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Siemens JK3B175 - Molded Case Circuit Breaker 175A 600V 3-Pole

Siemens
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Siemens JK3B175 is a 3-pole molded case circuit breaker from the JK frame family, designed for LI (Long-Time and Instantaneous) overcurrent protection in industrial and commercial power distribution systems. It is rated for 175 Amps at 600 Volts AC, utilizing a thermal magnetic trip mechanism to safeguard against overloads and short circuits, and features a bolt-on connection for secure panel mounting. This three-phase unit weighs 16 lb and is built with a compact molded case construction for durability in demanding environments.

Key Features & Specifications
  • Manufacturer: Siemens
  • Model: JK3B175
  • Type: JK
  • Item Subcategory: Molded Case
  • Family: JK Frame
  • Functions: LI - Long-Time and Instantaneous
  • Voltage Rating: 600 VAC
  • Current Rating: 175 Amps
  • Poles: 3
  • Phase: 3
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • Weight: 16 lb
  • Interrupt Rating: Typically 10kA (verify exact rating per application)
  • Certifications: UL Listed, CSA Certified