QBL22150 - 150 Amp Circuit Breaker

QBL22150 - 150 Amp Circuit Breaker

The QBL22150 is a 2-pole, 150-amp thermal-magnetic circuit breaker designed to provide dependable overcurrent and short-circuit protection for your 120/240VAC electrical distribution systems. Featuring a non-interchangeable trip unit, this breaker delivers consistent factory-calibrated protection, helping you maintain the integrity and safety of electrical installations. Built with lug terminals on both the line and load sides, the QBL22150 offers secure conductor connections that simplify installation and maintenance while supporting reliable electrical performance. Its thermal magnetic trip mechanism responds to both sustained overloads and instantaneous fault conditions, making it an excellent choice for protecting feeders, panelboards, and other commercial or industrial power distribution equipment where dependable circuit protection is essential.

Key Features and Benefits

• 150 Amp current rating for high-capacity electrical distribution applications.
• 2-pole configuration designed for 120/240VAC systems.
• Thermal magnetic trip technology protects against both overloads and short circuits.
• Non-interchangeable trip unit provides fixed, factory-calibrated protection without field-adjustable trip replacement.
• 10kA interrupting capacity (A.I.C.) at 120/240VAC helps safely interrupt available fault current within its rated capacity.
• Lug terminals on both the line and load sides allow for secure wire terminations and straightforward installation.
• Designed for dependable operation in commercial, industrial, and institutional electrical systems.
• Built to help minimize equipment downtime by providing consistent overcurrent protection.
  

Technical Specifications

• Part Number: QBL22150
  
• Type: QBL
  
• Poles: 2
  
• Amperage: 150A
  
• Voltage Rating: 120/240VAC
  
• Interrupting Rating (A.I.C.): 10kA @ 120/240VAC
  
• Trip Unit: Thermal Magnetic, Non-Interchangeable
  
• 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 QBL22150 is manufactured for use in electrical power distribution systems and is designed to meet applicable industry standards for its product class. Compatibility, certifications, and code compliance should always be verified based on the specific installation requirements, local electrical codes, and the equipment in which the breaker will be installed.
  

Where It Works Best

• The QBL22150 is well suited for a wide variety of electrical distribution applications requiring 150-amp, two-pole circuit protection. It is commonly used in commercial buildings, industrial facilities, manufacturing operations, institutional environments, and other applications where dependable protection of feeders, branch circuits, and distribution equipment is essential. Its thermal-magnetic operating characteristics make it an excellent choice for systems that require reliable performance under both normal operating conditions and electrical fault events.