QGA221754 - 175 Amp Circuit Breaker

QGA221754 - 175 Amp Circuit Breaker

Discover a reliable form, fit, and function replacement for compatible Square D PowerPact Q-Frame panels. The QGA221754 is designed for 240 V systems and offers a straightforward solution for facilities, industrial equipment, and commercial electrical panels that require a direct replacement breaker matched to original specifications. With clear ratings and a configuration trusted in many installations, this breaker helps maintain electrical system continuity with components built to last.

Key Features and Benefits

• Direct Replacement Compatibility – Designed specifically for use in QGA, I-Line, Plug-On configurations where this specification is required, helping ensure a proper fit in compatible panels.
• Thermal Magnetic Trip Unit – Provides consistent trip characteristics using a thermal magnetic mechanism that responds to overload and short-circuit conditions according to its ratings.
• Clear Amperage and Voltage Rating – Marked at 175 A and 65 kA interrupting capacity at 240 VAC, giving installers and maintenance teams a clearly defined application window.
• 2-Pole Design – Ideal for protecting circuits that require simultaneous disconnection of both hot legs in 240 V systems.
• Built to Last – Constructed with attention to long-term durability, this breaker is suitable for maintaining existing electrical infrastructure without unnecessary modifications.
  

Technical Specifications

• Manufacturer: Square D
  
• Part Number: QGA221754
  
• Type: QGA (PowerPact Q-Frame)
  
• Poles: 2
  
• Amperage: 175 A
  
• Interrupting Rating: 65 kA @ 240 VAC
  
• Trip Style: Thermal Magnetic
  
• Mounting: Plug-On I-Line
  
• Height: 7.88 in
  
• Width: 3.0 in
  
• Depth: 4.31 in
  
• Sub-Category: Accessories (Circuit Breakers)
  

Material Compliance and Certifications

• This Square D breaker meets industry standards for molded case circuit breakers and is manufactured to comply with applicable safety and performance requirements.
• Ratings are clearly marked, enabling electricians and inspectors to confirm compliance with local electrical codes.
• Installed in the correct panel system, this component supports code-aligned circuit protection.
  

Where It Works Best

• The QGA221754 is appropriate in environments where a form-fit functional replacement is needed for a PowerPact Q-Frame breaker in existing electrical panels that accept I-Line, Plug-On breakers.
• Commercial and industrial electrical distribution panels
• Mechanical rooms with legacy Square D equipment
• Retrofit projects where original breakers must be matched for compatibility
• Maintenance inventories that support 240 V branch protection