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Siemens HB3B090 - Molded Case Circuit Breaker 90A 3P 240V

Siemens
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Siemens HB3B090 is a molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in three-phase electrical systems. It features a 90A current rating and a 240V AC voltage rating, housed in a compact, bolt-on configuration measuring 2.756" x 2.756" x 3.937" and weighing 1.124 lb. This thermal-magnetic breaker offers both long-time and instantaneous trip functions, achieves an interrupting capacity of 65kA at 240V, and operates within a temperature range of -25 to 70 °C (-13 to 158 °F). It is engineered for industrial applications requiring robust circuit protection, such as panelboards and switchgear.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker (HBQ), Thermal Magnetic Protection
  • Voltage Rating: 240V AC
  • Current Rating: 90A
  • Dimensions: 2.756" H x 2.756" W x 3.937" D (70mm x 70mm x 100mm)
  • Standards: Designed to meet applicable industry standards
  • Applications: Industrial panelboards, switchgear, and three-phase distribution
  • Switch Type: Circuit Breaker
  • Configuration: Bolt-On
  • Phase: 3
  • AIC Rating: 65kA @ 240V
  • Connection: Bolt-On
  • Poles: 3
  • Protection: Thermal Magnetic
  • Functions: Long Time and Instantaneous Trip
  • Temp Rating: -25°C to 70°C (-13°F to 158°F)
  • Weight: 1.124 lb
  • Family: BQ Series


Product Identification
  • UPC: 783643111325
  • GTIN: 00783643111325