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Siemens L3B400 - Molded Case 600V 400A 3-Pole Breaker

Siemens
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The Siemens L3B400 is a 3-pole molded case circuit breaker designed for thermal magnetic protection in industrial power distribution systems. It is rated for 600V AC and 400A, providing long-time and instantaneous (LI) trip functions to safeguard against overloads and short circuits. Weighing 40 lb, this three-phase breaker features a robust molded case construction for durability in demanding environments. It complies with industry standards for electrical safety and performance. Typical applications include protecting feeders, motors, and branch circuits in commercial and industrial facilities.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker
  • Voltage Rating: 600V AC
  • Current Rating: 400A
  • Poles: 3
  • Phase: 3
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Weight: 40 lb


Product Identification
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