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Siemens HED41B045 - Molded Case Circuit Breaker 45A 277V

Siemens
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Siemens HED41B045 is a molded case circuit breaker designed for providing reliable overcurrent protection in commercial and industrial electrical systems. It features a 45A current rating and a 277V AC voltage rating, housed within a compact 1" x 6.34" frame with a load-side lug connection. This thermal-magnetic breaker offers both long-time and instantaneous trip functions, is HACR rated and UL listed for safety compliance, and is engineered for operation in temperatures from -25 to 70 °C. It is typically applied in single-phase systems within SB switchboards and Sentron panelboards, providing a 25kA interrupting capacity at 277V for effective fault protection.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection, Standard Trip
  • Voltage Rating: 277V AC
  • Current Rating: 45A
  • Dimensions: 1 in x 6.34 in
  • Weight: 1.25 lb
  • Standards: HACR Rated, UL Listed
  • Applications: SB Switchboards, Sentron Panelboards
  • Switch Type: Circuit Breaker
  • Configuration: Fixed
  • Phase: 1
  • Poles: 1
  • AIC Rating: 25kA @ 277V
  • Connection: Lug In Panelboard, Load Side Lug
  • Protection: Thermal Magnetic
  • Functions: Long Time and Instantaneous Trip
  • Frame Size: 125A/ED
  • Breaker Type: Standard
  • Temp Rating: -25 to 70 °C (-13 to 158 °F)
  • MCM Size: Min. Wire Size 10 AWG, Max. Wire Size 1/0 AWG
  • Phase Connection: ABC
  • Certification: HACR Rated, UL Listed
  • Family: Sentron Series
  • Country of Origin: Mexico


Product Identification
  • UPC: 783643209879
  • GTIN: 00783643209879