Zinsco | UBIZ220B | Circuit Breaker | 20A | 2-Pole | 240V | Bolt-On

Meet the Zinsco UBIZ220B, a purpose-built circuit breaker designed for precise spec matching in maintenance, retrofit, and replacement projects. This 20A, 2-Pole, 240V bolt-on breaker is built to slot into compatible panels where the exact part reference matters most—the UBIZ220B designation is your strongest compatibility signal.

• Amperage: 20A
• Poles: 2-Pole
• Voltage: 240V
• Mounting: Bolt-On
• Reference: Part number UBIZ220B

Why choose the Zinsco UBIZ220B for your electrical panel

When your project requires a dependable 240V two-pole breaker with a secure bolt-on connection, UBIZ220B delivers. The bolt-on design provides a robust connection that helps maintain a reliable circuit path for your 240V load—from dedicated air conditioning circuits to large power tools and appliances. By matching the exact part number, you minimize guesswork in compatibility and reduce the risk of fit or rating mismatches during installation.

Ideal use scenarios

• Replacement of a failed 2-pole 240V breaker in panels configured for bolt-on units
• Retrofit of a dedicated 20A 240V circuit for an appliance or tool setup
• Maintenance of aging electrical systems where maintaining exact specs is critical

Important compatibility note

Always confirm fit and ratings before ordering. The part number UBIZ220B is the best reference for compatibility with your panel. If your panel requires bolt-on, 2-pole, 240V functionality at 20A, this breaker is tailored to meet those requirements.

Practical considerations and safety tips

Electrical work carries risk. Ensure power is fully shut off to the affected circuit and follow local codes. For in-field replacements, consider having a licensed electrician perform the installation to ensure a safe, code-compliant connection and proper seating in the bus bars.