THQL32045 - 45Amp Circuit Breaker

THQL32045 - 45 Amp Circuit Breaker

When dependable circuit protection matters, the THQL32045 45 Amp 3-Pole Circuit Breaker delivers the performance electrical professionals expect. Designed as part of the trusted THQL Q-Line series, this molded case circuit breaker helps protect electrical systems from overloads and short circuits while keeping power distribution running safely and efficiently.

Whether you're upgrading an existing panel, replacing a faulty breaker, or completing a new installation, the THQL32045 offers a straightforward plug-on design that helps streamline installation and maintenance. Its 45-amp rating and 3-pole configuration make it an excellent choice for a variety of three-phase applications, including commercial equipment, HVAC systems, motor loads, and electrical distribution panels.

Built to interrupt fault currents up to 10,000 amps at 240VAC, this breaker is designed to respond quickly when electrical issues arise, helping protect valuable equipment and minimize downtime. The added HACR rating also makes it a strong option for approved heating, air conditioning, and refrigeration applications where reliable protection is essential.

For contractors, facility managers, maintenance teams, and property owners looking for dependable circuit protection, the THQL32045 combines trusted performance, convenient installation, and compatibility with Q-Line panel systems in one compact package.

Key Features and Benefits

• Dependable 45 Amp Protection: Helps safeguard electrical circuits from overloads and short-circuit conditions.
• 3-Pole Design: Ideal for three-phase electrical systems that require simultaneous protection across multiple conductors.
• 10kA Interrupting Rating at 240VAC: Designed to safely clear fault currents before they can cause damage.
• Q-Line Compatibility: Engineered for use in compatible Q-Line load centers and panelboards.
• Quick Plug-On Installation: Simplifies installation and replacement, helping reduce labor time.
• HACR Rated: Suitable for approved heating, ventilation, air conditioning, and refrigeration equipment.
• Compact Footprint: Maximizes available panel space while providing reliable protection.
• Molded Case Construction: Built for long-term durability in demanding electrical environments.
  

Technical Specifications

• Part Number: THQL32045
  
• Type: THQL
  
• Series: Q-Line
  
• Circuit Breaker Type: Molded Case Circuit Breaker
  
• Poles: 3
  
• Amperage Rating: 45 Amps
  
• Voltage Rating: 240VAC
  
• Interrupting Capacity: 10kA @ 240VAC
  
• Mounting Style: Plug-On
  
• HACR Rated: Yes
  
• Dimensions:
  • Height: 3.31 in.
  • Width: 3.00 in.
  • Depth: 2.81 in.

Material Compliance and Certifications

• Industry Requirements: The THQL32045 is manufactured to meet applicable industry requirements for molded case circuit breakers and electrical protection devices.
• HACR Rating: Its HACR rating supports use in approved heating, air conditioning, and refrigeration applications.
• Installation Compliance: Installation should always comply with applicable electrical codes, industry standards, and equipment manufacturer recommendations.
  

Where It Works Best

• The THQL32045 is a practical choice for commercial buildings, industrial facilities, multi-family properties, and residential electrical systems requiring reliable three-phase circuit protection. It is frequently used for HVAC equipment, motor circuits, distribution panels, branch circuit protection, and other applications where a 45-amp, 3-pole breaker is specified. Its combination of dependable performance, space-saving design, and easy installation makes it a valuable solution for both new construction and maintenance projects.