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KA315053E1408 - Molded Case Circuit Breaker 315A 600V AC

United Fuses
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The KA315053E1408 is a high-capacity industrial circuit breaker designed for primary overcurrent protection in electrical distribution systems. It is rated for 600V AC and 315A continuous current, with a robust interrupting capacity suitable for heavy-duty applications. This unit features a compact, molded case construction with a weight of 5.19 lb, utilizing a thermal-magnetic trip mechanism for precise fault response. It complies with UL 489 and CSA C22.2 standards, ensuring reliable performance in commercial and industrial environments. Typical applications include main feeder protection, panelboard disconnects, and motor control centers.

Key Features & Specifications
  • Type: Molded case circuit breaker, thermal-magnetic trip
  • Voltage Rating: 600V AC
  • Current Rating: 315A
  • Dimensions: Standard 3-pole frame size
  • Standards: UL 489, CSA C22.2
  • Applications: Main feeder protection, panelboard disconnects, motor control centers
  • Weight: 5.19 lb