Zinsco RC38-50 - 38-50A, 2-Pole, Circuit Breaker

Meet the Zinsco RC38-50, a rugged 2-pole circuit breaker engineered to deliver dependable overcurrent protection in demanding electrical environments. With a current rating of 38-50A and a two-pole configuration, this unit is built for flexible integration into panelboards, switchboards, and control panels. It’s rated for 3850A, providing robust fault interruption to help safeguard downstream equipment and personnel in critical operations.

Why choose the Zinsco RC38-50

• Two-pole design supports simultaneous protection of paired conductors, ideal for multi-wire circuits and balanced load scenarios.
• 38–50A current range accommodates a broad spectrum of commercial, industrial, and OEM applications, enabling precise protection for your loads.
• High interrupt capability up to 3850A, helping to rapidly clear faults and minimize damage in distribution paths.
• Versatile mounting locations compatible with panelboards, switchboards, and motor control centers, streamlining upgrades and installations.
• Reliability across environments designed for consistent performance in industrial settings, commercial electrical rooms, and OEM equipment enclosures.

Ideal use cases

• Industrial facilities needing robust protection for motor control centers and large distribution panels
• Commercial buildings requiring dependable overcurrent protection for essential electrical rooms and service panels
• OEM applications where a compact, two-pole breaker can be integrated into custom enclosures and control systems

What problems it solves

• Prevents damage from overloads and short circuits by interrupting fault currents quickly
• Helps maintain safe operating conditions in distribution panels and control panels
• Simplifies system upgrades by providing a compatible, reliable option within the Zinsco family

Practical guidance for installation and use

• Verify that the RC38-50’s current rating aligns with the load requirements and protective device coordination in your system
• Install within compatible panelboards, switchboards, or motor control centers designed for 2-pole protection
• Follow manufacturer torque and installation specifications for secure, reliable performance
• Consider future expansion needs—the 38–50A range offers flexibility for evolving load profiles

Designed for reliability and easy integration, the Zinsco RC38-50 2-Pole Circuit Breaker delivers precise, durable overcurrent protection where it matters most—in distribution panels, motor control centers, and OEM electrical assemblies. If you need a trusted, two-pole solution that fits a range of industrial and commercial applications, this unit helps you safeguard equipment, reduce downtime, and maintain safe, compliant operation.