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Eaton LDB3350Y - Molded Case Circuit Breaker 350A 600V 3-Pole

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Eaton LDB3350Y is a 350 Amp, three-pole molded case circuit breaker from the Series C line, designed for overcurrent protection in industrial and commercial power distribution systems. This L-frame complete breaker operates at 600 Vac and 250 Vdc, with a current rating of 350A and a voltage rating of 600V, featuring LI (Long-Time and Instantaneous) trip functions for thermal-magnetic protection. The unit weighs 25 lb, utilizes a bolt-on connection, and is constructed with aluminum terminals, supporting a frequency range of 50 to 60 Hz. It is UL 489 certified and offers an interrupting rating of 65 kAIC at 240 Vac and 35 kAIC at 480 Vac. Typical applications include main or feeder circuit protection in panelboards, switchboards, and industrial control panels.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker
  • 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: 350A
  • Amperage Rating: 350 A
  • Voltage Rating: 600 Vac, 250 Vdc
  • Number of Poles: Three-pole
  • Frame Type: L Frame
  • Series: Series C
  • Trip Type: Fixed thermal, fixed magnetic (T186)
  • Interrupt Rating: 65 kAIC at 240 Vac, 35 kAIC at 480 Vac
  • Terminal Material: Aluminum
  • Frequency Rating: 50 to 60 Hz
  • Circuit Breaker Type: Complete breaker
  • Certifications: UL 489