Q2020 - Duplex 20/20 Circuit Breaker

Q2020 - Duplex 20/20 Circuit Breaker

The Siemens Q2020 QT duplex circuit breaker is a practical choice when you need circuit protection while making the most of available panel space. Designed for 120VAC residential and light commercial electrical systems, this 20/20A duplex breaker allows two circuits to fit into a single panel space, helping keep existing load centers organized without major modifications.

Its plug-in design makes installation straightforward, whether you're replacing an existing breaker or working on routine panel maintenance.

Built to meet UL 489 standards, the Siemens Q2020 is designed for long-term use in residential and light commercial systems where proper fit, compatibility, and consistent operation are important.

Key Features and Benefits

• Duplex 20/20A breaker for 120VAC circuits
• Space-saving QT duplex configuration
• Plug-in mounting for simple installation
• Provides overload and short-circuit protection
• 10kA interrupting rating
• Compact size helps maximize panel space
• Designed for residential and light commercial distribution systems
  

Technical Specifications

• Brand: Siemens
  
• Catalog Number: Q2020
  
• Product Line: QT Duplex
  
• Number of Poles: 1 Pole Duplex
  
• Ampere Rating: 20/20A
  
• Voltage Rating: 120 VAC
  
• Interrupt Rating: 10kAIC
  
• Mounting Type: Plug-In
  
• Dimensions:
  • Height: 3 in
  • Width: 2 in
  • Depth: 3 in
• Weight: 0.375 lb
  

Material Compliance and Certifications

• UL 489 Listed and designed to meet applicable electrical safety standards for residential and light commercial circuit protection applications.
  

Where It Works Best

• Ideal for Siemens-compatible residential load centers and light commercial panels where duplex breakers are used to maximize circuit capacity while maintaining reliable branch circuit protection.