ABB OT40FT3 - 40A, 750V, 3-Pole, Disconnect Switch

The ABB OT40FT3 is a high-performance, three-pole disconnect switch engineered for safe electrical isolation in demanding industrial and commercial environments. With a 40A rating and a 750V maximum, it provides dependable disconnection across three phases, making maintenance and service work safer and more efficient.

Key specifications

• Amperage rating: 40A
• Voltage rating: 750V
• Poles: 3-Pole
• Product type: Disconnect Switch
• Brand: ABB
• Model: OT40FT3

Why the OT40FT3 stands out

• Complete three-phase isolation with a 3-pole design that ensures simultaneous opening of all conductors, reducing the risk of partial energization during maintenance.
• Safe lockout/tagout compatibility built-in support for lockout/tagout procedures, elevating worker safety during servicing and routine maintenance.
• Reliable disconnection under load engineered to interrupt power cleanly and predictably when circuits are live, supporting quick, safe restarts after work is complete.
• Durable, long-term performance designed for demanding industrial and commercial use, offering dependable operation over years of service in active environments.

Ideal use cases

• Maintenance and servicing of three-phase motors, conveyors, pumps, and other industrial equipment.
• Power isolation in service panels, switchgear, and control rooms where reliable, code-aligned disconnects are essential.
• Repair workflows in manufacturing lines where quick, safe de-energization minimizes downtime and risk.

Practical considerations and setup tips

• Plan installations in areas requiring regular isolation for safety procedures; the OT40FT3’s 750V rating covers common industrial power environments.
• Pair with compatible lockout devices to maximize protection during any maintenance window.
• Regularly inspect terminals and mounting integrity to uphold consistent performance over time.

For projects demanding trustworthy electrical isolation, the ABB OT40FT3 delivers clear advantages: a robust three-pole configuration, strong suitability for lockout/tagout workflows, and dependable performance under load. When you need a reliable disconnect switch that supports safe maintenance and minimizes downtime, this model is a precise, purpose-built choice for industrial and commercial power systems.