Siemens BQD390 - Molded Case Circuit Breaker 90A 480V 3P (14kA AIC)
Siemens BQD390 - Molded Case Circuit Breaker 90A 480V 3P (14kA AIC)
Siemens BQD390 - Molded Case Circuit Breaker 90A 480V 3P (14kA AIC)
Siemens BQD390 - Molded Case Circuit Breaker 90A 480V 3P (14kA AIC)
Siemens BQD390 - Molded Case Circuit Breaker 90A 480V 3P (14kA AIC)
Siemens BQD390 - Molded Case Circuit Breaker 90A 480V 3P (14kA AIC)
Siemens BQD390 - Molded Case Circuit Breaker 90A 480V 3P (14kA AIC)
Siemens BQD390 - Molded Case Circuit Breaker 90A 480V 3P (14kA AIC)

Siemens BQD390 - Molded Case Circuit Breaker 90A 480V 3P (14kA AIC)

Siemens
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Siemens BQD390 is a molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in three-phase industrial power distribution systems. It features a 90A current rating and a 480V AC voltage rating, housed within a compact, bolt-on design measuring 3" x 4.49" x 4.49" (76.2mm x 114mm x 114mm) and weighing 1.649 lb. The breaker is constructed for robust performance with a thermal-magnetic trip unit providing both long-time and instantaneous protection, and it complies with industry standards including UL 489 and CSA C22.2 No. 5. It is typically applied within Siemens P1 panelboards for protecting feeders and branch circuits in commercial and industrial facilities.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection, Bolt-on Connection
  • Voltage Rating: 480V AC
  • Current Rating: 90A
  • Frame Size: 100A / BQD
  • Poles: 3
  • AIC Rating: 14kA at 480V AC
  • Dimensions: 3 in H x 4.49 in W x 4.49 in D (76.2 mm x 114 mm x 114 mm)
  • Weight: 1.649 lb
  • Terminal Connection: Lug, Accepts 6 AWG (Al) / 8 AWG (Cu) to 1/0 AWG Wire
  • Trip Functions: Long Time and Instantaneous
  • Standards & Certification: UL 489, CSA C22.2 No. 5
  • Operating Temperature: -25°C to +70°C (-13°F to 158°F)
  • Phase: 3
  • Panel Type: Compatible with Siemens P1 Panelboards
  • Breaker Type: Standard
  • Country of Origin: Mexico


Product Identification
  • UPC: 783643277458
  • GTIN: 00783643277458