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FCB34045 - Molded Case Circuit Breaker 600V 400A

United Fuses
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The FCB34045 is a molded case circuit breaker designed for primary overcurrent and short-circuit protection in industrial power distribution systems. It is rated for 600 volts AC and 400 amps, with a compact frame size and robust thermoplastic construction for durability in demanding environments. This breaker complies with UL 489 and CSA standards, ensuring reliable performance in commercial and industrial applications. Typical uses include motor control centers, panelboards, and switchboards requiring high-amperage protection.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker
  • Voltage Rating: 600V AC
  • Current Rating: 400A
  • Dimensions: Standard frame size
  • Standards: UL 489, CSA
  • Applications: Industrial power distribution, motor control centers
  • Weight: 5.19 lb


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