QCB20 - 20 Amp Circuit Breaker

QCB20 - 20 Amp Circuit Breaker

The QCB20 is a 20 Amp, 2-pole, Type QCB bolt-on circuit breaker designed for use in your compatible electrical distribution systems requiring 120/240VAC overcurrent protection. Built to provide the proper form, fit, and function for compatible panelboards, this breaker helps you protect branch circuits from overloads and short circuits while maintaining the electrical ratings required for dependable operation. Its bolt-on mounting design provides a secure connection to the panel, making it well-suited for commercial, industrial, and institutional applications where bolt-on circuit breakers are specified. Constructed to last and manufactured for compatibility with Type QCB systems, the QCB20 is an excellent choice when maintaining or servicing existing electrical equipment without altering the original system design.

Key Features and Benefits

• 20 Amp current rating for branch circuit protection.
• 2-pole configuration for 120/240VAC applications.
• Type QCB design for compatible electrical systems.
• Bolt-on mounting provides a secure mechanical and electrical connection.
• 10kA A.I.C. interrupting capacity at 120/240VAC.
• Designed for proper form, fit, and functional replacement in compatible panelboards.
• Built to last for long-term service in properly maintained electrical systems.
  

Technical Specifications

• Part Number: QCB20
  
• Type: QCB
  
• Product Type: Bolt-On Circuit Breaker
  
• Amperage: 20 Amps
  
• Poles: 2
  
• 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

• Designed for installation in compatible electrical distribution equipment that accepts Type QCB bolt-on circuit breakers.
• Manufactured to meet applicable industry standards for its designated ratings and intended use.
• Verify compatibility with your existing panelboard and electrical system specifications before installation to ensure proper application.
  

Where It Works Best

• The QCB20 is well suited for maintaining and servicing compatible commercial, industrial, and institutional electrical distribution systems that require a 20 Amp, 2-pole bolt-on circuit breaker. It is commonly used to protect branch circuits supplying lighting, receptacles, HVAC equipment, and other loads operating on 120/240VAC, where a Type QCB breaker with a 10kA interrupting rating is specified. Its bolt-on construction makes it an ideal form, fit, and functional replacement for compatible legacy electrical installations.