Connecticut Electric UBIZ1515 Twin 15-Amp Zinsco R3815 Replacement – Gray

Overview

Meet the Connecticut Electric UBIZ1515, a newly manufactured twin 15-amp circuit breaker designed for Zinsco load centers that accept R-style breakers. This plug-in unit packs two 15-amp circuits into one compact 3/4-inch body, offering a streamlined replacement option when you’re upgrading or expanding electrical circuits in your panel.

Every unit is built to modern standards and carries Intertek ETL Listing to UL 489 for United States and Canadian use. The 10,000 AIC rating provides a robust interruption capacity for common residential loads while maintaining a slim profile that fits in compatible panels without crowding adjacent slots.

Key features

• Newly manufactured by Connecticut Electric, not refurbished or used
• For use in Zinsco circuit breaker panels with R-style breakers
• ETL Listing to UL Standard 489 for US and Canada
• 10,000 AIC interruption rating
• 15/15 Amp, twin 1-pole design in a 3/4" body
• Plug-in type for quick installation and replacement
• May also be branded as Sylvania RC3815

Typical applications

In a Zinsco center, this twin-breaker supports two circuits in a single slot, making it convenient for fixed lighting, receptacles, small motors, attic fans, and related branch circuits up to about 1800 watts total. Always verify local codes before starting work to ensure compliance with electrical standards and panel requirements.

• Fixed lighting circuits
• Branch circuits for wall receptacles
• Small motors (up to ~1/2 hp)
• Attic fans
• Garbage disposals and other twin-branch loads

Note: While this product supports standard residential use, the installer is responsible for confirming compatibility with your specific panel and local code requirements. The product description describes typical applications and is not a guarantee of code compliance.

Why choose Connecticut Electric

Connecticut Electric brings new, tested breakers to Zinsco panels, offering a clean, safe replacement option with clear labeling and a proven listing. The gray finish helps the unit blend with many panel interiors, while the twin design can save space when expanding circuits.