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Siemens QJ3B090A02 - 3-Pole 90A Molded Case Circuit Breaker

Siemens
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Siemens QJ3B090A02 is a 3-pole molded case circuit breaker from the QJ Series, designed to provide primary circuit protection through LI (Long-Time and Instantaneous) trip functions. It is rated for 90A at 240V with a 10kA interrupting capacity at 240V, supporting 3-phase systems via a bolt-on connection. The unit weighs 4 lb and features a thermal magnetic protection mechanism housed in a compact molded case construction. This breaker complies with industry standards for general-purpose industrial applications, ensuring reliable overcurrent protection in distribution panels and equipment.

Key Features & Specifications
  • Manufacturer: Siemens
  • Item Subcategory: Molded Case
  • Family: QJ Series
  • Type: QJ
  • Weight: 4 lb
  • Functions: LI - Long-Time and Instantaneous
  • Voltage Rating: 240V
  • Poles: 3
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • AIC rating: 10kA@240V
  • Phase: 3
  • Current Rating: 90A
  • Amperage: 90 Amps
  • Interrupt Rating: 10 kA (AIR)
  • Mounting Type: Molded Case
  • Trip Unit: Thermal Magnetic
  • Frame/Series: QJ


Part Number: QJ3B090A02