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Siemens HB3B050 - Molded Case Circuit Breaker 50A 3P (65kA AIC)

Siemens
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Siemens HB3B050 is a molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in three-phase electrical systems. It features a 50A current rating and a 240V AC voltage rating, housed within a compact, durable enclosure measuring 3.937 x 2.756 x 2.756 inches and weighing 0.992 lb. This CSA-certified device utilizes a thermal-magnetic trip mechanism for both long-time and instantaneous (LI) protection functions, achieving an interrupting capacity of 65kA at 240V. Its three-pole, bolt-on configuration is engineered for robust performance in industrial and commercial power distribution applications.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker (HBQ), Thermal-Magnetic Protection
  • Voltage Rating: 240V AC
  • Current Rating: 50A
  • Poles: 3
  • Connection: Bolt-On
  • AIC Rating: 65kA @ 240V
  • Phase: 3
  • Functions: LI (Long-Time and Instantaneous)
  • Certification: CSA
  • Dimensions: 3.937 x 2.756 x 2.756 inch
  • Weight: 0.992 lb
  • Family: BQ Series
  • Country of Origin: Mexico


Product Identification
  • UPC: 783643111295
  • GTIN: 00783643111295