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Siemens E63B045 - Molded Case 45A 3-Pole Thermal Magnetic

Siemens
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Siemens E63B045 Circuit Breaker - Molded Case 45A 3-Pole Thermal Magnetic The Siemens E63B045 is a 3-pole molded case circuit breaker from the E Series, designed for overcurrent protection with LI (Long-Time and Instantaneous) trip functions. It is rated for 600V AC, 45A continuous current, and provides a 25kA interrupting capacity at 480V, ensuring reliable fault interruption in industrial power systems. This bolt-on unit weighs 7 lb and features a thermal magnetic protection mechanism for precise coordination of overload and short-circuit conditions. It complies with industry standards for molded case circuit breakers, making it suitable for distribution panels and motor control centers in commercial and industrial facilities. Typical applications include branch circuit protection, feeder protection, and equipment disconnecting means in three-phase power systems.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, E Series, Thermal Magnetic
  • Voltage Rating: 600V AC
  • Current Rating: 45A
  • Poles: 3
  • Phase: 3
  • AIC Rating: 25kA@480V
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Weight: 7 lb
  • Family: E Series
  • Type: E
  • Item Subcategory: Molded Case


Product Identification
  • Manufacturer: Siemens
  • Model: E63B045