Square D 9999R43 Disconnect Switch, 60A

The Square D 9999R43 Disconnect Switch is a purpose-built 60 A service disconnect designed for demanding industrial environments. Built to support electrical service, routine maintenance, and replacement projects, this switch provides a reliable, straightforward means to safely isolate power when it matters most. Use the part number 9999R43 to confirm compatibility with your specific application and equipment setup.

Key specifications

• Manufacturer: Square D
• Product Type: Disconnect Switch
• Amperage: 60 A
• Part Number: 9999R43

Why this disconnect switch stands out

• Reliable industrial performance: Purpose-built for continuous service in maintenance windows, outages, and replacement work where dependable isolation is essential.
• Trusted brand, clear compatibility: As a Square D device, it aligns with established electrical standards and equipment ecosystems. Verify fit using the exact part number 9999R43 and your application requirements.
• Simplified compatibility checks: The part-number-based approach lets you quickly confirm whether this switch integrates with your panels, enclosures, and downstream circuitry before purchasing.

Ideal use cases

• Service disconnects for industrial electrical panels and equipment during new installations or upgrades
• Scheduled maintenance outages where a clear, secure isolation point is required
• Replacement projects that upgrade legacy disconnects to a reliable 60 A device from Square D

Practical considerations

Before ordering, confirm that the 9999R43 model matches your equipment and that the 60 A rating aligns with your system’s electrical requirements. If you’re unsure about compatibility, plan for the exact part number and the intended application to ensure a seamless fit.

If you need expert help validating compatibility or selecting the right disconnect for your installation, our team is ready to assist. Reach out with the part number 9999R43 and details about your application, and we’ll guide you to a precise, reliable match.