Q1-220 - 20 Amp Circuit Breaker

Q1-220 - 20 Amp Circuit Breaker

When you’re replacing a breaker in existing electrical equipment, getting the details right matters. The Q1-220 Type Q circuit breaker is a 20-amp, 2-pole thermal-magnetic breaker with a plug-on design, rated at 10 kAIC at 120/240 VAC. It measures 6.38 inches high, 1.5 inches wide, and 2.31 inches deep and requires four spaces. Those details are especially important when working with legacy equipment, where a breaker that looks similar may not necessarily have the correct fit or ratings. The Q1-220 is intended for compatible equipment designed around this particular Type Q configuration and provides thermal-magnetic protection for overload and short-circuit conditions. If you’re replacing an existing Q1-220, it’s worth checking the part number and specifications on the original breaker rather than relying on amperage alone. Pole count, voltage, AIC rating, mounting style, dimensions, and available spaces all play a part in determining compatibility. For applications that require this exact configuration, the Q1-220 provides the form, fit, and function needed to maintain the existing system as intended. Simply put, it’s a purpose-specific breaker built to last in its intended application.

Key Features and Benefits

• 20-amp rating for compatible circuits requiring a 20A breaker.
• 2-pole design matches applications calling for the Q1-220 configuration.
• Rated 10 kAIC at 120/240VAC.
• Thermal-magnetic operation provides protection against overload and short-circuit conditions.
• Plug-on mounting for electrical equipment designed to accept this breaker style.
• Requires four spaces, an important detail to check when confirming physical fit.
• Well suited for legacy electrical equipment where maintaining the existing breaker configuration is the goal.
• Clearly defined dimensions and ratings make it easier to compare the breaker with the part being replaced.
• Built to last when correctly matched, installed, and used within its intended application.

Technical Specifications

• Part Number: Q1-220
  
• Type: Q
  
• Breaker Type: Plug-On Thermal Magnetic
  
• Amperes: 20A
  
• Poles: 2
  
• Voltage: 120/240VAC
  
• A.I.C. Rating: 10kA
  
• Height: 6.38 in.
  
• Width: 1.5 in.
  
• Depth: 2.31 in.
  
• Spaces Required: 4
  
• Mounting: Plug-On
  

Material Compliance and Certifications

• Material compliance information, agency certifications, and regulatory listings were not provided with the available Q1-220 specifications, so no specific certification should be assumed. If a particular listing, approval, or material requirement applies to your installation, check the markings on the breaker and the documentation for the equipment to be used.

Where It Works Best

• The Q1-220 20-amp 2-pole circuit breaker makes the most sense for compatible legacy electrical equipment that specifically calls for its Type Q plug-on design, electrical ratings, dimensions, and four-space configuration. It is particularly useful in repair and maintenance situations where the objective is to keep the original electrical setup intact.
  
• Not sure whether it’s the right match? Start with the existing breaker. Check its part number, amperage, number of poles, voltage, AIC rating, mounting method, physical size, and space requirements against the specifications above. Matching all of these details is far more useful than choosing a breaker simply because the amp rating looks right.
  
• As with any circuit breaker replacement, compatibility should be confirmed before installation. Installation should be performed by qualified personnel and in accordance with applicable electrical codes and the requirements of the electrical equipment.