QOB270 - 70 Amp Circuit Breaker

QOB270 - 70 Amp Circuit Breaker

If you're looking for a QOB270 70-amp bolt-on circuit breaker, this model is built for dependable overcurrent protection in compatible 120/240 VAC electrical systems. Its 2-pole design makes it suitable for protecting larger branch circuits, while the bolt-on mounting style provides a secure connection that helps maintain reliable performance over time.

The QOB270 features a 10kA interrupting rating at 120/240VAC and a thermal-magnetic trip mechanism that responds to both overloads and short circuits. Whether it's being installed during routine maintenance, replacing an existing breaker, or used as part of a panel upgrade, this breaker delivers the protection needed to help keep electrical equipment and branch circuits operating safely.

Its compact size also makes it easy to fit into compatible panelboards without taking up unnecessary space. For electricians, facility managers, and maintenance teams, the QOB270 is a practical solution when dependable circuit protection is a priority.

Key Features and Benefits

• 70 Amp current rating
• 2-pole configuration for 120/240VAC systems
• Bolt-on mounting for a secure installation
• 10kA interrupting rating at 120/240VAC
• Thermal-magnetic protection against overloads and short circuits
• Compact design for efficient panel space utilization
• Suitable for commercial, industrial, and institutional applications

Technical Specifications

• Part Number: QOB270
• Type: QOB
• Mounting Style: Bolt-On
• Poles: 2
• Amperage: 70 Amps
• Voltage: 120/240VAC
• A.I.C. Rating: 10kA @ 120/240VAC
• Dimensions:
  • Height: 3.5 in.
  • Width: 1.5 in.
  • Depth: 2.5 in.

Material Compliance and Certifications

• Molded case circuit breaker
• Designed for use in compatible electrical distribution equipment
• Install in accordance with applicable electrical codes and manufacturer recommendations
• Installation should be performed by qualified electrical personnel

Where It Works Best

• The QOB270 is commonly used in:
  • Commercial buildings
  • Industrial facilities
  • Retail stores
  • Schools and universities
  • Healthcare facilities
  • Apartment buildings
  • Electrical distribution panels
  • Branch circuit protection for compatible panelboards