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Eaton LDB3300W - Molded Case Breaker 300A 3-Pole 600V

Cutler Hammer
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Eaton LDB3300W is a 300 Amp, 3-pole molded case circuit breaker from the Series C family, designed for thermal-magnetic overcurrent protection with long-time and instantaneous (LI) trip functions. Rated for 600VAC at 50/60 Hz, it delivers an interrupting capacity of 35 kA at 480VAC and 65 kA at 240VAC, with a 3-phase, bolt-on connection for secure installation. The L-frame breaker weighs 24 lb and features a fixed thermal and fixed magnetic trip unit, though it does not include lugs. It complies with industry standards for robust performance in demanding electrical environments, making it suitable for line and load applications in industrial power distribution systems.

Key Features & Specifications
  • Manufacturer: Eaton
  • Item Subcategory: Molded Case
  • Family: Series C
  • Type: LDB
  • Weight: 24 lb
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: L Frame
  • Voltage Rating: 600 VAC
  • Poles: 3
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • AIC rating: 35 kA at 480 VAC
  • Phase: 3
  • Current Rating: 300 Amp
  • Interrupt Rating: 65 kA at 240 VAC
  • Trip Type: Fixed Thermal, Fixed Magnetic
  • Frequency: 50/60 Hz
  • Application: Molded Case Circuit Breaker