Square D 9422TF3 - 200A, Fused Disconnect Switch

The Square D 9422TF3 is a 200A fused disconnect switch crafted for demanding industrial and commercial environments where safe electrical isolation is non-negotiable. Designed to provide dependable disconnection under load, it supports strict lockout/tagout practices to protect maintenance personnel and keep critical equipment safeguarded during service and repairs.

Why this fused disconnect switch matters

• 200 Amp fused isolation: Deliberate protection that interrupts fault currents and safeguards downstream equipment, reducing the risk of damage during faults or maintenance.
• Lockout/Tagout readiness: Built to integrate with standard safety procedures, helping teams comply with safety regulations and perform energized work with confidence.
• Disconnection under load: Engineered to safely interrupt power even when circuits are energized, minimizing downtime and exposure for personnel.
• Rugged, durable construction: Designed for long-term reliability in industrial service entrances, switchgear assemblies, and commercial electrical rooms.
• Brand-backed reliability: Part of the Square D lineage, offering compatibility with common Square D panels and maintenance components for streamlined installation and service.

Ideal applications and use cases

• Service disconnects for feeders and large electrical loads in manufacturing plants, warehouses, and facilities with heavy equipment.
• Maintenance-ready isolation points in commercial buildings where safe de-energization is required before work begins.
• Motor control circuits and feed-through applications where fuse protection helps limit fault energy and protect downstream devices.

Key specifications at a glance

• Amperage rating: 200 A
• Product type: Fused Disconnect Switch
• Brand: Square D
• Model: 9422TF3

Practical tips for installation and maintenance

• Plan for regular fuse inventory and timely replacement to minimize downtime during maintenance windows.
• Verify compatibility with your Square D panels and supporting fuse assemblies to ensure a seamless fit.
• Integrate the switch into your safety program with clear lockout/tagout procedures and proper labeling for all maintenance personnel.