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Eaton HLDB3300W - Molded Case 300A 600V 3-Pole

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Eaton HLDB3300W is a three-pole molded case circuit breaker from the Series C family, designed for thermal-magnetic overcurrent protection in industrial and commercial power distribution systems. It is rated for 300 amps at 600 volts AC with a 65kA interrupting capacity at 480V, utilizing LI (Long-Time and Instantaneous) trip functions for dependable fault response. The L-frame breaker features a bolt-on connection, weighs 25 lb, and supports both line and load connections in 50/60 Hz systems. It complies with industry standards for robust circuit protection in demanding environments. Typical applications include motor control centers, panelboards, and switchboards requiring reliable branch circuit protection.

Key Features & Specifications
  • Manufacturer: Eaton
  • Item Subcategory: Molded Case
  • Family: Series C
  • Type: HLDB
  • 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: 65kA@480V
  • Phase: 3
  • Current Rating: 300A
  • Amperage: 300 A
  • Maximum Voltage: 600 VAC
  • Mounting Type: Bolt-On
  • Interrupt Rating: 65 kAIC at 480 VAC
  • Connection Type: Line and Load
  • Trip Unit: Fixed Thermal/Fixed Magnetic
  • Frequency: 50/60 Hz


Part Number: HLDB3300W