QOB240 **Older Style** - 40Amp Circuit Breaker

QOB240 **Older Style** - 40Amp Circuit Breaker

Finding the right replacement circuit breaker isn't just about matching the amp rating. The mounting style, pole configuration, and voltage ratings all need to line up with your existing equipment. The QOB240 Older Style is a 30 Amp, 2-pole bolt-on circuit breaker built for compatible Type QOB panelboards, making it a practical choice when maintaining or repairing an existing electrical distribution system. Rated for 120/240VAC with a 10k A.I.C. interrupting capacity, this breaker is designed to help protect branch circuits from overloads and short circuits. The bolt-on design provides a secure connection inside compatible panelboards, helping ensure proper installation when matched with the correct equipment. Whether you're servicing a commercial facility, industrial building, or institutional property, using the right replacement helps preserve the original design of the electrical system. Built to last, the QOB240 Older Style is intended to provide the correct form, fit, and function for compatible legacy installations.

Key Features and Benefits

• QOB240 Older Style Circuit Breaker: QOB240 Older Style bolt-on circuit breaker.
• 30 Amp Current Rating: 30 Amp current rating.
• 2-Pole Configuration: 2-pole configuration.
• 120/240VAC Voltage Rating: 120/240VAC voltage rating.
• 10k A.I.C. Interrupting Capacity: 10k A.I.C. interrupting capacity.
• Bolt-On Mounting: Bolt-on mounting for compatible Type QOB panelboards.
• Form, Fit, and Functional Replacement: Designed as a form, fit, and functional replacement for compatible electrical systems.
• Branch Circuit Protection: Helps protect branch circuits from overloads and short circuits.
• Built to Last: Built to last for long-term use in properly maintained electrical systems.
  

Technical Specifications

• Part Number: QOB240 Older Style
  
• Type: QOB
  
• Mounting Style: Bolt-On
  
• Poles: 2
  
• Amperage: 30A
  
• Voltage: 120/240VAC
  
• Interrupting Rating: 10k A.I.C.
  
• Dimensions:
  • Height: 3.0 in.
  • Width: 1.5 in.
  • Depth: 2.5 in.

Material Compliance and Certifications

• Equipment Compatibility: Designed for use in compatible Type QOB panelboards.
• Industry Standards: Manufactured to meet applicable industry standards for its intended application.
• Installation Requirements: Installation should be completed by a qualified electrician and in accordance with applicable electrical codes and manufacturer guidelines.
  

Where It Works Best

• The QOB240 Older Style is commonly found in commercial, industrial, and institutional electrical systems that use Type QOB bolt-on panelboards. It works well for branch circuits supplying lighting, HVAC equipment, machinery, and general power distribution. If you're replacing an existing breaker with the same electrical and mechanical specifications, this model provides the form, fit, and function needed for compatibility with the original installation.