Eaton QA-0833-S Switch, 800A, 3-Pole, 480V

The Eaton QA-0833-S switch is built for the rigorous demands of industrial electrical service, maintenance, and replacement projects. Designed to deliver dependable isolation and control for 3-phase power, this unit excels in environments where uptime and safety are non-negotiable. With its high-current capability and straightforward 3-pole configuration, it’s a practical, long-lasting solution for demanding distribution systems.

Specifications

• Manufacturer: Eaton
• Part Number: QA-0833-S
• Product Type: Switch
• Amperage: 800 A
• Poles: 3
• Voltage: 480 V

Why this switch stands out

The QA-0833-S isn’t just a component—it’s a strategic reliability tool for your electrical distribution. Its 800 A rating provides robust capacity for main disconnects and feeder isolation in high-load, three-phase systems. The three-pole design ensures complete phase isolation, offering safer maintenance windows and clearer fault diagnostics in complex motor and line feeders.

Ideal use cases

• Industrial service changes and maintenance on 480V, three-phase circuits
• Equipment replacement projects where reliable isolation is required
• Electrical system upgrades and panel replacements in manufacturing, processing, and facilities environments

Compatibility and installation guidance

To ensure a perfect fit, verify compatibility by the part number QA-0833-S and align it with your specific application requirements. If you need help matching this part number to your equipment or confirming suitability for your installation, reach out—we’ll assist with compatibility checks to help you avoid downtime and mismatches.

Practical considerations and best practices

• Confirm that your system operates within the 480 V rating and that wiring, enclosure, and mounting configurations support a high-current, 3-pole switch.
• Plan maintenance and replacement activities around safe isolation procedures to maximize uptime and minimize risk to personnel.
• Document the part number QA-0833-S in your asset registry to simplify future service, stocking, and cross-referencing with Eaton support.

Why choose Eaton

• Reputable, field-proven engineering designed for demanding industrial environments
• Clear part-number-based compatibility reduces guesswork during procurement
• Focus on reliability and long-term performance to support critical manufacturing and service operations