QBM32150TN - 150 Amp Circuit Breaker

QBM32150TN - 150 Amp Circuit Breaker

The QBM32150TN is a 3-pole, 150-amp thermal-magnetic circuit breaker engineered to provide dependable overcurrent and short-circuit protection for commercial and industrial electrical distribution systems operating at 240 VAC. Featuring a 10kA A.I.C. rating, this breaker is designed to help safeguard electrical equipment while maintaining reliable circuit performance under demanding operating conditions. Its non-interchangeable trip unit delivers consistent protection with a fixed trip setting, making it an excellent choice for applications that require a dedicated amperage rating. Designed with lug terminals on the line side and 1/4"-20 studs on the load side, the QBM32150TN simplifies installation in compatible panelboards and switchgear while providing secure electrical connections. Whether you're replacing an existing breaker or maintaining a power distribution system, this QBM series breaker offers the dependable protection and performance professionals expect.

Key Features and Benefits

• 150 Amp Current Rating for protecting higher-capacity branch circuits and distribution equipment.
• 3-Pole Configuration allows protection of three-phase electrical systems with a single device.
• Thermal Magnetic Trip Mechanism responds to both prolonged overloads and instantaneous short circuits for dependable circuit protection.
• 10kA A.I.C. Rating at 240VAC provides interrupting capacity suitable for many commercial and industrial applications.
• Non-Interchangeable Trip Unit delivers a fixed trip rating, helping maintain consistent protection without field adjustments.
• Lug Terminals on the Line Side allow secure incoming conductor connections.
• 1/4"-20 Stud Load Terminals provide reliable downstream equipment connections.
• Designed for compatibility with equipment that accepts QBM Type circuit breakers.

Technical Specifications

• Part Number: QBM32150TN
  
• Type: QBM
  
• Circuit Breaker Type: Thermal Magnetic
  
• Trip Unit: Non-Interchangeable
  
• Poles: 3
  
• Amperage: 150 Amps
  
• Voltage Rating: 240VAC
  
• Interrupting Capacity: 10kA @ 240VAC
  
• Line Connection: Lug Terminals
  
• Load Connection: 1/4"-20 Studs
  
• Dimensions:
  • Height: 6.5 in.
  • Width: 4.5 in.
  • Depth: 3.13 in.

Material Compliance and Certifications

• The QBM32150TN is manufactured for use in compatible electrical distribution systems and is designed to meet applicable industry performance requirements for molded case circuit breakers. Always verify compatibility with your specific panelboard or switchgear and ensure installation is performed in accordance with applicable electrical codes, manufacturer recommendations, and local regulations.

Where It Works Best

The QBM32150TN is well suited for a variety of commercial and industrial power distribution applications, including:

• Commercial buildings and office facilities
• Industrial manufacturing equipment
• Electrical distribution panels
• Motor and machinery protection
• Facility maintenance and electrical system upgrades
• Three-phase power distribution systems requiring a 150-amp breaker with a fixed thermal magnetic trip unit

Built to provide reliable circuit protection and consistent electrical performance, the QBM32150TN 3-pole 150-amp thermal magnetic circuit breaker is an excellent choice for maintaining the safety and continuity of compatible electrical systems where dependable overcurrent protection is essential.