QB2430-90 - 90 Amp Circuit Breaker

QB2430-90 - 90 Amp Circuit Breaker

The QB2430-90 90 Amp Circuit Breaker is used in commercial and light-industrial panels that run on three-phase power. It’s a bolt-on style breaker designed to fit directly into compatible panels, making it a practical replacement when an existing breaker needs to be swapped out. There’s no need for adapters or panel modifications, which helps keep service work simple. This breaker is rated for 240 VAC and 90 amps, which covers a wide range of everyday commercial applications. It’s typically found in electrical rooms, equipment panels, and other areas where steady power and basic fault protection are required. For maintenance and repair work, it does what it’s supposed to do without adding complexity.

Key Features and Benefits

• Three Poles: Provides protection across all three phases in a multi-phase system.
• Bolt-On Design: Mounts directly to the panel and stays secure during normal operation.
• 90 Amp Rating at 240 VAC: Suitable for many standard commercial and light-industrial circuits.
• 10 kA Interrupting Capacity: Rated to interrupt up to 10,000 amps of fault current when needed.

Technical Specifications

• Number of Poles: 3
  
• Amperage: 90 A
  
• Voltage Rating: 240 VAC
  
• Interrupting Rating: 10 kA A.I.C.
  
• Mounting Style: Bolt-On
  
• Frame Type: QB
  
• Dimensions:
  • Width: 2.25 inches
  • Length: 4.81 inches
  • Depth: 2.50 inches
• Approximate Weight: 3.25 lbs
  

Material Compliance and Certifications

• Industry Use: The QB2430-90 is built using materials intended for commercial and light-industrial electrical use.
• Testing and Performance: Each breaker is tested to confirm proper operation and interrupting performance in equipment designed for these ratings.
• Installation Compliance: When installed in compatible panels, it meets commonly accepted electrical safety and performance requirements.
  

Where It Works Best

• Commercial electrical rooms
• Light-industrial facilities
• Three-phase equipment and branch circuits
• Maintenance and replacement projects