QBM32225TN - 225 Amp Circuit Breaker

QBM32225TN - 225 Amp Circuit Breaker

The QBM32225TN thermal magnetic circuit breaker is engineered to provide dependable overcurrent and short-circuit protection for your commercial and industrial electrical distribution systems. Rated at 225 amps with a 3-pole configuration, this breaker is designed for use in 240VAC applications with a 10kA interrupting capacity (A.I.C. rating). Its non-interchangeable trip unit delivers a fixed level of circuit protection, helping you maintain consistent performance in applications where a dedicated trip setting is required. This model 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, reliable power connections. Built for long-term service in demanding environments, the QBM32225TN is an excellent choice for protecting feeders, distribution equipment, motor loads, and other critical electrical circuits.

Key Features and Benefits

• 225 Amp Continuous Current Rating for medium- to high-capacity electrical systems.
• Provides protection for three-phase electrical circuits.
• Helps safeguard equipment against both overloads and short circuits.
• Supports reliable fault interruption within its rated capacity.
• Provides a fixed trip setting for consistent circuit protection.
• Allows secure incoming conductor connections.
• Simplifies attachment of outgoing conductors and equipment.
• Designed for dependable operation in commercial, industrial, and facility power distribution systems.
  

Technical Specifications

• Part Number: QBM32225TN
  
• Type: QBM
  
• Trip Type: Thermal Magnetic
  
• Trip Unit: Non-Interchangeable
  
• Poles: 3
  
• Current Rating: 225 Amps
  
• Interrupting Capacity: 10kA @ 240VAC
  
• Voltage Rating: 240VAC
  
• 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 QBM32225TN is manufactured for use in electrical power distribution systems and is designed to meet applicable industry standards for molded case circuit breakers. Compatibility, certifications, and regulatory compliance should always be verified against the equipment manufacturer's documentation and local electrical codes before installation.
  

Where It Works Best

• The QBM32225TN is a practical solution for a wide range of commercial and industrial electrical applications that require reliable branch or feeder circuit protection. It is commonly used in:
  • Commercial buildings and office facilities
  • Industrial manufacturing plants
  • Electrical distribution panels and switchboards
  • Motor control and machinery circuits
  • Facility maintenance and electrical system upgrades
  • Warehouses, processing facilities, and institutional buildings
  Its combination of a 225-amp capacity, thermal magnetic protection, and specialized line and load terminal configuration makes it a dependable choice for protecting critical electrical equipment while helping maintain safe, consistent system operation.