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Siemens HGB1B040B - Molded Case Breaker 40A 347V (35kA AIC)

Siemens
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Siemens HGB1B040B 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 347V voltage rating, housed within a compact, durable frame measuring 0.969" x 2.87" x 4.993" (24.6mm x 72.9mm x 126.8mm) and weighing 0.86 lb. This single-pole, bolt-on breaker utilizes a thermal-magnetic trip mechanism for both long-time and instantaneous (LI) protection functions and is certified to UL, CSA, IEC, and NOM standards for global compliance. It is typically applied in panelboards and switchboards for branch circuit protection, supporting copper or aluminum conductors from size 8 to 1/0 AWG and offering an interrupting capacity of 35kA at 277V AC.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection, Bolt-On Connection
  • Voltage Rating: 347V AC
  • Current Rating: 40A
  • Dimensions: 0.969" W x 2.87" H x 4.993" D (24.6mm x 72.9mm x 126.8mm)
  • Standards: UL, CSA, IEC, NOM
  • Applications: Industrial & Commercial Panelboards, Branch Circuit Protection
  • Switch Type: Circuit Breaker
  • Configuration: Fixed
  • Phase: 1
  • Amperage: 40A
  • AIC Rating: 35kA @ 277V AC
  • Connection: Bolt-On
  • Poles: 1
  • Protection: Thermal Magnetic
  • Functions: Long-Time and Instantaneous (LI)
  • Frame Size: VL Series
  • Trip Type: Thermal-Magnetic
  • Wire Size: 8 - 1/0 AWG (Copper/Aluminum)
  • Certification: UL, CSA, IEC, NOM
  • Temp Rating: -25°C to +70°C (-13°F to 158°F)
  • Mounting: Panel Mount
  • Hz: 50/60 Hz
  • Enclosure: Molded Case
  • Country of Origin: Mexico


Product Identification
  • UPC: 887621219512
  • GTIN: 00887621219512