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Eaton HMDLB2300 - Molded Case 300A 600V 2-Pole Breaker

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Eaton HMDLB2300 is a 2-pole molded case circuit breaker designed for overcurrent protection in commercial and industrial power distribution systems. This 300A unit operates at 600V with a 65kA interrupting capacity at 480V, utilizing a fixed thermal and fixed magnetic trip unit for long-time and instantaneous (LI) protection. Part of the Series C family on an M Frame, it weighs 31 lb and features a feed-thru connection with a single-phase, thermal magnetic design. The breaker complies with UL 489 standards for safety and performance in demanding electrical environments.

Key Features & Specifications
  • Manufacturer: Eaton
  • Item Subcategory: Molded Case
  • Family: Series C
  • Type: HMDLB
  • Weight: 31 lb
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: M Frame
  • Voltage Rating: 600V
  • Poles: 2
  • Connection: Feed-Thru
  • Protection: Thermal Magnetic
  • AIC rating: 65kA@480V
  • Phase: 1
  • Current Rating: 300A
  • Part Number: HMDLB2300
  • Mounting Type: Feed-Thru
  • Trip Unit: Fixed Thermal/Fixed Magnetic
  • Application: Commercial/Industrial
  • Standards: UL 489