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

Siemens
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Siemens K3B225 is a 3-pole molded case circuit breaker from the K Frame family, designed for thermal magnetic protection against overloads and short circuits in industrial power systems. It is rated for 225 amps at 600V AC, providing LI (Long-Time and Instantaneous) trip functions for 3-phase applications with a bolt-on connection type. The unit weighs 15 lb and features a compact, durable construction suitable for standard interrupting capacity requirements. This breaker complies with industry standards for molded case circuit breakers, ensuring reliable performance in demanding electrical environments. Typical applications include motor control centers, distribution panels, and industrial machinery requiring robust circuit protection.

Key Features & Specifications
  • Manufacturer: Siemens
  • Type: K3B
  • Item Subcategory: Molded Case
  • Family: K Frame
  • Functions: LI - Long-Time and Instantaneous
  • Voltage Rating: 600V AC
  • Current Rating: 225 Amps
  • Poles: 3 Pole
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • Phase: 3
  • Weight: 15 lb
  • Interrupting Rating: Standard
  • Mounting Type: Bolt-On
  • Application: 3 Phase Circuit Protection