Square D TEF10 - 100A, Disconnect Switch

Meet the Square D TEF10, a purpose-built 100A disconnect switch crafted for industrial and commercial environments where safe electrical isolation is non-negotiable. This unit is designed to support lockout/tagout procedures and to deliver a dependable disconnection under load, helping maintenance teams work safely without sacrificing uptime.

What makes the TEF10 stand out is its focused combination of reliability, safety, and practical durability. It’s built to withstand daily switching in demanding facilities, providing a clear, decisive disconnect when you need it most. With a dedicated emphasis on safe isolation, this disconnect switch reduces the risk of accidental energization during service and testing, giving crews confidence to perform tasks quickly and correctly.

Key benefits

• 100A amperage rating supports a wide range of standard industrial circuits and equipment, delivering reliable current interruption under real-world loads.
• Lockout/tagout readiness designed to integrate with typical safety procedures, helping facilities meet safety policies and regulatory expectations during maintenance.
• Reliable under load engineered to disconnect power cleanly even when circuits are energized, minimizing downtime and increasing field safety during servicing.
• Durable, long-term performance built to endure the rigors of busy commercial and industrial environments, offering dependable operation over years of use.
• Straightforward integration and placement within existing electrical installations, making it a practical choice for upgrades, repairs, or new builds in service environments.

Ideal use cases

• Maintenance and service shutoffs for motors, pumps, and processing lines in manufacturing facilities
• Electrical isolation points in control panels and switchgear for HVAC, water treatment, or centralized plant systems
• Emergency and routine power shutdowns where a clear, reliable disconnect is essential
• Areas requiring strict lockout/tagout compliance to protect personnel during servicing

The TEF10 isn’t just a component—it’s a safety-centric solution that aligns with real-world needs: simple operation, dependable performance, and a design philosophy that prioritizes protection and uptime. Whether you’re upgrading aging infrastructure or installing a new safety interlock in a busy facility, this disconnect switch provides a clear, trustworthy path to safe electrical isolation.

Product details — Square D, TEF10, 100A, Disconnect Switch. Ideal for facilities that value precise control, clear isolation, and durable performance in demanding environments.