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Eaton LD3350X - 3-Pole 350A Molded Case Circuit Breaker

Cutler Hammer
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Eaton LD3350X is a three-pole molded case circuit breaker from the Series C family, designed to provide thermal-magnetic overcurrent protection with long-time and instantaneous (LI) trip functions. This 350A rated unit operates at a maximum voltage of 600V AC and delivers an interrupting capacity of 35kA at 480V AC, with a bolt-on connection for secure installation. Weighing 20 lb, the L Frame breaker features a compact construction suitable for industrial panelboards and switchboards, complying with applicable UL and NEMA standards. It is commonly deployed in commercial and industrial power distribution systems requiring reliable branch circuit protection.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic, LI (Long-Time and Instantaneous) Trip
  • Voltage Rating: 600V AC
  • Current Rating: 350A
  • Poles: 3
  • Phase: 3
  • AIC Rating: 35kA@480V
  • Connection: Bolt-On
  • Frame Size: L Frame
  • Functions: LI - Long-Time and Instantaneous
  • Weight: 20 lb
  • Standards: UL 489, NEMA AB1
  • Applications: Industrial power distribution, panelboards, switchboards