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Siemens HHLD63B300L - 3-Pole 300A Molded Case Circuit Breaker

Siemens
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Siemens HHLD63B300L is a Sentron Series molded case circuit breaker engineered for overcurrent protection in industrial and commercial power distribution systems. This 3-pole, 300-ampere unit operates at 600V AC with a thermal-magnetic trip mechanism providing long-time and instantaneous (LI) protection functions, and delivers a 100kA interrupt rating at 480V. The LD frame design measures 12.992 x 8.661 x 6.693 inches and weighs 19.533 lb, featuring a feed-thru lug connection for bolt-on installation. It is manufactured in Mexico and complies with industry standards for reliable performance in demanding electrical environments. Typical applications include panelboards, switchboards, and distribution equipment requiring high fault current protection.

Key Features & Specifications
  • Manufacturer: Siemens
  • Family: Sentron Series
  • Type: HHLD
  • Item Subcategory: Molded Case
  • Frame Size: LD Frame
  • Poles: 3
  • Phase: 3
  • Current Rating: 300A
  • Voltage Rating: 600V
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • AIC rating: 100kA@480V
  • Connection: Feed-Thru
  • Dimensions: 12.992 x 8.661 x 6.693 inch
  • Weight: 19.533 lb
  • Country of Origin: Mexico


Product Identification
  • UPC: 783643008274
  • GTIN: 00783643008274