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Siemens HKB3F120 - Molded Case Circuit Breaker Frame 1200A 600V

Siemens
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Siemens HKB3F120 is a 3-pole molded case circuit breaker frame designed for overcurrent protection in industrial power distribution systems. It is rated for 600V AC, 1200A continuous current, and provides LI (Long-Time and Instantaneous) protection functions through a thermal magnetic trip mechanism. The unit weighs 42 lb, features a bolt-on connection style, and achieves a 50kA interrupting capacity at 480V AC in a 3-phase configuration. This frame-only product complies with applicable industry standards for molded case circuit breakers and is intended for use in switchboards, panelboards, and other commercial or industrial electrical systems requiring high-current protection.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker Frame
  • Voltage Rating: 600V AC
  • Current Rating: 1200A
  • Poles: 3
  • Phase: 3
  • AIC Rating: 50kA@480V
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Weight: 42 lb
  • Additional Info: This item is Frame only as defined by the part number. That means it is only the circuit breaker frame, and no lugs or trip unit is included with the frame.


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