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Siemens J3B090 - 3-Pole 90A Molded Case Breaker (600V)

Siemens
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Siemens J3B090 Circuit Breaker is a 3-pole molded case circuit breaker designed for overcurrent protection in industrial power distribution systems. It is rated for 600V AC, 3-phase operation with a 90A current rating, utilizing thermal-magnetic protection with LI (Long-Time and Instantaneous) trip functions. This J Frame breaker weighs 17 lb and features a bolt-on connection for secure panel mounting. It complies with applicable UL and NEMA standards for industrial electrical safety. Typical applications include motor control centers, switchboards, and panelboards requiring reliable branch circuit protection.

Key Features & Specifications
  • Type: Molded Case, J Frame, Thermal Magnetic
  • Voltage Rating: 600V AC
  • Current Rating: 90A
  • Poles: 3
  • Phase: 3
  • Connection: Bolt-On
  • Protection: LI - Long-Time and Instantaneous
  • Weight: 17 lb
  • Functions: Long-Time and Instantaneous trip
  • Family: J Frame
  • Item Subcategory: Molded Case
  • Type: J


Product Identification
  • Manufacturer: Siemens
  • Model: J3B090