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Siemens HHLD63B300 - Molded Case Breaker 300A 600V

Siemens
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Siemens HHLD63B300 is a 3-pole molded case circuit breaker from the Sentron Series, designed to provide LI (Long-Time and Instantaneous) protection for industrial power distribution systems. This thermal magnetic breaker is rated for 300A at 600VAC with a high interrupting capacity of 100kA at 480VAC, featuring a bolt-on connection and LD frame construction. Weighing 21.804 lb, it is manufactured in Mexico and built for robust overcurrent protection in three-phase applications. The HHLD63B300 complies with industry standards for molded case circuit breakers, making it suitable for use in switchboards, panelboards, and industrial control panels where reliable fault interruption is required.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Sentron Series, Thermal Magnetic Protection
  • Voltage Rating: 600V AC
  • Current Rating: 300A
  • Poles: 3
  • Phase: 3
  • AIC Rating: 100kA at 480V
  • Connection: Bolt-On
  • Frame Size: LD Frame
  • Protection: LI - Long-Time and Instantaneous
  • Functions: Long-Time and Instantaneous Trip
  • Weight: 21.804 lb
  • Country of Origin: Mexico
  • Circuit Breaker Mounting Style: Bolt-On
  • Terminal Connection: Bolt-On
  • Frequency Rating: 60 Hz
  • Phase Connection: 3-Phase
  • Standards: UL, CSA, NEMA
  • Installation Type: Fixed
  • Item QTY: 1
  • Breaker Frame: LD
  • Current Rating: 300A
  • Operating Temperature Maximum Celsius: 40°C


Product Identification
  • UPC: 783643008267
  • GTIN: 00783643008267