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Eaton HMDL2300 - Molded Case Breaker 300A

Cutler Hammer
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Eaton HMDL2300 is a 2-pole molded case circuit breaker from the Series C family, designed for thermal magnetic overcurrent protection in industrial power distribution systems. This unit is rated for 300A at 600VAC, with a 65kA interrupting capacity at 480VAC, and features LI (Long-Time and Instantaneous) trip functions for precise fault response. Constructed with an M Frame and feed-thru connection, the breaker measures 0.01 inches in length, height, and width, weighing 0.01 lb, and is manufactured in the United States. It is UL Listed, ensuring compliance with rigorous safety standards for commercial and industrial applications. Typical uses include protecting feeders, motors, and branch circuits in panelboards, switchboards, and motor control centers.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic, Series C
  • Voltage Rating: 600V
  • Current Rating: 300A
  • Dimensions: Length 0.01in, Height 0.01in, Width 0.01in
  • Standards: UL Listed
  • Applications: Industrial power distribution, feeder and branch circuit protection
  • Switch Type: Circuit Breaker
  • Configuration: 2-Pole
  • Voltage: 600V
  • Amperage: 300A
  • AIC rating: 65kA@480V
  • Connection: Feed-Thru
  • Poles: 2
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: M Frame
  • Trip Type: Thermal Magnetic
  • Breaker Type: Molded Case
  • Phase: 1
  • Certification: UL Listed
  • Circuit Breaker Mounting Style: Fixed
  • Terminal Connection: Feed-Thru
  • Frequency Rating: 50/60 Hz
  • Phase Connection: Single Phase
  • Standards: UL 489
  • Installation Type: Fixed Mount
  • Item QTY: 1
  • Breaker Frame: M Frame
  • Current Rating: 300A
  • Operating Temperature Maximum Celsius: 40°C


Product Identification
  • UPC: 782114585856
  • GTIN: 00782114585856