QO320 **Older Style** - 20Amp Circuit Breaker

QO320 **Older Style** - 20Amp Circuit Breaker

When it's time to replace a compatible QO320 Older Style breaker, getting the right fit matters. This 3-pole, 20-amp plug-on circuit breaker is designed for use in compatible QO load centers and panelboards, helping protect branch circuits from overloads and short circuits. Rated 10kA at 240VAC, it provides the electrical characteristics needed for a variety of branch circuit applications while matching the form and fit of compatible existing equipment.

Older electrical systems often require specific breaker styles, and using the correct replacement helps keep the panel configured as intended. The plug-on connection is designed for compatible QO panels, making installation straightforward for qualified professionals. Whether you're replacing a failed breaker during maintenance or keeping spare parts available for future service, the QO320 Older Style offers a practical solution that's built to last.

Not every replacement project is the same. Before installation, it's always a good idea to verify the breaker type, amperage, pole configuration, and panel compatibility. Taking a few extra moments to confirm these details can help ensure the replacement matches your existing electrical system.

Key Features and Benefits

• Older Style QO320 plug-on circuit breaker
• 3-pole configuration
• 20 Amp current rating
• 10kA interrupting capacity at 240VAC
• Plug-on mounting for compatible QO load centers and panelboards
• Designed as a form, fit, and function replacement for compatible existing equipment
• Helps protect branch circuits from overloads and short circuits
• Built to last for long-term use in properly maintained electrical systems
  

Technical Specifications

• Part Number: QO320 Older Style
  
• Type: QO
  
• Mounting Style: Plug-On
  
• Poles: 3
  
• Amperes: 20A
  
• Voltage Rating: 240VAC
  
• A.I.C. Rating: 10kA @ 240VAC
  
• Dimensions:
  • Height: 3.0 in.
  • Width: 2.25 in.
  • Depth: 2.5 in.

Material Compliance and Certifications

• Designed for use in compatible QO electrical distribution systems
• Rated 10kA at 240VAC
• Verify compatibility with the existing load center or panelboard before installation.
• Install in accordance with applicable electrical codes and manufacturer requirements.
  

Where It Works Best

• The QO320 Older Style is commonly used in compatible QO load centers and panelboards serving residential, commercial, and light industrial applications. It's intended for replacing an existing 3-pole, 20-amp plug-on circuit breaker while maintaining the original panel configuration and electrical ratings.