THHQB32070 - 70Amp Circuit Breaker

THHQB32070 - 70 Amp Circuit Breaker

The THHQB32070 is a 70-amp, 3-pole bolt-on circuit breaker designed to protect your electrical systems from overloads and short circuits in commercial and industrial applications. As part of the THHQB Q-Line family, this molded case breaker provides reliable protection for three-phase circuits while maintaining a secure connection to compatible panelboards through its bolt-on mounting design.

With an interrupting rating of 22 kA at 240 VAC, the THHQB32070 is suitable for applications requiring dependable fault protection. Its HACR rating also makes it a practical choice for heating, ventilation, air conditioning, and refrigeration equipment. The compact design allows it to fit easily into compatible electrical distribution systems without taking up unnecessary panel space.

Whether you are installed in a commercial facility, manufacturing environment, office building, or other power distribution system, the THHQB32070 helps keep electrical equipment protected and operating safely.

Key Features and Benefits

• 70 amp current rating: 70 amp current rating.
• 3-pole design: 3-pole design for three-phase electrical systems.
• 22kA interrupting capacity: 22kA interrupting capacity at 240VAC.
• Bolt-on mounting: Bolt-on mounting for a secure panelboard connection.
• HACR rated: HACR rated for HVAC and refrigeration applications.
• Molded case construction: Molded case construction.
• Q-Line family: Part of the Q-Line circuit breaker family.
• Protection: Designed for overcurrent and short-circuit protection.
  

Technical Specifications

• Part Number: THHQB32070
  
• Type: THHQB
  
• Poles: 3
  
• Amperage: 70A
  
• Voltage Rating: 240VAC
  
• A.I.C. Rating: 22kA @ 240VAC
  
• Mounting Style: Bolt-On
  
• Series: Q-Line
  
• Construction: Molded Case Circuit Breaker
  
• HACR Rated: Yes
  
• Dimensions:
  • Height: 3.5 in.
  • Width: 3.0 in.
  • Depth: 2.81 in.

Material Compliance and Certifications

• HACR Rated: HACR Rated.
• Application: Manufactured for use in compatible electrical distribution systems.
• Protection: Designed to provide overcurrent and short-circuit protection in accordance with applicable installation requirements.
• Installation Guidelines: Refer to equipment documentation and local electrical codes for installation and application guidelines.
  

Where It Works Best

• The THHQB32070 is commonly used in commercial buildings, industrial facilities, retail spaces, schools, and other properties with three-phase power distribution systems. It is especially well-suited for branch circuits, distribution panels, HVAC equipment, refrigeration systems, and other applications that require a 70-amp, 3-pole circuit breaker with a bolt-on connection.