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Siemens HGB2K040B - Molded Case Circuit Breaker 40A 2-Pole

Siemens
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Siemens HGB2K040B is a molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in industrial and commercial electrical systems. It features a 40A current rating and a 600V voltage rating, housed within a compact GB2 frame with bolt-on connections and dimensions of 2.87" x 1.969" x 4.988" (73mm x 50mm x 127mm). The breaker is certified to UL, CSA, IEC, and NOM standards and utilizes a thermal-magnetic trip mechanism with long-time and instantaneous (LI) functions, offering an interrupting capacity of 35kA at 480V. It is engineered for operation in temperatures from -25°C to 70°C and is typically applied in panelboards, switchboards, and industrial control panels for branch circuit protection.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection, GB2 Series
  • Voltage Rating: 600V AC
  • Current Rating: 40A
  • Dimensions: 2.87" x 1.969" x 4.988" (73mm x 50mm x 127mm)
  • Weight: 1.852 lb
  • Standards: UL, CSA, IEC, NOM
  • Applications: Industrial Panelboards, Switchboards, Commercial Distribution
  • Switch Type: Circuit Breaker
  • Configuration: Bolt-On
  • Temp Rating: -25°C to 70°C
  • Phase: 1
  • AIC Rating: 35kA @ 480V
  • Connection: Bolt-On
  • Poles: 2
  • Protection: Thermal Magnetic
  • Functions: Long-Time and Instantaneous (LI)
  • Frame Size: GB2 Frame
  • Trip Type: Thermal-Magnetic
  • Breaker Type: Molded Case
  • Mounting: Bolt-On
  • Certification: UL, CSA, IEC, NOM
  • Circuit Breaker Mounting Style: Bolt-On
  • Terminal Connection: Bolt-On
  • Standards: UL, CSA, IEC, NOM
  • Family: GB2 Series
  • Country of Origin: Mexico


Product Identification
  • UPC: 804766339776
  • GTIN: 00804766339776