THQD22175 - 175Amp Circuit Breaker

THQD22175 - 175 Amp Circuit Breaker

The THQD22175 circuit breaker is a 2-pole, 175-amp molded case circuit breaker designed for use in your commercial and industrial electrical distribution systems requiring dependable overcurrent protection. As part of the trusted THQD Q-Line series, this bolt-on breaker features an internal common trip mechanism, ensuring both poles disconnect simultaneously during an overcurrent or short-circuit event. Rated for 22,000 AIC at 120/240VAC, the THQD22175 helps you to protect electrical equipment and conductors from potentially damaging fault conditions while supporting safe system operation.

Built for long service life, this circuit breaker includes load-side lugs for straightforward installation and secure conductor termination. Its bolt-on mounting configuration provides a stable connection within compatible panelboards and distribution equipment. Additionally, the breaker is HACR rated, making it suitable for heating, air conditioning, and refrigeration applications where compliant circuit protection is required. Whether you're used as a replacement component in an existing system or for maintaining compatible electrical infrastructure, the THQD22175 delivers the form, fit, and function needed for continued operation of compatible equipment.

Key Features and Benefits

• 175 Amp Current Rating: 175 Amp current rating for higher-capacity branch circuit and feeder protection.
• 2-Pole Configuration: 2-pole configuration for 120/240VAC electrical systems.
• 22kA Interrupting Capacity: 22kA interrupting capacity (AIC) at 120/240VAC.
• Internal Common Trip Design: Internal common trip design disconnects both poles simultaneously during fault conditions.
• Bolt-On Mounting Style: Bolt-on mounting style for secure installation in compatible equipment.
• Load-Side Lugs Included: Includes load-side lugs for convenient conductor connections.
• HACR Rated: HACR rated for heating, air conditioning, and refrigeration applications.
• THQD Q-Line Family: Part of the THQD Q-Line product family.
• Molded Case Construction: Molded case construction designed for long-term durability and dependable operation.
• Replacement Compatibility: Suitable as a form, fit, and functional replacement in compatible electrical systems.
  

Technical Specifications

• Part Number: THQD22175
  
• Type: THQD
  
• Product Family: Q-Line
  
• Circuit Breaker Type: Molded Case Circuit Breaker
  
• Poles: 2
  
• Amperage Rating: 175 Amps
  
• Voltage Rating: 120/240VAC
  
• Interrupting Rating (AIC): 22kA @ 120/240VAC
  
• Mounting Style: Bolt-On
  
• Trip Type: Internal Common Trip
  
• Included Accessories: Load-Side Lugs
  
• HACR Rated: Yes
  
• Dimensions:
  • Height: 6.56 in.
  • Width: 2.75 in.
  • Depth: 2.75 in.

Material Compliance and Certifications

• HACR Rated: HACR Rated for approved heating, air conditioning, and refrigeration applications.
• Application Compliance: Manufactured for use in accordance with applicable electrical system requirements and compatible equipment specifications.
• Operational Design: Designed to meet the operational and installation characteristics associated with THQD Q-Line circuit breaker applications.
  

Where It Works Best

• The THQD22175 is well-suited for commercial, industrial, and institutional electrical distribution systems that require a 175-amp, 2-pole circuit breaker with a 22kA interrupting rating. It is commonly used in panelboards, distribution equipment, HVAC installations, refrigeration systems, and other applications where reliable overcurrent protection and compatibility with THQD Q-Line equipment are essential. Its bolt-on design and included load-side lugs make it particularly useful for maintenance, repair, and replacement projects involving existing electrical infrastructure.