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Siemens HGB3K040B - Molded Case Circuit Breaker, 40A 600V 3-Pole

Siemens
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Siemens HGB3K040B is a molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in industrial electrical systems. It features a 40A current rating and a 600V AC voltage rating, housed within a compact, durable GB2 frame measuring 2.87 x 2.961 x 4.988 inches and weighing 2.756 lb. This three-pole, bolt-on breaker utilizes a thermal-magnetic trip unit for long-time and instantaneous (LI) protection, is certified to UL, CSA, IEC, and NOM standards, and offers an interrupting capacity of 35kA at 480V AC. Its operational temperature range of -25°C to 70°C makes it suitable for a variety of demanding applications, including panelboards, switchboards, and industrial control equipment.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection, Bolt-On Connection
  • Voltage Rating: 600V AC
  • Current Rating: 40A
  • Dimensions: 2.87 x 2.961 x 4.988 inches (72.9 x 75.2 x 126.7 mm)
  • Standards: UL, CSA, IEC, NOM
  • Applications: Panelboards, Switchboards, Industrial Control
  • Switch Type: Circuit Breaker
  • Configuration: Three-Pole
  • AIC Rating: 35kA @ 480V AC
  • Phase: 3-Phase
  • Protection: Overcurrent, Short-Circuit
  • Functions: Long-Time and Instantaneous (LI)
  • Frame Size: GB2 Frame
  • Trip Type: Thermal-Magnetic
  • Breaker Type: Molded Case
  • Temp Rating: -25°C to 70°C (-13°F to 158°F)
  • Mounting: Bolt-On
  • Certification: UL, CSA, IEC, NOM
  • Terminal Connection: Bolt-On
  • Standards: UL 489, CSA C22.2 No. 5, IEC 60947-2, NOM
  • Family: GB2 Series
  • Country of Origin: Mexico
  • Weight: 2.756 lb (1.25 kg)


Product Identification
  • UPC: 804766339929
  • GTIN: 00804766339929