Square D IL34400 – 400A 3 Pole Molded Case Circuit Breaker Reduced Price

Utilizing advanced I-Limiter technology, this 400A molded case circuit breaker delivers top-tier 200kAIC protection at 480V without requiring external fuses. The current-limiting capability significantly reduces let-through energy, preserving the integrity of your electrical infrastructure. It features a specialized mounting bracket for quick integration into Square D I-Line switchboards. Facilities upgrading their systems often transition from this model to the newer LIL36400 equivalent.