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Eaton LDB3300X - Molded Case Breaker 300A 600V 3-Pole

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Eaton LDB3300X is a three-pole molded case circuit breaker from the Series C family, designed for overcurrent protection in industrial and commercial power distribution systems. It delivers a 300A current rating with a maximum voltage of 600V AC and an interrupting capacity of 35kA at 480V, utilizing a thermal magnetic trip unit with fixed long-time and instantaneous functions. The L-frame breaker weighs 25 lb, features bolt-on aluminum terminals for line and load connections, and operates at 50/60 Hz. It is UL 489 listed for safety compliance. This breaker is suited for protecting branch circuits and feeders in manufacturing plants, commercial buildings, and other heavy-duty electrical installations.

Key Features & Specifications
  • Manufacturer: Eaton
  • Item Subcategory: Molded Case
  • Family: Series C
  • Type: LDB
  • Weight: 25 lb
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: L Frame
  • Voltage Rating: 600V
  • Poles: 3
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • AIC rating: 35kA@480V
  • Phase: 3
  • Current Rating: 300A
  • Interrupt Rating: 65 kAIC at 240V
  • Terminal Material: Aluminum
  • Terminal Type: Line and Load
  • Frequency Rating: 50 to 60 Hz
  • Trip Type: Fixed Thermal, Fixed Magnetic
  • Certification: UL 489 Listed