FJA34090 - 90Amp Circuit Breaker

FJA34090 - 90Amp Circuit Breaker

When you're working with legacy electrical systems, finding the right breaker involves more than just the catalog number. For instance, the FJA34090 is a 90-amp, 3-pole molded case circuit breaker with an FJA I-Line frame and plug-in configuration, featuring PowerPact thermal-magnetic protection.

Key Features and Benefits

• 90-Amp Rating: Provides a clear 90A current rating for applications requiring this amperage.
• 3-Pole Design: Configured with three poles for compatible electrical distribution equipment.
• FJA I-Line Frame: The FJA frame designation provides an important reference when matching the breaker to existing equipment.
• Plug-In Configuration: Designed for compatible applications that require the specified plug-in connection.
• PowerPact Thermal-Magnetic Protection: Uses the stated thermal-magnetic protection design within a molded case circuit breaker.

Technical Specifications

• Part Number: FJA34090
  
• Product Type: Molded Case Circuit Breaker
  
• Type: FJA
  
• Frame: FJA I-Line
  
• Amperage: 90A
  
• Poles: 3
  
• Connection / Mounting: Plug-In
  
• Protection / Trip Type: PowerPact Thermal Magnetic
  
• A.I.C. Rating at 480VAC: 65 kA
  
• A.I.C. Rating at 240VAC: 100 kA
  
• Width: 3.00 in.
  
• Height / Length: 9.75 in.
  
• Depth: 5.25 in.
  
• Overall Dimensions: 3.00" W × 9.75" L × 5.25"D
  

Material Compliance and Certifications

The available specifications for the FJA34090 do not include specific UL, CSA, RoHS, REACH, or other material-compliance or certification information. Do not assume these certifications.

Where It Works Best

The FJA34090 90A circuit breaker is intended for compatible legacy electrical distribution equipment requiring a 90-amp, 3-pole FJA I-Line plug-in molded case circuit breaker with matching physical and electrical characteristics. It is especially relevant for maintenance and functional replacement applications where retaining the specified frame, connection style, pole configuration, footprint, amperage, and interrupting capacity matters.