QCB40 - 40 Amp Circuit Breaker

QCB40 - 40 Amp Circuit Breaker

The QCB40 is a 2-pole, 40-amp bolt-on circuit breaker designed for use in your compatible electrical distribution panels requiring a Type QCB breaker. Rated for 120/240VAC with a 10kA A.I.C. interrupting capacity, this breaker helps you protect electrical systems by interrupting overloads and short circuits before damage can occur. Its bolt-on mounting design provides a secure connection to the panel, making it well-suited for commercial, industrial, and institutional electrical installations where this mounting style is required. Built to last and manufactured for dependable operation, the QCB40 is an excellent form, fit, and functional replacement for compatible legacy electrical systems. Whether you're replacing an existing breaker during maintenance or restoring equipment to service, this breaker delivers the ratings and compatibility needed to keep your electrical distribution system operating as intended.

Key Features and Benefits

• 40 Amp current rating for branch circuit protection in compatible applications.
• 2-pole configuration designed for 120/240VAC electrical systems.
• Bolt-on mounting provides a secure mechanical and electrical connection within approved panelboards.
• 10kA A.I.C. rating at 120/240VAC helps interrupt fault currents within its listed capacity.
• Type QCB breaker for use where this breaker type is specified.
• Built to last for long-term use in properly maintained electrical systems.
• Ideal as a form-, fit-, and function-replacement for compatible installations.
• Suitable for commercial, industrial, and institutional electrical distribution applications.
  

Technical Specifications

• Part Number: QCB40
  
• Type: QCB
  
• Product Type: Bolt-On Circuit Breaker
  
• Poles: 2
  
• Current Rating: 40 Amperes
  
• Voltage Rating: 120/240VAC
  
• Interrupting Capacity (A.I.C.): 10kA @ 120/240VAC
  
• Dimensions:
  • Height: 4.81 in.
  • Width: 1.50 in.
  • Depth: 2.50 in.

Material Compliance and Certifications

• Manufactured for use in compatible electrical distribution equipment.
• Designed to meet the published electrical ratings for the QCB40 model.
• Intended for installation and use in accordance with applicable electrical codes and manufacturer specifications.
• Verify compatibility with your existing panelboard and system requirements before installation.
  

Where It Works Best

• The QCB40 Type QCB bolt-on circuit breaker is well-suited for electrical distribution systems that require a 2-pole, 40-amp breaker with a 120/240VAC rating and bolt-on installation. It is commonly used in commercial buildings, industrial facilities, institutional properties, and other applications where compatible panelboards utilize Type QCB circuit breakers. This breaker is an excellent choice when maintaining or repairing existing electrical systems that require matching form, fit, and function.