Square D 9999SR2 Disconnect Switch, 60A, 250V

The Square D 9999SR2 Disconnect Switch is engineered to safely isolate electrical circuits in demanding industrial environments. With a sturdy 60 A rating at 250 V, this disconnect switch is purpose-built for service, maintenance, and replacement projects where quick, reliable isolation matters most.

Use the part number 9999SR2 to confirm compatibility with your equipment and control configuration. Verifying fit by part number and application requirements helps ensure you pair this switch with the right enclosure, interlocks, and wiring setup for safe operation.

Key benefits that matter in the field

• Reliable isolation for maintenance: Enables safe lockout/tagout and hands-on servicing without compromising system integrity.
• Clear electrical rating: 60 A at 250 V covers a wide range of industrial feeders and control circuits.
• Brand-aligned compatibility: Designed to integrate smoothly with Square D components and panels, reducing compatibility issues during installs or retrofits.
• Simple compatibility checks: Rely on the part number (9999SR2) and application requirements to confirm fit before purchasing or installation.
• Practical for replacements and upgrades: A solid choice for refreshing aging disconnects or expanding an existing Square D setup.

Ideal use scenarios

Perfect for industrial electrical service work, routine maintenance on motors and transformers, and replacement projects where a reliable, easily operable disconnect is essential. Whether you’re upgrading an aging panel, performing preventive maintenance, or installing a new control scheme, the 9999SR2 offers a straightforward path to safe circuit isolation.

How to verify compatibility

• Confirm the part number: 9999SR2 matches your required disconnect switch model.
• Ensure your system operates at 250 V and requires up to 60 A of current.
• Check enclosure compatibility, mounting method, and any interlocks or accessories in your control setup.
• When in doubt, contact support with your part number and equipment details for a quick compatibility check.

Need help matching a part number or confirming compatibility? Message us and we’ll help.