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Siemens K3B100 - Molded Case Circuit Breaker 100A 600V 3-Pole

Siemens
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Siemens K3B100 is a 3-pole molded case circuit breaker from the K Frame family, designed for thermal magnetic overcurrent protection with long-time and instantaneous (LI) trip functions. Rated for 600V AC and 100A continuous current, this three-phase breaker uses a bolt-on connection for secure panel mounting. The unit weighs 15 lb and features a compact industrial construction suited for distribution panelboards and switchboards. It complies with applicable industry standards for overcurrent protection in commercial and industrial electrical systems. Typical applications include branch circuit protection, feeder protection, and motor control centers requiring reliable thermal magnetic performance.

Key Features & Specifications
  • Manufacturer: Siemens
  • Item Subcategory: Molded Case
  • Family: K Frame
  • Type: K3B
  • Weight: 15 lb
  • Functions: LI - Long-Time and Instantaneous
  • Voltage Rating: 600V
  • Poles: 3
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • Phase: 3
  • Current Rating: 100A
  • Amperage: 100 Amps
  • Mounting Type: Bolt-On
  • Trip Unit: Thermal Magnetic