Eaton QA-0833-B Switch, 800A, 480V

Eaton QA-0833-B Switch is an industrial-grade switching solution designed for demanding electrical service, maintenance, and replacement projects. With a robust 800 A current rating and a 480 V operating range, this switch is built to handle high-load systems with dependable performance.

Before you install, confirm compatibility by the part number: QA-0833-B. This ensures the switch fits your enclosure, wiring configuration, and control scheme. If you’re unsure about fit or application, reach out and we’ll help verify compatibility based on your equipment documentation.

Key specifications at a glance

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

What makes this switch a smart choice

• High-current capacity for demanding industrial circuits, enabling safe and reliable switching of large loads.
• Voltage rating tailored for modern industrial distribution and motor control environments.
• Part-number verified compatibility reduces the risk of mismatched replacements, saving downtime during service or upgrade projects.
• Backed by Eaton’s engineering lineage, offering consistent performance and long-term availability for maintenance planning.

Ideal use cases

This switch is well-suited for facilities performing electrical service, maintenance, and replacement work in sectors such as manufacturing, warehousing, metal fabrication, and utility-ready spaces. Use it when you need:

• Reliable isolation and control of high-current equipment
• A replacement switch that matches existing Eaton-based systems
• A vendor-backed option with clear part-number traceability for service records

Practical installation and care tips

• Ensure installation by a qualified electrician following local codes and OEM guidelines.
• Verify enclosure compatibility and conductor sizing for 480 V operation.
• Document the part number QA-0833-B in your maintenance logs to simplify future replacements and audits.
• Store spare switches in appropriate conditions to retain performance characteristics.

Need help matching a part number or confirming compatibility? Send us a message—our team can assist with fit checks and application requirements based on your equipment, wiring, and control scheme.