Square D | SD9442 | Fusible Bus Plug | 60A | 3-Pole | 480V

The Square D SD9442 Fusible Bus Plug is built for maintenance, retrofit, and replacement tasks where exact specifications matter. Designed to slot into compatible Square D switchgear, this 60A, 3-pole, 480V fusible bus plug helps you restore protected power quickly while keeping system integrity intact.

• Amperage: 60A
• Poles: 3-Pole
• Voltage: 480V
• Type: Fusible bus plug
• Part reference: SD9442 — use this number to verify compatibility with your equipment
• Compatibility reminder: Confirm fit and ratings before ordering to ensure a proper match with your Square D panels and accessories

Why this matters for your operation

The SD9442 is more than a component—it’s a deliberate solution for dependable power protection and streamlined maintenance. A fusible bus plug like this minimizes downtime by providing a straightforward, drop-in replacement that aligns with your existing 480V distribution setup. Its 3-pole configuration ensures balanced power interruption across phases, supporting safer service interruptions and easier fault isolation during troubleshooting.

Ideal use scenarios

• Routine maintenance where a precise 60A, 3-pole, 480V plug is required to match your panel’s protection scheme.
• Retrofits to modernize legacy gear without overhauling the entire bus assembly.
• Replacement of a worn or damaged fusible plug to restore protective functionality quickly.
• Spare-part strategy for field crews, reducing lead times when a plug needs replacement in the middle of a project.

Practical guidance to maximize performance

• Before purchasing, reference the part number SD9442 against your equipment datasheet to confirm full compatibility with your Square D panels and fusing scheme.
• Engage qualified electrical personnel during installation. Fusible bus plugs involve live-system considerations; ensure proper de-energization and lockout/tagout procedures.
• Keep a compatible spare on hand for rapid maintenance cycles, especially in critical systems where uptime is essential.

In short, the SD9442 Fusible Bus Plug is a targeted, reliability-driven choice for technicians who demand exact specs, straightforward compatibility, and dependable protection in 480V systems. For projects requiring precise 60A, 3-Pole, 480V functionality within Square D environments, this part provides a clear path to faster maintenance, safer outages, and durable performance.