QBM22150TN - 150 Amp Circuit Breaker

QBM22150TN - 150 Amp Circuit Breaker

The QBM22150TN is a 2-pole, 150-amp thermal-magnetic circuit breaker designed to provide dependable overcurrent and short-circuit protection for 120/240 VAC electrical distribution systems. Built with a non-interchangeable trip unit, this Type QBM breaker delivers consistent, factory-calibrated protection to safeguard electrical equipment and support reliable system performance. Its unique terminal configuration features lug terminals on the line side and 1/4-20" studs on the load side, making it well-suited for installations that require secure, high-current connections. Rated for 10kA interrupting capacity at 120/240VAC, the QBM22150TN is an excellent choice for commercial, industrial, and heavy-duty electrical applications where dependable circuit protection is essential. Whether you're replacing an existing breaker or maintaining critical power distribution equipment, this breaker offers the performance and durability professionals expect from the QBM product family.

Key Features and Benefits

• 150 Amp current rating for higher-capacity electrical distribution applications.
• 2-pole configuration designed for 120/240VAC systems.
• Thermal magnetic trip mechanism protects against both overloads and short circuits.
• Non-interchangeable trip unit ensures permanently calibrated protection and dependable operation.
• 10kA interrupting capacity at 120/240VAC helps safely interrupt fault currents within its rated capacity.
• Line-side lug terminals simplify incoming conductor connections.
• Load-side 1/4-20" stud terminals provide secure termination for compatible downstream conductors and equipment.
• Compact footprint allows installation in compatible panelboards and electrical distribution equipment.
• Ideal for maintenance, repair, and replacement projects requiring a Type QBM circuit breaker.
  

Technical Specifications

• Part Number: QBM22150TN
  
• Type: QBM
  
• Circuit Breaker Type: Thermal Magnetic
  
• Trip Unit: Non-Interchangeable
  
• Poles: 2
  
• Amperage: 150 Amps
  
• Voltage Rating: 120/240VAC
  
• Interrupting Capacity: 10kA @ 120/240VAC
  
• Line Connections: Lug Terminals
  
• Load Connections: 1/4-20" Studs
  
• Dimensions:
  • Height: 6.5 in.
  • Width: 3.0 in.
  • Depth: 3.13 in.

Material Compliance and Certifications

• The QBM22150TN is designed for installation in compatible electrical distribution systems and should be installed and maintained in accordance with applicable electrical codes and manufacturer specifications. Users should verify all application requirements, certifications, and compliance standards for their specific installation before use.
  

Where It Works Best

The QBM22150TN is well-suited for a wide variety of electrical power distribution applications, including:

• Commercial buildings
• Industrial facilities
• Manufacturing equipment
• Electrical distribution panels
• Motor and machinery circuits requiring a 150A, 2-pole breaker
• Service, maintenance, and equipment replacement projects where a Type QBM breaker is specified

Its combination of thermal-magnetic protection, fixed-trip calibration, and high-current terminal design makes it a dependable solution for protecting electrical systems while minimizing downtime and maintaining safe operation.