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Siemens HKB3F800 - Molded Case Circuit Breaker Frame 800A 3-Pole

Siemens
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Siemens HKB3F800 is a molded case circuit breaker frame from the HKB3 Series, designed for 3-phase industrial power distribution systems requiring LI (Long-Time and Instantaneous) protection functions. This 3-pole, 800A device is rated for 600VAC and delivers a 50kA interrupting capacity at 480VAC, utilizing a thermal-magnetic trip mechanism for reliable overload and short circuit response. The unit weighs 42 lb and features a bolt-on connection type with a K frame construction, though it is supplied as a frame only, meaning no lugs or trip unit are included. It complies with UL and CSA standards for safety and performance in demanding environments. Typical applications include main or feeder protection in commercial and industrial electrical panels where high-current capacity and robust protection are required.

Key Features & Specifications
  • Manufacturer: Siemens
  • Item Subcategory: Molded Case
  • Family: HKB3 Series
  • Type: HKB
  • Weight: 42 lb
  • Functions: LI - Long-Time and Instantaneous
  • Voltage Rating: 600VAC
  • Poles: 3
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • AIC rating: 50kA@480V
  • Phase: 3
  • Current Rating: 800A
  • Frame Type: K Frame
  • Mounting Type: Fixed
  • Interrupt Rating: 100kA @ 240VAC, 65kA @ 480VAC
  • Certifications: UL, CSA


Part Number: HKB3F800