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Siemens JK3B225 - Molded Case 225A 600V 3-Pole

Siemens
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The Siemens JK3B225 is a three-pole molded case circuit breaker from the JK Frame family, designed to provide LI (Long-Time and Instantaneous) protection for industrial power distribution systems. It is rated for 600V AC and 225A, utilizing a thermal magnetic trip mechanism 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 protecting feeders, motors, and branch circuits in commercial and industrial facilities.

Key Features & Specifications
  • Type: Molded Case, Thermal Magnetic, LI Protection
  • Voltage Rating: 600V AC
  • Current Rating: 225A
  • Poles: 3
  • Phase: 3
  • Connection: Bolt-On
  • Functions: Long-Time and Instantaneous (LI)
  • Weight: 16 lb
  • Family: JK Frame
  • Standards: Industry standard molded case breaker compliance
  • Applications: Industrial power distribution, feeder protection, motor circuits


Product Identification
  • Manufacturer: Siemens
  • Model: JK3B225
  • Item Subcategory: Molded Case