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Siemens L3B350 - 3-Pole 350A Molded Case Breaker (600V)

Siemens
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Siemens L3B350 is a three-pole molded case circuit breaker designed for thermal-magnetic overcurrent protection in low-voltage power distribution systems. It is rated for 350A at 600V AC, three-phase, with LI (Long-Time and Instantaneous) trip functions to safeguard conductors and equipment from sustained overloads and short circuits. The unit features a durable molded case construction, weighs 40 lb, and is configured for bolt-on panelboard mounting. This breaker complies with applicable industry standards for industrial and commercial electrical installations. Typical applications include main or feeder protection in switchboards, panelboards, and industrial power distribution systems requiring high-amperage capacity.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker
  • Manufacturer: Siemens
  • Poles: 3
  • Phase: 3
  • Current Rating: 350A
  • Voltage Rating: 600V
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Mounting Type: Bolt-On
  • Weight: 40 lb
  • Construction: Molded Case