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KMB3F800

Siemens
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Siemens KMB3F800 is a 3-pole molded case circuit breaker frame designed for 800A thermal magnetic protection in 3-phase power distribution systems. Rated for 600V AC with a 30kA interrupting capacity at 480V, this bolt-on unit weighs 10 lb and is constructed as a frame only, requiring separate lugs and trip unit for operation. It complies with OEM Siemens standards for industrial and commercial electrical systems requiring robust overcurrent protection.

Key Features & Specifications
  • Type: KMB
  • Item Subcategory: Molded Case
  • Family: KMB Series
  • Weight: 10 lb
  • Voltage Rating: 600V
  • Poles: 3
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • AIC rating: 30kA@480V
  • Phase: 3
  • Current Rating: 800A
  • 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.


Siemens KMB3F800 - Molded Case 800A Frame (3-Pole, 600V)