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Siemens HE43M045 - 45A 3-Pole Molded Case Breaker (480V)

Siemens
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The Siemens HE43M045 is a 3-pole molded case circuit breaker from the HE Series, designed to provide thermal-magnetic protection for industrial electrical systems. It is rated for 45A at 480V AC with a 25kA interrupting capacity at 480V, utilizing LI (Long-Time and Instantaneous) trip functions for precise overcurrent protection. This bolt-on unit weighs 7 lb and features a compact, robust construction suitable for panelboard installation. It complies with industry standards for molded case breakers, ensuring reliable performance in demanding environments. Typical applications include branch circuit protection in commercial and industrial power distribution systems.

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


Product Identification
  • Manufacturer: Siemens
  • Item Subcategory: Molded Case
  • Family: HE Series
  • Type: HE