QC1050 - 50 Amp Circuit Breaker

QC1050 - 50 Amp Circuit Breaker

The QC1050 is a 1-pole, 50-amp Type QC thermal magnetic circuit breaker designed to provide dependable overcurrent and short-circuit protection in your compatible electrical distribution systems. Built for 120 VAC applications with a 10k AIC interrupting rating, this breaker helps you protect branch circuits from damage caused by overloads and fault conditions while supporting safe, reliable system operation. Its Quicklag, HACR-rated, and Cable-In/Cable-Out design makes it a practical choice for a variety of residential, commercial, and light industrial installations where consistent circuit protection is essential. Rated for operation in 40°C ambient environments, the QC1050 combines proven thermal magnetic trip technology with a compact footprint, making it well suited for maintenance, replacement, and new installation projects requiring a compatible Type QC circuit breaker.

Key Features and Benefits

• 50 Amp Current Rating: 50 Amp current rating for dependable branch circuit protection.
• Single-Pole Design: Single-pole (1P) design for 120 VAC applications.
• Thermal Magnetic Trip Mechanism: Thermal magnetic trip mechanism provides protection against both overloads and short circuits.
• 10k AIC Interrupting Rating: 10k AIC interrupting rating at 120 VAC helps safely interrupt fault currents within its rated capacity.
• Type QC Configuration: Type QC configuration for use in compatible electrical systems.
• Quicklag Design: Quicklag design supports efficient installation and reliable performance.
• HACR Rated: HACR rated, making it suitable for heating, air conditioning, and refrigeration equipment where permitted by applicable codes.
• Cable-In / Cable-Out Construction: Cable-In/Cable-Out construction simplifies compatible wiring configurations.
• 40°C Ambient Rating: 40°C ambient temperature rating for dependable operation in standard electrical environments.
• Compact Dimensions: Compact dimensions make it easier to fit into compatible panel configurations.
  

Technical Specifications

• Part Number: QC1050
  
• Type: QC
  
• Poles: 1
  
• Amperage: 50 Amps
  
• Voltage Rating: 120 VAC
  
• Interrupting Rating (A.I.C.): 10k @ 120 VAC
  
• Trip Type: Thermal Magnetic
  
• HACR Rated: Yes
  
• Configuration: Cable-In / Cable-Out
  
• Ambient Rating: 40°C
  
• Dimensions:
  • Height: 3.75 in.
  • Width: 1.0 in.
  • Depth: 2.5 in.

Material Compliance and Certifications

• HACR Rated: The QC1050 is HACR rated for applications involving heating, air conditioning, and refrigeration equipment where approved by applicable electrical codes.
• Installation Requirements: Always verify compatibility with your equipment and installation requirements, and ensure installation is performed in accordance with the National Electrical Code (NEC), local regulations, and manufacturer recommendations.
  

Where It Works Best

• The QC1050 is an excellent choice for protecting 120 VAC branch circuits in compatible load centers and panelboards used in residential, commercial, and light industrial environments. It is well suited for general-purpose electrical distribution as well as HVAC-related applications that require an HACR-rated thermal magnetic circuit breaker. Whether replacing an existing breaker during maintenance or installing a compatible unit in a new system, the QC1050 delivers the dependable circuit protection needed to help keep electrical equipment operating safely and efficiently.