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Siemens JJ63B350 - 3-Pole Molded Case Circuit Breaker 350A 600V

Siemens
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Save $-1,770.66
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Siemens JJ63B350 Circuit Breaker is a 3-pole molded case circuit breaker designed for overcurrent protection in industrial power distribution systems. It is rated for 600V AC, 350A continuous current, and provides LI (Long-Time and Instantaneous) protection functions via a thermal magnetic trip mechanism. This bolt-on unit weighs 22 lb and features a compact JJ frame construction for panelboard installation. It complies with UL and NEMA standards, carrying a 25kA interrupting capacity at 480V. Typical applications include feeder protection in commercial and industrial electrical systems.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic, Bolt-On Connection
  • Voltage Rating: 600V AC
  • Current Rating: 350A
  • Poles: 3
  • Phase: 3
  • AIC Rating: 25kA@480V
  • Functions: LI - Long-Time and Instantaneous
  • Weight: 22 lb
  • Family: JJ Frame
  • Connection: Bolt-On
  • Protection: Thermal Magnetic


Product Identification
  • UPC: Not available
  • GTIN: Not available