Zinsco | R3850 | Circuit Breaker | 50A | 2-Pole | 240V

Meet the Zinsco R3850 circuit breaker—a precise, purpose-built protector for 240V two-pole circuits. Engineered for maintenance, retrofit, and replacement in compatible Zinsco panels, this 50A unit delivers dependable interruption when protection is needed most. When exact specifications matter, the R3850 is engineered to meet your panel’s requirements with clarity and traceability.

Key specifications

• Amperage: 50A
• Poles: 2-Pole
• Voltage: 240V
• Part number: R3850
• Compatibility note: Confirm fit and ratings before ordering. Part number is the best reference for compatibility.

Ideal use cases

• Maintenance on existing Zinsco panels that require a 50A, 2-pole, 240V breaker to restore proper protection.
• Retrofit projects where older components need a precise match to current panel labeling and electrical specs.
• Replacement scenarios for failed or tripped 50A 240V breakers in compatible Zinsco installations.

Why this matters for your electrical system

The two-pole design ensures protection across both hot legs of a 240V circuit, providing coordinated shutoff to help prevent overloads and short circuits. With the Zinsco R3850, you get a clear, traceable part number that simplifies maintenance records and future replacements, reducing guesswork when servicing your panel.

Installation and safety tips

• Power off the main and verify the absence of voltage before handling any breakers.
• Verify panel compatibility by matching the R3850 part number and the panel’s labeling for 50A, 2-pole, 240V devices.
• Follow local electrical codes and use appropriate personal protective equipment.
• If you’re unsure about fit or installation, consult a licensed electrician to ensure safe, code-compliant work.

Why choose the Zinsco R3850

• Direct compatibility reference: The R3850 part number is the best guide for ensuring a proper fit in panels that require this specification.
• Spec-driven replacement: Precisely matches 50A, 2-pole, 240V configurations to maintain intended circuit protection.
• Reliable, project-ready solution: Designed for maintenance, retrofit, and replacement workflows where exact specs matter, reducing guesswork and downtime.

Enhance your panel’s reliability with a part that speaks to exact specifications. The Zinsco R3850 50A 2-Pole 240V circuit breaker is a targeted, dependable choice for precise replacements and responsible electrical upkeep.