ZINSCO UBIZ-0220 U 20A 220V 1P

Description:

The Zinsco UBIZ-0220 U is a replacement molded case circuit breaker designed for Zinsco load centers, providing overcurrent protection for electrical circuits. It interrupts power during overload or short-circuit conditions to protect wiring and connected equipment. This breaker is part of the UBIZ aftermarket series (by Connecticut Electric), built to replace obsolete Zinsco breakers in legacy panels.

Applications:

The Zinsco UBIZ-0220 breaker is used in residential and light commercial panels to protect branch circuits supplying general loads such as lighting, outlets, and small appliances. It is specifically designed for compatibility with Zinsco/Sylvania panels and is commonly used when maintaining or repairing older electrical systems.

Technical Specifications:

• Manufacturer Part Number (MPN): UBIZ-0220
• Product Type: Molded Case Circuit Breaker
• Poles: 2-pole (despite some listings showing “1P,” this model is typically 2-pole)
• Rated Current: 20 Amps
• Rated Voltage: 120/240 V AC
• Mounting Type: Plug-in (Zinsco compatible)
• Breaker Type: Thermal-magnetic
• Interrupt Rating: ~10 kAIC (typical replacement spec)
• Phase: Single-phase
• Application: Branch circuit protection in Zinsco load centers

Common Replacements:

• Connecticut Electric UBIZ20 (single-pole alternative variant)
• Zinsco RC38-20 breaker (original OEM style)
• Full panel upgrade (Siemens, Eaton, Square D) for long-term reliability