QBL32175 - 175 Amp Circuit Breaker

QBL32175 - 175 Amp Circuit Breaker

The QBL32175 thermal-magnetic circuit breaker is a 3-pole, 175-amp unit designed to provide dependable overcurrent and short-circuit protection for commercial and industrial electrical distribution systems. Built with a non-interchangeable trip unit, this breaker delivers consistent, factory-set protection to safeguard electrical equipment and support reliable system performance. Its thermal-magnetic trip mechanism responds to both prolonged overloads and instantaneous fault conditions, making it a practical solution for protecting feeders, panelboards, switchboards, and other power distribution equipment operating at 240 VAC.

Designed for straightforward installation and secure electrical connections, the QBL32175 features lug terminals on both the line and load sides, simplifying wiring across a variety of applications. With a 10 kA interrupting capacity at 240 VAC, this breaker is well-suited for systems where dependable circuit protection and long-term durability are essential. Whether you're replacing an existing breaker or maintaining electrical infrastructure, the QBL32175 offers the performance and reliability professionals expect from the QBL series.

Key Features and Benefits

• 175 Amp continuous current rating for medium- to high-capacity electrical distribution applications.
• 3-pole configuration protects three-phase electrical systems.
• Thermal magnetic trip mechanism protects against both overloads and short circuits.
• Non-interchangeable trip unit ensures a fixed, factory-configured trip setting for consistent performance.
• 10kA interrupting rating at 240VAC helps safely interrupt fault currents within its specified rating.
• Lug terminals on both the line and load sides allow for secure, straightforward cable connections.
• Designed for dependable operation in commercial and industrial electrical environments.
• Ideal for maintenance, equipment replacement, and electrical system upgrades requiring a QBL-type breaker.
  

Technical Specifications

• Part Number: QBL32175
  
• Type: QBL
  
• Circuit Breaker Type: Thermal Magnetic
  
• Trip Unit: Non-Interchangeable
  
• Poles: 3
  
• Amperage: 175 Amps
  
• Voltage Rating: 240VAC
  
• Interrupting Capacity (A.I.C.): 10kA @ 240VAC
  
• Line Connection: Lug Terminals
  
• Load Connection: Lug Terminals
  
• Dimensions:
  • Height: 6.5 in.
  • Width: 4.5 in.
  • Depth: 3.13 in.

Material Compliance and Certifications

• The QBL32175 is manufactured for use in electrical power distribution systems and is designed to meet applicable industry standards for circuit protection associated with its product class. Always verify compatibility with your electrical system, equipment specifications, and local electrical codes before installation. Qualified electrical professionals should perform installation and servicing.

Where It Works Best

• The QBL32175 3-pole 175A circuit breaker is well suited for a wide range of commercial and industrial power distribution applications, including: Three-phase panelboards, Switchboards, Distribution panels, Industrial machinery and manufacturing equipment, Commercial buildings, Electrical feeder circuits, Facility maintenance and equipment replacement projects. Its combination of a 175A current rating, thermal-magnetic protection, 10kA interrupting capacity at 240VAC, and dual-lug terminal connections makes it an excellent choice for applications requiring dependable overcurrent protection and consistent electrical performance.