Description
Product Overview
The UBIF250N is a 50-amp, 2-pole, 240VAC circuit breaker manufactured by Connecticut Electric as a direct replacement for Federal Pacific Electric Stab-Lok panels. Designed for plug-in mounting, it features a compact 2″ thick body and grey finish. Constructed with copper for durability and heat resistance, it meets UL Standard 489 and Intertek ETL listing for safety in North America. With a 10-year warranty, it ensures long-term reliability in residential and light commercial applications.
Usage
This breaker is ideal for homeowners, electricians, and contractors upgrading or repairing older Stab-Lok panels. It fits standard NA250 panels and is commonly used in homes with 240VAC appliances such as dryers, HVAC systems, and electric ranges. Its plug-in design simplifies installation without requiring panel modifications. Suitable for both DIY enthusiasts and professional electricians, it provides a safe, code-compliant solution for circuit protection.

Why Choose Us
We offer genuine Connecticut Electric parts with verified UL and ETL certifications. Each breaker is manufactured to meet strict safety and performance standards, ensuring compatibility with original equipment. Our 10-year warranty reflects confidence in product longevity and quality. We provide accurate product specifications and reliable customer support for installation questions or technical issues.
Key Features
- UL and ETL certified for safety and compliance in North America
- 50-amp rating with 240VAC compatibility for high-load circuits
- Plug-in mount design simplifies installation without panel modifications
- Copper construction ensures durability and heat resistance over time
- 10-year warranty and manufacturer support for long-term reliability
FAQ
Is this breaker compatible with Federal Pacific Stab-Lok panels?
Yes, the UBIF250N is specifically designed as a direct replacement for Federal Pacific Stab-Lok panels. It fits standard NA250 panels and matches the mounting dimensions and electrical specifications.
What voltage does this breaker support?
This breaker supports 240VAC, making it suitable for high-load appliances such as dryers, HVAC systems, and electric ranges. It is rated for 50 amps and is designed for 2-pole applications.
Does it come with a warranty?
Yes, it comes with a 10-year warranty from Connecticut Electric, ensuring long-term reliability and performance. The warranty covers defects in materials and workmanship under normal use.
Can I install this breaker myself?
Yes, with basic electrical knowledge and tools, you can install this breaker. Its plug-in mount design simplifies installation, but always follow local electrical codes and safety practices. If unsure, consult a licensed electrician.
What materials is it made of?
The breaker is constructed with copper for durability and heat resistance. The housing is molded for safety and insulation, meeting UL Standard 489 and Intertek ETL listing requirements.





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