QO270 - 70 Amp Circuit Breaker

QO270 - 70 Amp Circuit Breaker

When a circuit calls for a 70 Amp, 2-pole breaker, the QO270 Plug-On Circuit Breaker is a dependable option for protecting your electrical system from overloads and short circuits. Built for use in compatible Type QO load centers and panelboards, it combines straightforward installation with the performance electricians and maintenance professionals expect every day. The plug-on design makes replacing an existing breaker or adding a new circuit simple, while its 10kA interrupting rating helps protect equipment during fault conditions. From HVAC equipment and subpanels to other larger 120/240VAC loads, the QO270 is well suited for applications where consistent circuit protection is important. Its compact size also helps make the most of available panel space, making it a practical choice for both upgrades and new installations. If you're replacing a worn breaker or finishing a panel upgrade, choosing the correct amperage and breaker type matters. The QO270 delivers the 70 Amp, 120/240VAC protection needed for compatible Type QO electrical systems, giving you confidence that your circuits are protected by a breaker built for the job.

Key Features and Benefits

• 70 Amp current rating
• Two-pole configuration for 120/240VAC circuits
• Plug-on design for quick installation in compatible Type QO panels
• 10kA interrupting rating
• Helps protect electrical circuits from overloads and short circuits
• Compact design helps maximize available panel space
• A practical choice for replacements, renovations, and new electrical installations

Technical Specifications

• Part Number: QO270
• Type: QO
• Style: Plug-On Circuit Breaker
• Poles: 2
• Current Rating: 70 Amps
• Voltage Rating: 120/240VAC
• Interrupting Rating: 10kA @ 120/240VAC
• Dimensions:
  • Height: 3.5 in.
  • Width: 1.5 in.
  • Depth: 2.5 in.

Material Compliance and Certifications

• Industry Standards: Designed for use in compatible Type QO electrical distribution equipment.
• Manufacturing Standards: Manufactured to meet applicable industry standards for circuit breakers in this class.
• Installation Requirements: Installation should comply with all applicable local, state, and national electrical codes.

Where It Works Best

• The QO270 circuit breaker is commonly installed anywhere a 70 Amp, 2-pole breaker is required in a compatible Type QO panel. Typical applications include HVAC systems, air conditioning units, electric ranges, water heaters, subpanels, and other higher-demand 120/240VAC circuits found in residential, commercial, and light industrial settings.