Engineered to withstand the severe transient environment at large service entrance panels and provide decadesof uninterrupted surge protection. ZoneMaster provides a high level of protection from severe lightning strikes. Dual protection circuits provide redundancy ensuring the site is never unprotected. These models offer an integral disconnect switch that prevents the enclosure door from opening when power is present.

• 150,000A surge capacity per phase
• Replaceable 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
• High N/G voltage warning
• Dual short circuit and thermal fusing
• Ten year warranty
• Patented technology No. 5,311,393
• UL 1449 2nd Edition Listed
• Integral fused disconnect