Siemens B390HH - Molded Case Circuit Breaker 90A 3P (65kA AIC)
Siemens B390HH - Molded Case Circuit Breaker 90A 3P (65kA AIC)

Siemens B390HH - Molded Case Circuit Breaker 90A 3P (65kA AIC)

Siemens
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Siemens B390HH 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 voltage rating, housed within a compact, bolt-on design measuring 2.563" x 3.00" x 3.122" and weighing 0.948 lb. The breaker is constructed with thermal-magnetic trip technology for both long-time and instantaneous protection, and it complies with key industry standards including UL, CSA, HACR, and NOM. It is typically applied in industrial and commercial settings, specifically within Siemens P1 panelboards, for safeguarding feeder and branch circuits.

Key Features & Specifications
  • Type: HBL Molded Case Circuit Breaker, Thermal Magnetic Protection
  • Voltage Rating: 240V AC
  • Current Rating: 90A
  • Frame Size: 125A/HBL
  • Poles: 3
  • AIC Rating: 65kA at 240V
  • Connection: Bolt-on, Lug Terminal
  • Phase: 3
  • Functions: Long Time and Instantaneous Trip
  • Panel Type: Siemens P1 Panelboards
  • Breaker Type: Standard
  • Temp Rating: -25°C to 70°C (-13°F to 158°F)
  • MCM Size: Min. 8 AWG, Max. 2 AWG (Al) / 4 AWG (Cu)
  • Dimensions: 2.563" x 3.00" x 3.122"
  • Weight: 0.948 lb
  • Standards: UL Listed, CSA Certified, HACR Rated, NOM Certified
  • Certification: UL Listed, CSA Certified, HACR Rated, NOM Certified
  • Family: BL Series
  • Country of Origin: Mexico


Product Identification
  • UPC: 783643264281
  • GTIN: 00783643264281