UBIZ125B - 125Amp Circuit Breaker

UBIZ125B - 125Amp Circuit Breaker

The UBIZ125B 125 Amp circuit breaker protects your electrical system with reliable, consistent performance. Electricians and contractors often choose this breaker when they need a solid, no-fuss solution for 120/240V systems. Its two-pole design allows it to trip both legs of the circuit at once, offering full protection. The bolt-on mounting style makes installation straightforward and secure, so it stays in place even in high-vibration settings. You can trust this breaker to handle fault currents up to 10,000 amps. It fits easily into most standard bolt-on panelboards and doesn’t take up unnecessary space. With a height of just under 5 inches and a weight of 1.5 pounds, you’ll find it easy to handle during installs or replacements.

Key Features and Benefits

• Delivers 125 amps of protection for heavy-duty circuits
• Trips both legs in 120/240V systems with its two-pole design
• Installs securely with bolt-on mounting—won’t shift or loosen
• Interrupts up to 10kA of fault current at rated voltage
• Fits comfortably in panels thanks to its compact build

Technical Specifications

• Part Number: UBIZ125B
  
• Amperage: 125A
  
• Voltage: 120/240VAC
  
• Poles: 2
  
• Interrupting Capacity: 10kAIC
  
• Mounting Type: Bolt-On
  
• Frame Type: QCB
  
• Height: 4.81 inches
  
• Weight: 1.5 lbs
  

Material Compliance and Certifications

• Manufacturers build this breaker using durable, heat-resistant materials that meet modern electrical standards. It passes required compliance checks for safe use in both residential and light commercial settings.

Where It Works Best

• You’re upgrading a home service panel
• You’re replacing an existing 125A breaker in a bolt-on panel
• You’re building out a light commercial system
• You need dependable overcurrent protection with straightforward installation