QBM32125TN - 125 Amp Circuit Breaker

QBM32125TN - 125 Amp Circuit Breaker

The QBM32125TN is a 125-amp, 3-pole thermal magnetic circuit breaker designed to provide dependable overcurrent and short-circuit protection in commercial and industrial electrical distribution systems. Built with a non-interchangeable trip unit, this Type QBM breaker delivers consistent protection by maintaining a fixed trip rating throughout its service life. Its combination of lug terminals on the line side and 1/4"-20 studs on the load side makes it well suited for installations that require secure, reliable electrical connections. Rated 10kA at 240VAC, the QBM32125TN helps safeguard electrical equipment while supporting safe and efficient system operation. Whether you're replacing an existing breaker or maintaining critical power distribution equipment, this circuit breaker offers the performance and durability professionals expect for demanding electrical applications.

Key Features and Benefits

• 125 Amp Continuous Rating for reliable overcurrent protection in higher-capacity electrical systems.
• Three-Pole Configuration provides protection for three-phase electrical distribution applications.
• Thermal Magnetic Trip Mechanism responds to both prolonged overloads and instantaneous short circuits for dependable circuit protection.
• Non-Interchangeable Trip Unit maintains a fixed trip rating, helping ensure consistent system protection.
• 10kA Interrupting Capacity at 240VAC provides reliable fault interruption for properly rated electrical systems.
• Line-Side Lug Terminals allow for secure incoming conductor connections.
• Load-Side 1/4"-20 Stud Terminals support dependable outgoing electrical connections.
• Designed for long-term performance in commercial and industrial environments where dependable circuit protection is essential.

Technical Specifications

• Part Number: QBM32125TN
  
• Type: QBM
  
• Amperage: 125 Amps
  
• Poles: 3
  
• Voltage Rating: 240 VAC
  
• Interrupting Capacity (A.I.C.): 10kA @ 240VAC
  
• Trip Unit: Thermal Magnetic, Non-Interchangeable
  
• Line Connections: Lug Terminals
  
• Load Connections: 1/4"-20 Studs
  
• Dimensions:
  • Height: 6.5 in.
  • Width: 4.5 in.
  • Depth: 3.13 in.

Material Compliance and Certifications

• The QBM32125TN is manufactured for use in electrical power distribution systems and is designed to meet applicable product standards for its class. Always verify compatibility with your electrical system, equipment requirements, and local electrical codes before installation. Installation, inspection, and maintenance should be performed by qualified electrical personnel following all applicable safety practices.

Where It Works Best

The QBM32125TN is an excellent choice for a wide range of commercial and industrial electrical applications requiring dependable three-phase circuit protection. It is commonly used in:

• Commercial buildings
• Industrial facilities
• Manufacturing plants
• Electrical distribution panels
• Motor control applications
• Equipment protection circuits
• Facility maintenance and electrical system upgrades
• Replacement of compatible Type QBM circuit breakers

With its 125-amp rating, thermal magnetic protection, and secure terminal configuration, the QBM32125TN provides reliable circuit protection for applications where consistent performance and dependable operation are essential.