QBF32225TS - 225 Amp Circuit Breaker

QBF32225TS - 225 Amp Circuit Breaker

When your electrical system demands reliable protection, the QBF32225TS steps in as a high-capacity circuit breaker built for performance and safety. Designed for industrial and commercial environments, this 3-pole breaker supports up to 225 A at 240 VAC, offering dependable overcurrent protection with a 10 kA interrupting rating to guard against faults even under heavy load conditions. Whether you're safeguarding critical machinery or power distribution networks, this unit ensures your system stays protected and dependable day after day.

Key Features and Benefits

• High Current Handling: Able to carry 225 amps continuously (at 80 % rating), this breaker is ideal for applications with elevated power demands.
• Thermal-Magnetic Trip Mechanism: The built-in thermal-magnetic trip unit precisely reacts to both overloads and short circuits, helping prevent damage while minimizing nuisance trips.
• Space-Saving Form Factor with Durable Build: Measuring 6.47″ × 4.5″ × 3.93″, this compact unit fits neatly into tight panels, and its strong housing ensures it can endure the rigors of industrial duty.
• Ease of Installation & Maintenance: With unit-mount compatibility, busbar connections, and stud terminals (no need for nuts and washers), this breaker cuts down installation time and maintenance hassle.
• Safety Assurance: Independently tested to UL, CSA, and NOM standards, you can trust this breaker to comply with rigorous safety regulations.

Technical Specifications

• Rated Current: 225 A
  
• Poles: 3
  
• Voltage Rating: 240 VAC (50/60 Hz)
  
• Interrupting Rating:
  • 10 kA at 208Y/120 VAC & 240 VAC
• Impulse Withstand Voltage: 8 kV
  
• Trip Unit Type: Thermal-magnetic
  
• Magnetic Trip Current: 2400 A
  
• Magnetic Hold Current: 1200 A
  
• Continuous Current Rating: 80 %
  
• Mechanical Durability: 1,000 cycles (loaded) / 5,000 cycles (no load)
  
• Mounting: Unit mount (busbar)
  
• Dimensions:
  • Height: 6.47″
  • Width: 4.50″
  • Depth: 3.93″
• Connection: Busbar connection, studs on line/load ends
  
• Tightening Torque: 247.8 lbf·in (28 N·m)
  

Material Compliance and Certifications

• Environmental Compliance: This breaker is built with environmentally conscious design. It holds a Green Premium label and complies with RoHS and REACh requirements. It contains no mercury, PVC, or halogen substances, making it safer for both installations and environmental health.
• Certifications: Rated to UL, CSA, and NOM standards—so it meets international benchmarks for safety and performance.

Where It Works Best

• Manufacturing plants powering heavy equipment
• Commercial buildings with large HVAC, lighting, or elevator systems
• Data centers or server rooms where continuous protection is vital
• Electrical distribution applications in industrial parks or utility rooms