THQB32050 - 50Amp Circuit Breaker

THQB32050 - 50 Amp Circuit Breaker

The THQB32050 is a dependable 50-amp, 3-pole bolt-on molded case circuit breaker designed for reliable overcurrent and short-circuit protection in your commercial, industrial, and institutional electrical distribution systems. As part of the trusted THQB Q-Line series, this breaker provides secure bolt-on installation to help maintain strong electrical connections while reducing the risk of unwanted movement or vibration within the panel. Rated at 10kA interrupting capacity at 240VAC, the THQB32050 is engineered to help you protect conductors, equipment, and electrical systems from potentially damaging fault conditions. Its compact design allows it to fit efficiently within compatible panelboards and distribution equipment, making it a practical choice for both new installations and maintenance projects. Additionally, its HACR rating supports use in heating, air conditioning, and refrigeration applications where dependable circuit protection is essential for system performance and uptime.

Key Features and Benefits

• 50 Amp Current Rating: Reliable branch circuit protection in a wide range of electrical applications.
• 3-Pole Configuration: Enables protection of three-phase electrical systems and equipment.
• Bolt-On Mounting Design: Provides a secure mechanical and electrical connection within compatible panelboards.
• 10 kA Interrupting Capacity at 240 VAC: Helps protect electrical systems during fault conditions.
• Q-Line Series Compatibility: Supports use in designated Q-Line distribution equipment.
• HACR Rated: For applications involving heating, air conditioning, and refrigeration equipment.
• Molded Case Construction: Helps enhance durability and long-term performance in demanding environments.
• Compact Footprint: Helps maximize available panel space while maintaining effective circuit protection.

Technical Specifications

• Part Number: THQB32050
• Type: THQB
• Circuit Breaker Style: Molded Case Circuit Breaker
• Mounting: Bolt-On
• Poles: 3
• Amperage Rating: 50 Amps
• Voltage Rating: 240VAC
• Interrupting Capacity: 10kA @ 240VAC
• Series: Q-Line
• HACR Rated: Yes
• Height: 3.5 in.
• Width: 3.0 in.
• Depth: 2.81 in.

Material Compliance and Certifications

• Industry Standards: The THQB32050 is manufactured as a molded case circuit breaker designed to meet applicable industry performance standards for overcurrent protection and electrical safety.
• HACR Rating: Its HACR rating supports use in approved heating, ventilation, air conditioning, and refrigeration applications.
• Installation Note: Always verify compatibility and code requirements for your specific installation before use.

Where It Works Best

• The THQB32050 is well-suited for commercial buildings, industrial facilities, manufacturing operations, educational institutions, retail locations, and other environments utilizing three-phase electrical distribution. It is commonly used to protect feeders, branch circuits, HVAC equipment, refrigeration systems, motors, lighting systems, and other electrical loads requiring a 50-amp, 3-pole circuit breaker with secure bolt-on installation and dependable fault protection.