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Siemens LD63B450 - Molded Case 450A 600V 3-Pole

Siemens
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Siemens LD63B450 Circuit Breaker - Molded Case 450A 600V 3-Pole (Thermal Magnetic) The Siemens LD63B450 is a 3-pole molded case circuit breaker from the Sentron Series, designed to provide reliable overcurrent protection through its LI (Long-Time and Instantaneous) trip functions. This 450A rated breaker operates at 600V with a 35kA interrupting capacity at 480V, utilizing thermal magnetic protection for low voltage power distribution applications. Constructed with a standard LD frame and weighing 20.79 lb, it features a bolt-on connection with included lugs for secure line side termination and is rated for 40°C operation at 50/60 Hz. The LD63B450 is manufactured in Mexico and complies with industry standards for surface mounting in industrial and commercial installations. This circuit breaker is well-suited for use in panelboards, switchboards, and other power distribution equipment requiring robust overcurrent protection.

Key Features & Specifications
  • Type: Molded Case
  • Family: Sentron Series
  • Frame Size: LD Frame
  • Poles: 3
  • Current Rating: 450A
  • Voltage Rating: 600V
  • Interrupt Rating: 35kA @ 480V
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Connection: Bolt-On
  • Mounting Type: Surface Mount
  • Terminal Method: Lug (Included)
  • Temperature Rating: 40°C
  • Frequency Rating: 50/60 Hz
  • Phase: 3
  • Weight: 20.79 lb
  • Country of Origin: Mexico


Product Identification
  • UPC: 783643213883
  • GTIN: 00783643213883