Q221175AC - 175 Amp Circuit Breaker

Q221175AC - 175 Amp Circuit Breaker

Meet the Q221175AC 175-amp 2-pole circuit breaker, a high-performance protection device engineered to deliver dependable electrical safety across residential, commercial, and industrial systems. Its compact Q-Frame and I-Line plug-on design allow for a clean fit into modern panels while maintaining generous current capacity. Built to respond quickly to overloads or faults, this unit offers peace of mind for system designers, installers, and end users alike. Whether you're upgrading a load center or reinforcing a power distribution network, the Q221175AC combines reliability, safety, and ease of use in one efficient package.

Key Features and Benefits

• Fast, dependable protection: With thermal-magnetic tripping you get prompt response to overloads and short circuits, ensuring downstream wiring and equipment stay safe.
• Solid, compact build: Encased in a molded case housing, this breaker resists impact, heat, and environmental stress, delivering long-lasting performance.
• Plug-on simplicity: The I-Line plug-on system makes installation and replacement quick and tool-friendly, reducing labor time and installation error.
• Dual-pole coordination: Designed to interrupt two phases simultaneously, it’s ideal for 120/240V split-phase systems and three-phase setups needing matched pairs.
• 10 kA interrupting rating: High fault-current compatibility gives you headroom for safety in rigorous power environments.

Technical Specifications

• Poles: 2
  
• Rated Current: 175 A
  
• Interrupting Capacity: 10 kA @ 120/240 VAC
  
• Frame Type: Q2 (Q-Frame)
  
• Dimensions:
  • Width: 3.00 inches
  • Length: 7.88 inches
  • Depth: 4.31 inches
• Weight: 6.50 lbs
  
• Features: A–C phasing, thermal-magnetic trip, molded case construction
  

Material Compliance and Certifications

• This circuit breaker is manufactured under rigorous quality standards to guarantee electrical safety and environmental responsibility. It is tested to meet or exceed applicable regulatory norms for molded-case circuit breakers, ensuring you get certified performance and long-term compliance.
• Every unit is built with materials that resist degradation under load, heat, and mechanical stress, so you can trust it will perform reliably over its service life.

Where It Works Best

• Residential Load Centers: Ideal for homes with high service loads, such as HVAC systems, electric vehicle chargers, or heavy appliances.
• Commercial Panels & Sub-Feeds: Great for offices, retail outlets, and institutional facilities where stable protection and easy servicing matter.
• Industrial Power Distribution: Deploy it in factories, workshops, or facilities with rugged power demands and critical machinery.