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Siemens KL3B225 - Molded Case Circuit Breaker 225A 600V 3-Pole

Siemens
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Siemens KL3B225 is a 3-pole molded case circuit breaker from the KL Frame family, designed to provide LI (Long-Time and Instantaneous) protection for electrical systems. Rated for 600V AC and 225 amps continuous current, this thermal magnetic breaker features a bolt-on connection for secure installation in three-phase power distribution applications. Weighing 25 lb, the Type KL unit is constructed for durability and straightforward integration into industrial and commercial panels. It meets standard industry certifications for molded case circuit breakers, ensuring reliable performance in overcurrent protection scenarios. This breaker is typically applied in industrial and commercial power distribution systems requiring robust, dependable circuit interruption.

Key Features & Specifications
  • Type: KL
  • Functions: LI - Long-Time and Instantaneous
  • Voltage Rating: 600 V AC
  • Amperage: 225 A
  • Number of Poles: 3
  • Phase: 3
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • Weight: 25 lb
  • Interrupt Rating: Typically 10 kA or higher (standard for KL series)
  • Certifications: UL Listed, CSA Certified (typical for Siemens MCCBs)