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Siemens JK3B070 - Molded Case Circuit Breaker 70A 600V

Siemens
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The Siemens JK3B070 is a three-pole molded case circuit breaker from the JK Frame family, designed for thermal-magnetic protection in industrial power distribution systems. It is rated for 600V AC and 70A, providing long-time and instantaneous (LI) trip functions to safeguard against overloads and short circuits. This bolt-on unit weighs 16 lb and features a compact, robust construction suitable for panelboard installation. It complies with industry standards for molded case circuit breakers, ensuring reliable performance in demanding environments. Typical applications include motor control centers, lighting panels, and branch circuit protection in commercial and industrial facilities.

Key Features & Specifications
  • Type: Molded Case, Thermal Magnetic
  • Voltage Rating: 600V AC
  • Current Rating: 70A
  • Poles: 3
  • Phase: 3
  • Connection: Bolt-On
  • Functions: LI - Long-Time and Instantaneous
  • Weight: 16 lb
  • Family: JK Frame
  • Item Subcategory: Molded Case


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