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Siemens Q390H - Molded Case Circuit Breaker, 90A 3P 240V

Siemens
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Siemens Q390H is a molded case circuit breaker designed for providing reliable overcurrent protection in three-phase electrical systems. It features a 90A current rating and a 240V AC voltage rating, housed within a compact, plug-in configuration measuring 2.563" x 3.00" x 3.122" and weighing 0.948 lb. This UL Listed device utilizes a thermal-magnetic trip mechanism for both long-time and instantaneous protection, achieving an interrupting capacity of 22kA at 240V. It is engineered for industrial and commercial panelboards where robust, code-compliant circuit protection is required.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection, Plug-In Connection
  • Voltage Rating: 240V AC
  • Current Rating: 90A
  • Dimensions: 2.563" H x 3.00" W x 3.122" D
  • Standards: UL Listed
  • Applications: Industrial & Commercial Panelboards
  • Switch Type: Circuit Breaker
  • Configuration: Plug-In
  • Phase: 3
  • Amperage: 90A
  • AIC rating: 22kA @ 240V
  • Connection: Plug-In
  • Poles: 3
  • Protection: Thermal Magnetic
  • Functions: Long Time and Instantaneous Trip
  • Frame Size: QPH
  • Trip Type: Thermal-Magnetic
  • Breaker Type: Molded Case
  • Certification: UL Listed
  • Circuit Breaker Mounting Style: Plug-In
  • Terminal Connection: Plug-In
  • Phase Connection: 3-Phase
  • Standards: UL
  • Family: Q Series
  • Country of Origin: Mexico
  • Weight: 0.948 lb


Product Identification
  • UPC: 783643156487
  • GTIN: 00783643156487