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Siemens JKL3B400 - Molded Case 400A 600V 3-Pole

Siemens
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Siemens JKL3B400 is a 3-pole molded case circuit breaker from the JKL Series, designed for industrial power distribution with thermal magnetic protection providing long-time and instantaneous (LI) trip functions. It is rated for 600V AC and 400A continuous current, utilizing a bolt-on connection for secure installation in electrical panels. Weighing 12 lb, this 3-phase breaker features a compact molded case construction for durability in demanding environments. It complies with UL standards typical for Siemens breakers, ensuring reliable overload and short circuit protection. This breaker is suited for industrial applications requiring robust circuit protection in power distribution systems.

Key Features & Specifications
  • Type: Molded Case
  • Family: JKL Series
  • Poles: 3
  • Current Rating: 400A
  • Voltage Rating: 600V AC
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Connection: Bolt-On
  • Phase: 3
  • Weight: 12 lb
  • Mounting Type: Bolt-On
  • Frame/Series: JKL (ITE Siemens)
  • Application: Industrial Power Distribution
  • Certifications: UL Listed