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Siemens K3B225 - Molded Case 225A 600V 3-Pole Breaker

Siemens
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Siemens K3B225 is a 3-pole molded case circuit breaker from the K Frame family, designed to provide thermal-magnetic protection with long-time and instantaneous (LI) trip functions for industrial power distribution systems. It is rated for 600V AC, 225A continuous current, and supports 3-phase operation with a bolt-on connection for secure panel mounting. The unit weighs 15 lb and features a compact molded case construction suitable for standard industrial enclosures. This breaker complies with applicable UL and NEMA standards for overcurrent protection in commercial and industrial applications. Typical uses include main feeder protection, branch circuit protection, and motor control centers in manufacturing plants and heavy machinery environments.

Key Features & Specifications
  • Type: Molded Case, Thermal Magnetic, LI (Long-Time and Instantaneous)
  • Voltage Rating: 600V AC
  • Current Rating: 225A
  • Poles: 3
  • Phase: 3
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Family: K Frame
  • Weight: 15 lb
  • Standards: UL, NEMA
  • Applications: Main feeder protection, branch circuit protection, motor control centers


Product Identification
  • UPC: Not specified
  • GTIN: Not specified