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Siemens LJ63B500 - 500A 3-Pole Thermal Magnetic Breaker

Siemens
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Siemens LJ63B500 Circuit Breaker - 500A 3-Pole Thermal Magnetic The Siemens LJ63B500 is a 3-pole molded case circuit breaker from the LJ Series, designed to provide LI (Long-Time and Instantaneous) protection for industrial electrical systems. It is rated for 600V AC, 500A continuous current, and delivers an interrupting capacity of 35kA at 480V, ensuring robust fault clearing under high-fault conditions. This bolt-on unit weighs 25 lb and features a thermal magnetic trip mechanism for reliable overcurrent and short-circuit protection. The breaker complies with industry standards for molded case circuit breakers and is suitable for use in distribution panels, motor control centers, and switchboards requiring 3-phase, 600V protection.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic, Bolt-On
  • Voltage Rating: 600V AC
  • Current Rating: 500A
  • Poles: 3
  • Phase: 3
  • AIC Rating: 35kA@480V
  • Connection: Bolt-On
  • Protection: LI - Long-Time and Instantaneous
  • Weight: 25 lb
  • Family: LJ Series
  • Type: LJ


Product Identification
  • UPC: Not specified
  • GTIN: Not specified