QC2040 - 40 Amp Circuit Breaker

QC2040 - 40 Amp Circuit Breaker

The QC2040 Type QC Circuit Breaker is a 2-pole, 40-amp thermal magnetic circuit breaker designed to provide dependable overcurrent and short-circuit protection for 120/240VAC electrical distribution systems. Engineered with a 10kA interrupting capacity, this breaker helps safeguard electrical circuits from damage caused by overloads and fault conditions while supporting consistent system performance. Its Quicklag design, combined with cable-in/cable-out connections, allows for efficient installation in compatible electrical equipment. Rated for operation in 40°C ambient environments and carrying an HACR rating, the QC2040 is well suited for a variety of commercial, industrial, and residential applications where reliable circuit protection is essential. Whether you're replacing an existing breaker or supporting new electrical work, this thermal magnetic breaker delivers the dependable protection professionals expect.

Key Features and Benefits

• 40 Amp Continuous Current Rating: 40 Amp continuous current rating for reliable branch circuit protection.
• 2-Pole Configuration: 2-pole configuration designed for 120/240VAC electrical systems.
• 10kA Interrupting Capacity (A.I.C.): 10kA interrupting capacity (A.I.C.) helps protect equipment during fault conditions.
• Thermal Magnetic Trip Mechanism: Thermal magnetic trip mechanism provides dependable overload and short-circuit protection.
• Type QC (Quicklag) Design: Type QC (Quicklag) design for compatibility with designated panelboards and electrical equipment.
• Cable-In/Cable-Out Connection Style: Cable-In/Cable-Out connection style supports straightforward installation.
• HACR Rated: HACR rated, making it suitable for heating, air conditioning, and refrigeration equipment where applicable.
• 40°C Ambient Operation: Designed for 40°C ambient operating conditions.
• Compact Footprint: Compact footprint simplifies installation in compatible assemblies.
  

Technical Specifications

• Part Number: QC2040
  
• Type: QC
  
• Poles: 2
  
• Amperage: 40 Amps
  
• Voltage Rating: 120/240VAC
  
• Interrupting Rating (A.I.C.): 10kA
  
• Trip Unit: Thermal Magnetic
  
• HACR Rated: Yes
  
• Operating Temperature: 40°C Ambient
  
• Connection Type: Cable-In / Cable-Out
  
• Dimensions:
  • Height: 3.75 in.
  • Width: 2.00 in.
  • Depth: 2.50 in.

Material Compliance and Certifications

• HACR Rated: HACR Rated.
• Thermal Magnetic Protection Design: Thermal magnetic protection design.
• Compatible Type QC Systems: Manufactured for use in compatible Type QC electrical systems.
• Electrical Performance Requirements: Designed to meet applicable electrical performance requirements for its intended application.
  

Where It Works Best

• The QC2040 circuit breaker is an excellent choice for protecting 120/240VAC branch circuits in residential, commercial, and light industrial electrical systems. Its 40-amp capacity, 2-pole configuration, and HACR rating make it well suited for applications involving HVAC equipment, air conditioning systems, refrigeration units, subpanels, and other electrical loads requiring dependable overcurrent protection. It is also an effective replacement breaker for maintaining compatible panelboards and electrical distribution equipment while helping promote safe, reliable operation.