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Siemens HE2B045 - Molded Case Circuit Breaker 45A 480V

Siemens
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Siemens HE2B045 is a 2-pole molded case circuit breaker from the HE Series, designed for reliable overload and short circuit protection in industrial and commercial applications. It is rated for 45 amps at 480 volts AC, utilizing a thermal-magnetic trip unit with LI (Long-Time and Instantaneous) functions to ensure precise protection. The breaker features a bolt-on connection for secure panelboard installation, weighs 3 lb, and is a single-phase unit. It complies with UL and CSA standards for safety and performance, with an interrupting rating of 25kA at 480V AC. This breaker is suitable for protecting branch circuits in distribution panels, motor control centers, and other electrical systems requiring dependable circuit isolation.

Key Features & Specifications
  • Manufacturer: Siemens
  • Model: HE2B045
  • Type: Molded Case
  • Family: HE Series
  • Frame Type: HE
  • Amperage: 45 Amps
  • Voltage Rating: 480 Volts AC
  • Number of Poles: 2
  • Phase: 1
  • Functions: LI - Long-Time and Instantaneous
  • Protection: Thermal Magnetic
  • Mounting Type: Bolt-On
  • Connection: Bolt-On
  • Interrupt Rating: 25kA at 480V
  • Weight: 3 lb
  • Certifications: UL, CSA