 4 4X, 12, 13 rated enclosure
• High N/G voltage warning
• Low impedance construction
• Dual short circuit and thermal fusing
• Ten year warranty
• Patented technology No. 5,311,393
• UL 1449 2nd Edition Listed
• Optional EMI/RMI Filter, UL1283 Listed
• Optional Remote Status Monitor