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Siemens CJ3B175 - Molded Case Circuit Breaker 175A 600V

Siemens
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Siemens CJ3B175 is a 3-pole molded case circuit breaker from the CJ series, designed for overcurrent protection in commercial and industrial power distribution systems. It delivers 175A of current at 600V AC with a thermal magnetic trip unit providing long-time and instantaneous (LI) protection functions, and features a bolt-on mounting style for secure installation. The breaker weighs 32 lb and offers a high interrupting capacity of 100kA at 480V AC. It is UL 489 Listed, ensuring compliance with rigorous safety and performance standards. This unit is typically used in panelboards and switchgear for reliable branch circuit protection.

Key Features & Specifications
  • Type: Molded Case
  • Family: Cordon
  • Type: CJ
  • Weight: 32 lb
  • Functions: LI - Long-Time and Instantaneous
  • Voltage Rating: 600V AC
  • Poles: 3
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • AIC rating: 100kA @ 480V
  • Phase: 3
  • Current Rating: 175A
  • Frame Size: 400A
  • DC Voltage Rating: 250V DC
  • Standards: UL 489 Listed


Part Number: CJ3B175