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Siemens HGB1K045B - Molded Case Breaker 45A 347V (35kA AIC)

Siemens
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Siemens HGB1K045B is a molded case circuit breaker designed for providing reliable overcurrent protection in industrial and commercial electrical systems. It features a 45A current rating and a 347V AC voltage rating, with a 35kA interrupting capacity at 277V for robust short-circuit protection. The compact, single-pole unit has bolt-on connections and measures 2.87 x 0.969 x 4.988 inches (73 x 24.6 x 126.7 mm), weighing 0.86 lb, and is constructed for operation in temperatures from -25°C to 70°C. It complies with UL, CSA, IEC, and NOM standards, ensuring suitability for a wide range of panelboard and switchgear applications requiring precise long-time and instantaneous (LI) trip functions.

Key Features & Specifications
  • Type: GB2 Series Molded Case Circuit Breaker, Bolt-On Connection
  • Voltage Rating: 347V AC
  • Current Rating: 45A
  • Dimensions: 2.87 x 0.969 x 4.988 inches (73 x 24.6 x 126.7 mm)
  • Standards: UL, CSA, IEC, NOM
  • Applications: Panelboard and Switchgear Protection
  • Switch Type: Circuit Breaker
  • Configuration: Single-Pole (1P)
  • AIC rating: 35kA @ 277V
  • Phase: 1
  • Connection: Bolt-On
  • Poles: 1
  • Protection: Overcurrent
  • Functions: Long-Time and Instantaneous (LI)
  • Frame Size: GB2
  • Trip Type: Thermal-Magnetic
  • Temp Rating: -25°C to 70°C (-13°F to 158°F)
  • Mounting: Fixed
  • Certification: UL, CSA, IEC, NOM
  • Circuit Breaker Mounting Style: Fixed
  • Terminal Connection: Bolt-On
  • Phase Connection: Single-Phase
  • Standards: UL 489, CSA C22.2 No. 5, IEC 60947-2, NOM
  • Installation Type: Fixed
  • Weight: 0.86 lb
  • Country of Origin: Mexico


Product Identification
  • UPC: 804766339639
  • GTIN: 00804766339639