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Eaton 504C740G11 - Molded Case 300A 2-Pole (600V)

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Eaton MARK 75 504C740G11 is a 2-pole molded case circuit breaker designed for overcurrent protection in industrial power distribution systems. It delivers a 300A continuous current rating at 600VAC with a 35kA interrupting capacity at 480VAC, utilizing thermal-magnetic protection with LI (long-time and instantaneous) trip functions. The unit weighs 26 lb and features a bolt-on connection type for secure panel mounting in single-phase applications. This breaker complies with UL 489 and IEC 60947-2 standards for global safety certification. It is suited for fixed installation in commercial and industrial switchboards, panelboards, and motor control centers.

Key Features & Specifications
  • Manufacturer: Eaton
  • Model: 504C740G11
  • Type: HLA
  • Family: MARK 75
  • Item Subcategory: Molded Case
  • Poles: 2
  • Current Rating: 300A
  • Voltage Rating: 600V
  • Phase: 1
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • AIC Rating: 35kA@480V
  • Connection: Bolt-On
  • Weight: 26 lb
  • Certifications: UL 489, IEC 60947-2
  • Mounting Type: Fixed