QO150 - 50Amp Circuit Breaker

QO150 - 50Amp Circuit Breaker

The QO150 is a 50 amp, single-pole plug-on circuit breaker designed for use in compatible QO load centers and panelboards. Rated for 120VAC with a 10k AIC interrupting capacity, it provides dependable protection against overloads and short circuits while helping keep electrical systems operating safely. Its plug-on design makes installation straightforward when replacing a worn breaker or adding a new branch circuit in a compatible panel. Whether you're maintaining an existing electrical system or completing a panel upgrade, the QO150 offers a practical solution for applications that require a 50-amp breaker. Its compact size fits easily into compatible panels without taking up unnecessary space, making it a common choice for residential and light commercial electrical work.

Key Features and Benefits

• 50-amp current rating.
• Single-pole configuration.
• Plug-on mounting style for compatible QO panels.
• 10k AIC interrupting rating at 120VAC.
• Helps protect branch circuits from overloads and short circuits.
• Compact design for efficient panel installation.
• Suitable for replacement, repair, and panel upgrade projects.

Technical Specifications

• Part Number: QO150
• Type: QO
• Poles: 1
• Amperage: 50 Amps
• Voltage Rating: 120VAC
• A.I.C. Rating: 10k @ 120VAC
• Mounting Style: Plug-On
• Dimensions:
  • Height: 3.0 in.
  • Width: 0.75 in.
  • Depth: 2.5 in.

Material Compliance and Certifications

• Designed for use in compatible QO electrical distribution equipment.
• Install in accordance with applicable national and local electrical codes.
• Always verify panel compatibility before installation.

Where It Works Best

• The QO150 is commonly used in residential homes, apartment buildings, offices, retail spaces, and light commercial facilities equipped with compatible QO load centers or panelboards. It works well for replacing an existing breaker, expanding an electrical panel, or protecting a dedicated 50-amp branch circuit.