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Siemens QJ3B090HA02 - 90A 3-Pole Molded Case Breaker (240V, 42kA AIC)

Siemens
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Siemens QJ3B090HA02 is a 3-pole molded case circuit breaker from the QJH Series, designed to provide LI (Long-Time and Instantaneous) protection for electrical systems. This thermal magnetic breaker is rated for 90A at 240V AC, with a high interrupting capacity of 42kA at 240V, and features a bolt-on connection for secure installation in 3-phase applications. The unit weighs 4 lb and is constructed for reliable overcurrent protection in industrial environments. It complies with applicable industry standards for molded case circuit breakers. Typical applications include protecting branch circuits, feeders, and equipment in commercial and industrial power distribution systems.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic, LI (Long-Time and Instantaneous) Protection
  • Voltage Rating: 240V AC
  • Current Rating: 90A
  • Poles: 3
  • Phase: 3
  • AIC Rating: 42kA@240V
  • Connection: Bolt-On
  • Weight: 4 lb
  • Family: QJH Series
  • Functions: LI - Long-Time and Instantaneous


Product Identification
  • Manufacturer: Siemens
  • Model: QJ3B090HA02
  • Item Subcategory: Molded Case
  • Type: QJH