THQB2150GF - 50Amp Circuit Breaker

THQB2150GF - 50 Amp Circuit Breaker

The THQB2150GF is a 2-pole, 50-amp molded case circuit breaker designed for you to use in compatible Q-Line panelboard systems requiring bolt-on mounting. Featuring a 10kA interrupting capacity at 120/240VAC, this breaker provides circuit protection while incorporating ground fault protection, helping you to detect and interrupt hazardous ground fault conditions. Its compact design allows for efficient installation in commercial, industrial, and institutional electrical distribution systems where dependable overcurrent and ground fault protection are required. Built as part of the THQB series, the THQB2150GF is engineered for form, fit, and function compatibility within designated panelboard applications. The breaker is also HACR rated, making it suitable for heating, air conditioning, and refrigeration equipment installations where applicable. Designed with durability in mind, this molded case circuit breaker is built to last and supports the continued operation and maintenance of existing electrical systems.

Key Features and Benefits

• 50 Amp current rating for branch circuit protection: 50 Amp current rating for branch circuit protection.
• 2-pole configuration for 120/240VAC applications: 2-pole configuration for 120/240VAC applications.
• Integrated ground fault protection functionality: Integrated ground fault protection functionality.
• Bolt-on mounting design for secure installation: Bolt-on mounting design for secure installation.
• Part of the THQB Q-Line circuit breaker family: Part of the THQB Q-Line circuit breaker family.
• 10kA interrupting capacity at 120/240VAC: 10kA interrupting capacity at 120/240VAC.
• HACR rated for compatible HVAC and refrigeration equipment applications: HACR rated for compatible HVAC and refrigeration equipment applications.
• Molded case construction designed for long-term service: Molded case construction designed for long-term service.
• Suitable for commercial, industrial, and institutional electrical systems: Suitable for commercial, industrial, and institutional electrical systems.
• Designed for form, fit, and function compatibility in existing installations: Designed for form, fit, and function compatibility in existing installations.
  

Technical Specifications

• Part Number: THQB2150GF
  
• Type: THQB
  
• Circuit Breaker Style: Molded Case Circuit Breaker
  
• Mounting: Bolt-On
  
• Series: Q-Line
  
• Poles: 2
  
• Amperage: 50A
  
• Voltage Rating: 120/240VAC
  
• Interrupting Capacity (A.I.C.): 10kA @ 120/240VAC
  
• Ground Fault Protection: Yes
  
• HACR Rated: Yes
  
• Dimensions:
  • Height: 3.5 in.
  • Width: 2.0 in.
  • Depth: 2.81 in.

Material Compliance and Certifications

• HACR Rated: HACR rated for use with compatible heating, air conditioning, and refrigeration equipment.
• Industry Standards: Manufactured and tested to applicable industry standards for molded case circuit breakers.
• Approved Applications: Designed for installation in approved Q-Line panelboard systems.
• Ground Fault Protection: Ground fault protection functionality helps support electrical safety requirements where specified by code or application needs.
  

Where It Works Best

• The THQB2150GF is commonly used in commercial buildings, industrial facilities, schools, healthcare environments, office complexes, and HVAC-related electrical systems that require a 50A, 2-pole bolt-on circuit breaker with ground fault protection. It is well-suited for branch circuit protection in compatible Q-Line panelboards where maintaining existing equipment compatibility and meeting application-specific protection requirements are important.