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Siemens JL3B225 - Molded Case Circuit Breaker 225A 600V 3P

Siemens
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Siemens JL3B225 is a 3-pole molded case circuit breaker from the JL Series, designed to provide overcurrent protection through a thermal magnetic trip unit with LI (Long-Time and Instantaneous) functions. It is rated for 225A at 600V AC and delivers an interrupting capacity of 35kA at 480V AC, suitable for safeguarding electrical circuits against overloads and short circuits. The unit weighs 24 lb, features a bolt-on connection for secure installation, and operates on a 3-phase system. This breaker complies with UL listing standards, ensuring reliable performance in demanding environments. It is typically applied in industrial and commercial panelboards and switchboards requiring robust circuit protection.

Key Features & Specifications
  • Manufacturer: Siemens
  • Item Subcategory: Molded Case
  • Family: JL Series
  • Type: JL
  • Weight: 24 lb
  • Functions: LI - Long-Time and Instantaneous
  • Voltage Rating: 600V AC
  • Poles: 3
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • AIC Rating: 35 kA at 480 VAC
  • Phase: 3
  • Current Rating: 225 Amp
  • Frame: JL Frame (200-400 Amp range)
  • Certifications: UL Listed
  • Frequency: 50/60 Hz