Q221200AC - 200 Amp Circuit Breaker

Q221200AC - 200 Amp Circuit Breaker

Step up your system’s protection with the Q221200AC 200 Amp circuit breaker. This device is designed with modern electrical installations in mind, delivering dependable defense against overloads and short circuits. It’s a 2-pole, thermal-magnetic molded-case breaker that integrates seamlessly into I-Line plug-on configurations—making installation smoother and faster. Whether you're upgrading an old panel or planning a new build, this breaker gives you peace of mind through precision engineering and safety-first design.

Key Features and Benefits

• Thermal-Magnetic Trip Mechanism: Accurately senses sustained overloads and responds instantly to short-circuit events.
• I-Line Plug-On Format: Slides into the bus without extra hardware—cuts installation time and labor costs.
• Molded Case Design: Encloses internals in a durable, impact-resistant housing built for lasting service.
• A-C Phasing & Q-Frame Compatibility: Works across a broader set of panels and phasing arrangements for field flexibility.
• Wide Use Cases: Suitable for residential, commercial, and light industrial settings thanks to high capacity and standard ratings.

Technical Specifications

• Amperage: 200 A
• Voltage Rating: 120/240 VAC
• Interrupting Capacity: 10,000 A @ 240 VAC
• Poles: 2
• Frame Type: Q2 (Q-Frame)
• Trip Type: Thermal-Magnetic (LI)
• Mounting: I-Line plug-on
• Dimensions:
  • Width: 3.00"
  • Length: 7.88"
  • Depth: 4.31"
• Weight: ~6.50 lb

Material Compliance and Certifications

• UL Certification: Built from UL-certified materials, meeting stringent safety and performance standards.
• Industry Standards: Each unit undergoes full quality assurance testing to confirm compliance with applicable industry standards (UL-489, etc.). The rigorous testing ensures you won’t be left guessing whether a unit will hold up under real-world conditions.

Where It Works Best

• Main service panels or subpanels in homes or light commercial buildings
• Panel upgrades or retrofits where existing Q-Frame slots are in use
• New installations that demand 200 A protection
• Industrial or workshop circuits with heavy loads (motors, HVAC equipment, etc.)