THHQB32050 - 50Amp Circuit Breaker

THHQB32050 - 50 Amp Circuit Breaker

The THHQB32050 is a 50-amp, 3-pole molded case circuit breaker designed to provide dependable overcurrent and short-circuit protection in your commercial, industrial, and heavy-duty electrical distribution systems. As part of the trusted THHQB Q-Line series, this bolt-on circuit breaker delivers secure installation and consistent performance where reliable circuit protection is essential. Featuring a 22kA interrupting rating at 240VAC, the THHQB32050 is engineered to help safeguard electrical equipment, conductors, and connected loads from damaging fault conditions. Its compact footprint makes it well-suited for panelboards and distribution equipment where space efficiency and serviceability are important considerations.

Built for durability and long-term operation, this HACR-rated breaker is commonly used in HVAC equipment, motor loads, lighting systems, and commercial power distribution. The bolt-on mounting design helps ensure a stable electrical connection, reducing the risk of movement- or vibration-related issues over time. Whether installed in a facility upgrade, maintenance project, or new electrical installation, the THHQB32050 offers a practical solution for maintaining system protection and operational continuity.

Key Features and Benefits

• 50 Amp Current Rating: for reliable branch circuit protection.
• 3-Pole Configuration: is designed for three-phase electrical systems.
• 22 kA interrupting capacity at 240 VAC: helps protect equipment during fault conditions.
• Bolt-On Mounting Design: provides a secure and dependable installation.
• HACR Rated: for use in heating, air conditioning, and refrigeration applications.
• Q-Line Series Construction: is known for dependable performance in commercial and industrial environments.
• Molded Case Design: helps provide consistent overcurrent and short-circuit protection.
• Compact dimensions: allow for efficient integration into compatible electrical equipment.
  

Technical Specifications

• Part Number: THHQB32050
  
• Type: THHQB
  
• Circuit Breaker Style: Molded Case Circuit Breaker
  
• Mounting Method: Bolt-On
  
• Series: Q-Line
  
• Amperage Rating: 50 Amps
  
• Number of Poles: 3
  
• Interrupting Rating: 22kA
  
• Voltage Rating: 240VAC
  
• HACR Rated: Yes
  
• Dimensions:
  • Height: 4 in.
  • Width: 3.5 in.
  • Depth: 3.0 in.

Material Compliance and Certifications

• HACR Rated: for qualifying heating, air conditioning, and refrigeration applications.
• Manufactured and tested: to meet applicable industry standards for molded case circuit breaker performance and safety.
• Designed for use: in compatible electrical distribution systems requiring reliable overcurrent protection.
  

Where It Works Best

• The THHQB32050 is an excellent choice for commercial buildings, industrial facilities, manufacturing operations, HVAC systems, distribution panels, motor control applications, and three-phase power systems that require a 50-amp protective device. Its bolt-on design and high interrupting capacity make it particularly well-suited for installations where dependable protection, secure mounting, and long-term electrical system reliability are critical.