THQB1170 - 70A Circuit Breaker

THQB1170 - 70A Circuit Breaker

The THQB1170 is a 70-amp, 2-pole molded case circuit breaker designed to provide dependable overcurrent and short-circuit protection for your commercial, industrial, and residential electrical distribution systems. As part of the trusted THQB Q-Line family, this bolt-on circuit breaker delivers secure panelboard installation and consistent performance in demanding applications. Its compact footprint makes it well-suited for installations where space efficiency matters, while its HACR rating supports use in heating, air conditioning, and refrigeration equipment. Built to help you safeguard electrical systems and connected equipment, the THQB1170 combines reliable circuit protection with straightforward integration into compatible Q-Line panelboards.

Key Features and Benefits

• 70 Amp Rating: For protecting higher-capacity branch circuits and electrical loads.
• 2-Pole Configuration: Designed for 120VAC applications requiring dual-pole protection.
• Bolt-On Mounting Design: Provides a secure mechanical and electrical connection within compatible panelboards.
• Q-Line Compatibility: Supports seamless installation in designated Q-Line electrical distribution systems.
• 10k A.I.C. Interrupting Rating: Helps protect equipment by safely interrupting fault currents.
• HACR Rated: For use with heating, air conditioning, and refrigeration equipment applications.
• Molded Case Construction: Enhances durability and long-term reliability under everyday service conditions.
• Compact Dimensions: Simplify installation in space-conscious electrical assemblies.
  

Technical Specifications

• Part Number: THQB1170
  
• Type: THQB
  
• Circuit Breaker Style: Molded Case Circuit Breaker
  
• Mounting Method: Bolt-On
  
• Poles: 2
  
• Amperage Rating: 70 Amps
  
• Voltage Rating: 120VAC
  
• Interrupting Rating (A.I.C.): 10kA
  
• Dimensions:
  • Height: 3.5 in.
  • Width: 1.0 in.
  • Depth: 2.81 in.
• Series: Q-Line
  
• Special Rating: HACR Rated
  

Material Compliance and Certifications

• Industry Standards: The THQB1170 is manufactured to meet applicable industry standards for molded case circuit breakers and is designed for use in electrical distribution systems requiring reliable overcurrent protection.
• HACR Rating: The HACR rating indicates suitability for heating, air conditioning, and refrigeration applications when installed in accordance with applicable electrical codes, equipment specifications, and local regulations.
  

Where It Works Best

• The THQB1170 is an excellent choice for electrical distribution systems serving commercial facilities, industrial equipment, multi-family properties, and residential applications requiring a 70-amp, 2-pole protective device. It is particularly well-suited for branch circuits connected to HVAC systems, refrigeration equipment, panelboards, motor loads, and other electrical infrastructure where dependable circuit protection and secure bolt-on installation are essential. Its combination of compact size, Q-Line compatibility, and proven overcurrent protection makes it a practical solution for both new installations and maintenance projects.