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Siemens LL3B450 - Molded Case Circuit Breaker 450A 600V 3P

Siemens
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Siemens LL3B450 is a molded case circuit breaker designed for providing reliable overcurrent protection in three-phase industrial power distribution systems. It features a 600V AC voltage rating and a 450A continuous current rating, housed within a robust Sentron Series LL frame with a bolt-on connection for secure installation. This thermal magnetic breaker provides both long-time and instantaneous (LI) protection functions and is rated for an interrupting capacity of 35kA at 480V AC. Its construction and performance comply with relevant industry standards for electrical safety and reliability, making it suitable for use in panelboards, switchboards, and industrial control panels.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic Protection, Sentron Series LL Frame
  • Voltage Rating: 600V AC
  • Current Rating: 450A
  • Poles: 3
  • Phase: 3
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • Functions: Long-Time and Instantaneous (LI)
  • AIC Rating: 35kA @ 480V AC
  • Weight: 25 lb