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Eaton HLD3350X - Molded Case 350A 600V 3-Pole Breaker

Cutler Hammer
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Eaton HLD3350X is a three-pole molded case circuit breaker from the Series C family, designed to provide long-time and instantaneous (LI) protection for industrial power distribution and motor protection applications. It is rated for 350A at 600VAC and delivers a 65kA interrupting capacity at 480VAC, with a thermal magnetic trip mechanism and bolt-on connection for secure installation. The L-frame breaker weighs 22 lb and features aluminum line and load terminals, operating at 50/60 Hz for reliable performance in demanding environments. It is UL Listed, ensuring compliance with industry safety standards for commercial and industrial electrical systems. This breaker is suited for use in switchboards, panelboards, and motor control centers requiring robust overcurrent protection.

Key Features & Specifications
  • Manufacturer: Eaton
  • Item Subcategory: Molded Case
  • Family: Series C
  • Type: HLD
  • Weight: 22 lb
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: L Frame
  • Voltage Rating: 600 Vac, 250 Vdc
  • Poles: 3
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • AIC rating: 65 kAIC at 480 Vac, 100 kAIC at 240 Vac
  • Phase: 3
  • Current Rating: 350 A
  • Trip Type: Fixed thermal, fixed magnetic
  • Terminal Configuration: Line and load
  • Terminal Material: Aluminum
  • Frequency Rating: 50 to 60 Hz
  • Certifications: UL Listed
  • Dimensions: 8.25 in H x 8.25 in W x 4.06 in D