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Siemens LL63B500 - Molded Case 500A 600V (3-Pole Thermal Magnetic)

Siemens
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Siemens LL63B500 Circuit Breaker - Molded Case 500A 600V (3-Pole Thermal Magnetic) The Siemens LL63B500 is a 3-pole molded case circuit breaker from the Sentron Series, designed for LI (Long-Time and Instantaneous) protection against overloads and short circuits. It is rated for 600V AC, 500A continuous current, and delivers a 35kA interrupting capacity at 480V, ensuring robust fault clearance in industrial power systems. This bolt-on unit weighs 25 lb and features a thermal magnetic trip mechanism for reliable overcurrent protection across three-phase applications. It complies with industry standards for molded case breakers, suitable for distribution panels and motor control centers requiring high amperage handling. Typical applications include main service disconnects, feeder protection, and branch circuit protection in manufacturing plants, commercial buildings, and heavy machinery installations.

Key Features & Specifications
  • Type: Molded Case, Sentron Series, LL
  • Voltage Rating: 600V AC
  • Current Rating: 500A
  • Poles: 3
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • AIC rating: 35kA@480V
  • Phase: 3
  • Functions: LI - Long-Time and Instantaneous
  • Weight: 25 lb
  • Circuit Breaker Mounting Style: Bolt-On
  • Terminal Connection: Bolt-On
  • Frequency Rating: 60 Hz (typical)
  • Phase Connection: 3-Phase
  • Standards: UL 489, CSA C22.2 No. 5
  • Compatible Frames: Sentron Series
  • Installation Type: Fixed
  • Item QTY: 1
  • Breaker Frame: LL
  • Current Rating: 500A
  • Operating Temperature Maximum Celsius: 40°C (typical)
  • Max Clamp Voltage: N/A
  • On-State Current: N/A


Product Identification
  • UPC: Not provided
  • GTIN: Not provided