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NF Panelboards
Integrated Power
Center

Integrated Power Center

NF Circuit Breaker Interior

NF circuit breaker interiors are for use on ac systems and are UL Listed under File E33139. NF circuit breaker interiors accept EDB, EGB, and EJB branch circuit breakers.

Features

NF circuit breaker interior features include:

• 480Y/277 Vac maximum
• 600 A maximum vertical main circuit breakers
• 125 A maximum branch mounted circuit breakers
• 18—65 kA maximum RMS symmetical amperes short circuit current rating (SCCR)
• 800 A maximum main lugs
• Copper or aluminum plated bus interiors
• Interiors may be mounted for top or bottom feed
• VISI-TRIP indicator on branch circuit breakers
• Fully rated or series rated systems
• Suitable for use as service equipment

Options

• 200% rated neutrals up to 250 A
• 1000 A/in2 copper bus
• 750 A/in2 aluminum bus
• Sub-feed and through-feed lugs
• Sub-feed circuit breakers
• TVSS units