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Eaton LSB320400E - Molded Case Circuit Breaker 400A 3-Pole 240V

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Eaton LSB320400E is a 3-pole molded case circuit breaker from the LSB Series, designed for overcurrent protection in commercial and industrial power distribution systems. It is rated for 400A at 240V AC, with a 42kA interrupting capacity at 240V, and utilizes a thermal-magnetic trip unit providing long-time and instantaneous (LI) protection functions. This bolt-on breaker weighs 20 lb and features a 3-phase, 240V configuration, with lugs not included for field installation. It complies with UL 489 and ANSI C37 standards, making it suitable for switchboards, panelboards, and other 3-phase electrical distribution applications.

Key Features & Specifications
  • Type: Molded Case
  • Family: LSB Series
  • Poles: 3
  • Current Rating: 400A
  • Voltage Rating: 240V
  • Interrupt Rating: 42kA at 240V
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Connection: Bolt-On
  • Phase: 3 Phase
  • Weight: 20 lb
  • Certifications: UL 489, ANSI C37
  • Additional Info: Lugs are not included