Square D 9422ATEF101 - 100A, Fused Disconnect Switch

Meet the Square D 9422ATEF101, a 100A fused disconnect switch engineered for the most demanding industrial and commercial environments. Built to deliver safe electrical isolation and dependable disconnection under load, it supports lockout/tagout procedures to keep maintenance teams protected and compliant.

Why the 9422ATEF101 stands out

• 100A capacity provides a robust disconnect point for feeders and critical circuits, enabling quick and safe isolation.
• Integrated fused path simplifies protection and disconnection in a single, reliable device.
• Lockout/tagout (LOTO) ready design supports safe maintenance workflows and compliance with safety protocols.
• Rugged, durable construction built for long-term performance in busy electrical rooms, switchgear areas, and industrial spaces.
• Clear, straightforward disconnection under load minimizes downtime and supports efficient service operations.

Ideal applications and use cases

Designed for facilities that require a reliable main or branch disconnect, the Square D 9422ATEF101 excels in manufacturing lines, commercial electrical rooms, and service entrances where safety and uptime are essential. Use it to provide a dedicated isolation point for maintenance, protect critical circuits, and simplify compliance with lockout/tagout procedures.

Practical scenarios

• Isolate a downstream circuit for scheduled maintenance without affecting upstream systems.
• Establish a compliant lockout/tagout point to keep workers safe during servicing of energized equipment.
• Serve as a dependable feeder disconnect, reducing coordination complexity during outages or system upgrades.

Technical snapshot

• Amperage Rating: 100A
• Product Type: Fused Disconnect Switch
• Brand: Square D
• Model: 9422ATEF101

Choosing the Square D 9422ATEF101 means adopting a proven solution for safe, reliable electrical isolation with a design that supports maintenance safety and system uptime. Its fused disconnect configuration delivers protection and control in one compact package, making it a practical, durable choice for mid- to high-demand circuits in industrial and commercial settings.