THQL32015ST1 - 15Amp Circuit Breaker

THQL32015ST1 - 15 Amp Circuit Breaker

The THQL32015ST1 is a 15-amp, 3-pole molded-case circuit breaker designed to provide dependable overcurrent and short-circuit protection in your commercial, industrial, and residential electrical distribution systems. As part of the trusted THQL Q-Line series, this plug-on circuit breaker delivers reliable circuit protection while supporting efficient installation and maintenance. Its compact footprint and durable construction make it an excellent choice for panelboard applications where consistent performance and space efficiency are important.

Engineered for use in 240VAC electrical systems, the THQL32015ST1 features a 10kA interrupting capacity (A.I.C. rating), helping safeguard electrical equipment and wiring against potentially damaging fault conditions. The breaker is also HACR rated, making it suitable for heating, air conditioning, and refrigeration equipment applications where dependable circuit protection is essential. Whether you use it in new installations, panel upgrades, or maintenance projects, this Q-Line breaker helps maintain system reliability while supporting electrical safety requirements.

Key Features and Benefits

• 15 Amp Rating: Ideal for protecting lower-amperage three-phase branch circuits.
• 3-Pole Design: Simultaneously disconnects all three phases for enhanced safety and protection.
• 10kA Interrupting Capacity at 240VAC: Helps protect electrical systems from short-circuit and fault conditions.
• THQL Q-Line Series: Designed for compatibility with approved Q-Line load centers and panelboards.
• Plug-On Mounting Style: Simplifies installation and replacement procedures.
• HACR Rated: Suitable for heating, air conditioning, and refrigeration equipment applications.
• Molded Case Construction: Built for long-term durability and dependable operation.
• Compact Form Factor: Supports efficient use of panel space without sacrificing performance.
  

Technical Specifications

• Part Number: THQL32015ST1
  
• Type: THQL
  
• Circuit Breaker Style: Molded Case Circuit Breaker
  
• Series: Q-Line
  
• Mounting Type: Plug-On
  
• Poles: 3
  
• Amperage Rating: 15 Amp
  
• Voltage Rating: 240VAC
  
• Interrupting Capacity (A.I.C.): 10kA @ 240VAC
  
• HACR Rated: Yes
  
• Dimensions:
  • Height: 3.31 in.
  • Width: 4.00 in.
  • Depth: 2.81 in.

Material Compliance and Certifications

• Industry Standards: The THQL32015ST1 is manufactured to meet applicable industry standards for molded case circuit breakers and electrical distribution equipment.
• HACR Rating: Its HACR rating supports use in approved heating, ventilation, air conditioning, and refrigeration applications. Users should always verify local code requirements, equipment compatibility, and installation specifications before use.
  

Where It Works Best

• Commercial buildings and office facilities
• Industrial control and distribution panels
• HVAC and refrigeration systems
• Manufacturing environments
• Electrical maintenance and retrofit projects
• Three-phase branch circuit protection applications
• Panelboard and load center installations requiring a 15-amp, 3-pole breaker
• When dependable overcurrent protection, easy installation, and proven Q-Line compatibility are required, the THQL32015ST1 provides a practical solution for maintaining safe and efficient electrical system operation.