UBIZ240 - 40 Amp Circuit Breaker

UBIZ240 - 40 Amp Circuit Breaker

If you’re working with an older Zinsco load center and need a solid 40 Amp replacement breaker, the UBIZ240 from Connecticut Electric is a smart choice. It’s built to fit right into panels that accept QC-type breakers, so there’s no fighting with the installation—it just works. Whether you’re handling a panel upgrade at home or replacing a worn-out breaker in a commercial building, this one’s designed to deliver safe, consistent performance without the headaches.

Key Features & Benefits

• Made for Zinsco Load Centers – Fits exactly where it should, saving you time and frustration during installs.
• Reliable 40 Amp Capacity – Handles higher-power circuits and helps protect against overloads and short circuits.
• Two-Pole Configuration – Ideal for 240V systems, including HVAC units, dryers, or other big appliances.
• 10,000 AIC Rating – Built to interrupt significant fault currents safely.

Technical Specs

• Current Rating: 40 Amps
  
• Poles: 2
  
• Voltage: 120/240 VAC
  
• Interrupting Capacity: 10,000 AIC
  
• Size: 1.50″ W x 4.81″ L x 2.50″ D
  

Certifications & Compliance

• ETL Listed – Tested for safety and quality, so you know you’re installing something dependable.
• RoHS Compliant – Built without hazardous materials, better for the environment and your peace of mind.

Where It Works Best

• Perfect for older homes, rental properties, or small businesses still using Zinsco panels. It’s especially useful for electricians who deal with legacy systems or homeowners updating electrical components. This breaker gives you a modern level of protection in places where options can be limited.