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Cutler Hammer LDB3300 - 300A 3-Pole Molded Case Breaker

Cutler Hammer
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Cutler Hammer LDB3300 is a three-pole molded case circuit breaker from the Series C family, designed to provide overcurrent protection through a fixed thermal magnetic trip unit with long-time and instantaneous functions. It is rated for 300A at 600V AC, with an interrupting capacity of 35kA at 480V and 65kA at 240V, and operates at 50/60 Hz. The breaker features an L-frame size, aluminum line and load terminals, and measures 4.06 inches in depth, 8.25 inches in height, and 8.25 inches in width, weighing 20 lb. It is UL 489 certified for safety compliance and manufactured in the United States. This circuit breaker is suited for commercial and industrial power distribution systems requiring reliable thermal magnetic protection.

Key Features & Specifications
  • Type: Molded Case
  • Manufacturer: Cutler Hammer
  • Family: Series C
  • Type: LDB
  • Frame Size: L Frame
  • Poles: 3
  • Current Rating: 300 A
  • Voltage Rating: 600 V AC
  • Interrupt Rating: 35kAIC at 480V, 65kAIC at 240V
  • Frequency Rating: 50/60 Hz
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Trip Unit: Fixed thermal, fixed magnetic (T186)
  • Connection: Feed-Thru
  • Terminal Material: Aluminum
  • Mounting Type: Line and load terminals
  • Dimensions: 4.06 in x 8.25 in x 8.25 in (Length/Depth x Height x Width)
  • Weight: 20 lb
  • Phase: 3
  • Certification: UL 489
  • Country of Origin: United States


Product Identification
  • UPC: 786679147900
  • GTIN: 00786679147900