QBL22175 - 175 Amp Circuit Breaker

QBL22175 - 175 Amp Circuit Breaker

The QBL22175 thermal magnetic circuit breaker is a 2-pole, 175-amp circuit breaker designed to provide dependable overcurrent and short-circuit protection for your 120/240VAC electrical distribution systems. Built with a non-interchangeable trip unit, this Type QBL breaker delivers consistent performance by maintaining its factory-calibrated trip characteristics throughout its service life. Featuring lug terminals on both the line and load sides, the QBL22175 allows for secure conductor connections that can simplify installation and maintenance in your commercial, industrial, and heavy-duty electrical applications. With a 10k A.I.C. interrupting rating at 120/240VAC, this breaker is well suited for protecting feeders, distribution equipment, and branch circuits where reliable circuit protection is essential for safe system operation.

Key Features and Benefits

• 175 Amp continuous current rating for demanding electrical distribution applications.
• A 2-pole configuration provides simultaneous protection for both ungrounded conductors in 120/240 VAC systems.
• Thermal magnetic trip mechanism helps protect against both overload conditions and short circuits.
• Non-interchangeable trip unit maintains fixed factory trip settings for dependable, consistent protection.
• 10 kA I.C. rating at 120/240VAC provides reliable interruption of available fault current within its rated capacity.
• Lug terminals on both the line and load sides support secure electrical connections and straightforward installation.
• Designed for long-term performance in commercial, industrial, and institutional electrical systems.
• Compact footprint helps maximize available panel space while delivering high-current protection.
  

Technical Specifications

• Part Number: QBL22175
  
• Type: QBL
  
• Circuit Breaker Style: Thermal Magnetic
  
• Trip Unit: Non-Interchangeable
  
• Poles: 2
  
• Amperage: 175 Amps
  
• Voltage Rating: 120/240VAC
  
• Interrupting Capacity: 10k A.I.C. @ 120/240VAC
  
• Line Connection: Lug Terminal
  
• Load Connection: Lug Terminal
  
• Dimensions:
  • Height: 6.5 in.
  • Width: 3.0 in.
  • Depth: 3.13 in.

Material Compliance and Certifications

• The QBL22175 is manufactured for use in electrical power distribution systems and is designed to meet applicable industry performance standards for molded case circuit breakers. Compatibility, installation, and code compliance should always be verified by a qualified electrician in accordance with the equipment manufacturer's specifications and all applicable local and national electrical codes.
  

Where It Works Best

• The QBL22175 is an excellent choice for electrical systems requiring dependable 175-amp overcurrent protection in a variety of demanding environments, including:
  • Commercial buildings
  • Industrial facilities
  • Manufacturing plants
  • Distribution panels
  • Mechanical and HVAC equipment
  • Motor and feeder circuit protection
  • Institutional and municipal electrical systems
  • Electrical infrastructure upgrades and maintenance projects
  Its combination of thermal magnetic protection, fixed non-interchangeable trip unit, and lug terminals on both the line and load sides makes the QBL22175 a practical solution for applications where consistent protection, secure electrical connections, and dependable performance are priorities.