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Schneider Electric LV434557 - Molded Case Circuit Breaker 400A 4P

Schneider Electric
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Schneider Electric LV434557 is a molded case circuit breaker designed for comprehensive protection in demanding industrial power distribution systems. It provides advanced LSI (Long-Time, Short-Time, and Instantaneous) protection functions for circuits rated up to 400A and 690V, housed within a robust, four-pole Compact NSX frame. The breaker features a MicroLogic 2.3 AB electronic trip unit for precise coordination and is constructed to meet key international standards including EN/IEC 60947-2 and UL 508, with additional Marine, EAC, and CCC certifications for global application versatility. Its design is suitable for controlling and protecting feeders and motors in industrial plants, commercial buildings, and marine installations.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Compact NSX Family, LV4 Type, Electronic Trip
  • Voltage Rating: 690V AC
  • Current Rating: 400A
  • Trip Type: MicroLogic 2.3 AB (LSI)
  • Poles: 4
  • Standards: EN/IEC 60947-2, UL 508
  • Certification: Marine, EAC, CCC
  • Functions: Long-Time, Short-Time, and Instantaneous (LSI) Protection
  • Weight: 4.103 lb