THQB32070 - 70Amp Circuit Breaker

THQB32070 - 70 Amp Circuit Breaker

The THQB32070 is a 70-amp, 3-pole molded case circuit breaker designed for dependable overcurrent and short-circuit protection in your commercial, industrial, and institutional electrical systems. As part of the trusted THQB Q-Line family, this bolt-on circuit breaker delivers secure panelboard mounting and consistent performance in demanding power distribution applications. With a 10kA interrupting rating at 240VAC, the THQB32070 helps safeguard electrical equipment, branch circuits, and connected loads while supporting system reliability and uptime.

Built for applications requiring three-phase circuit protection, the THQB32070 combines a compact footprint with durable molded case construction. Its HACR rating makes it suitable for use in heating, air conditioning, and refrigeration equipment, while the bolt-on design helps you to ensure a stable electrical connection in panelboard installations. Whether used in commercial buildings, manufacturing facilities, retail environments, or other power distribution systems, this circuit breaker provides the protection needed to help you maintain safe and efficient operation.

Key Features and Benefits

• 70 Amp current rating: for medium-duty commercial and industrial circuit protection
• 3-pole configuration: designed for three-phase electrical systems
• 10kA interrupting capacity at 240VAC: helps protect equipment from damaging fault currents
• THQB Q-Line design: supports compatibility with designated Q-Line panelboard systems
• Bolt-on mounting: promotes secure installation and reliable electrical connections
• Molded case construction: is built for long-term durability in demanding environments
• HACR rated: for applications involving heating, air conditioning, and refrigeration equipment
• Compact dimensions: allow efficient use of panel space

Technical Specifications

• Part Number: THQB32070
• Type: THQB
• Circuit Breaker Style: Molded Case Circuit Breaker
• Product Line: Q-Line
• Mounting Type: Bolt-On
• Poles: 3
• Amperes: 70A
• Voltage Rating: 240VAC
• Interrupting Rating: 10kA @ 240VAC
• HACR Rated: Yes
• Dimensions:
  • Height: 3.5 in.
  • Width: 3.0 in.
  • Depth: 2.81 in.

Material Compliance and Certifications

• HACR Rating: The THQB32070 is manufactured as a molded case circuit breaker for electrical distribution and protection applications. Its HACR rating supports use in approved heating, ventilation, air conditioning, and refrigeration systems.
• Installation Compliance: Users should verify local code requirements, installation standards, and application-specific compliance requirements before installation.

Where It Works Best

• Commercial buildings and office facilities
• Industrial power distribution systems
• Manufacturing and processing equipment
• HVAC and refrigeration applications
• Retail and mixed-use developments
• Institutional and educational facilities
• Three-phase branch circuit protection
• Electrical panelboard and distribution equipment installations
• When reliable three-phase overcurrent protection is required, the THQB32070 offers a practical combination of performance, secure bolt-on installation, and dependable circuit protection for a wide range of electrical distribution applications.