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Siemens KMB2B800 - Molded Case 800A 2-Pole Breaker

Siemens
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Siemens KMB2B800 is a 2-pole molded case circuit breaker from the KMB Series, designed to provide primary overcurrent protection for power distribution systems. This unit utilizes a thermal-magnetic trip mechanism with LI (Long-Time and Instantaneous) functions, rated for 800A at 600VAC with a 30kA interrupting capacity at 480V. The bolt-on connection type and single-phase configuration support a compact, durable construction weighing 10 lb. It is UL Listed and CSA Certified for safety compliance. Typical industrial applications include protecting branch circuits and feeder lines in commercial and industrial power distribution panels.

Key Features & Specifications
  • Type: Molded Case
  • Family: KMB Series
  • Functions: LI - Long-Time and Instantaneous
  • Voltage Rating: 600VAC
  • Current Rating: 800A
  • Poles: 2
  • Phase: 1
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • AIC Rating: 30kA@480V
  • Weight: 10 lb
  • Certifications: UL Listed, CSA Certified
  • Application: Industrial and commercial power distribution