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Square D ILL34400 - Molded Case Circuit Breaker 400A 480V 3P

Square D
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Save $-1,575.25
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Square D ILL34400 is a molded case circuit breaker designed for providing robust overcurrent protection in demanding three-phase industrial power systems. It features a 400A current rating and a 480V voltage rating, utilizing a thermal-magnetic protection mechanism with long-time and instantaneous (LI) trip functions to ensure reliable operation. This three-pole, feed-thru connection breaker is constructed with a durable molded case and offers an interrupting capacity of 200kA at 480V, meeting critical safety and performance standards for industrial applications. It is engineered for compliance with industry standards, making it suitable for integration into panelboards and switchboards within commercial and industrial facilities requiring high-fault current protection.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, I-Limiter Family (ILL), Thermal Magnetic Protection
  • Voltage Rating: 480V AC
  • Current Rating: 400A
  • Phase: 3
  • Poles: 3
  • Connection: Feed-Thru
  • AIC Rating: 200kA @ 480V
  • Functions: LI (Long-Time and Instantaneous)
  • Item Subcategory: Molded Case
  • Weight: 45 lb


Product Identification
  • Manufacturer Part Number: ILL34400