Siemens HED42B045 - Molded Case Breaker 45A 480V 42kA
Siemens HED42B045 - Molded Case Breaker 45A 480V 42kA

Siemens HED42B045 - Molded Case Breaker 45A 480V 42kA

Siemens
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Siemens HED42B045 is a molded case circuit breaker designed for reliable overcurrent protection in industrial power distribution systems. It features a 45A current rating and a 480V AC voltage rating, housed within a compact 125A/ED frame with a 2.8 lb weight and load side lug connections. The breaker utilizes a thermal-magnetic trip unit providing both long-time and instantaneous (LI) protection, achieving a 42kA interrupting rating at 480V, and is constructed for operation in temperatures from -25 to 70 °C. It complies with UL standards and is HACR rated for use in heating, air conditioning, and refrigeration equipment, making it suitable for installation in Sentron panelboards and SB switchboards for single-phase (ABC connection) applications.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic Protection, Standard Breaker Type
  • Voltage Rating: 480V AC
  • Current Rating: 45A
  • Frame Size: 125A/ED
  • Poles: 2
  • AIC Rating: 42kA @ 480V
  • Phase: 1
  • Phase Connection: ABC
  • Functions: LI (Long-Time and Instantaneous Trip)
  • Protection: Thermal Magnetic
  • Connection: Lug In Panelboard
  • Terminal Connection: Load Side Lug
  • Panel Type: SB Switchboards, Sentron Panelboards
  • Temp Rating: -25 to 70 °C (-13 to 158 °F)
  • Standards: HACR Rated, UL Listed
  • MCM Size: Min. Wire Size 10 AWG, Max. Wire Size 1/0 AWG
  • Weight: 2.8 lb
  • Family: Sentron Series
  • Breaker Type: Standard
  • Country of Origin: Mexico


Product Identification
  • UPC: 783643210004
  • GTIN: 00783643210004