3X400A - 400A, 3-Pole, Fused Disconnect Switch

3X400A — a high-performance 400A, 3-Pole Fused Disconnect Switch designed for industrial and commercial environments that demand safe, reliable electrical isolation. Built to support proper lockout/tagout procedures and to deliver dependable disconnection under load, this switch is engineered for long-term durability in demanding settings.

Why the 3X400A stands out

• 400A rating in a three-pole configuration provides robust isolation for three-phase feeders and large loads, helping you protect both equipment and personnel.
• Fused design delivers built-in overcurrent protection, enabling prompt interruption of fault currents and reducing the risk of collateral damage in the event of a fault.
• Lockout/tagout compatibility supports standard safety procedures, making routine maintenance and service work safer and more compliant.
• Reliable disconnection under load ensures that circuits can be safely isolated without the unpredictable behavior that can occur with non-fused disconnects.
• Durable construction is tailored for industrial and commercial environments, delivering enduring performance in challenging conditions.

Applications and use cases

• Service disconnects for large feeders in industrial facilities, warehouses, and manufacturing plants.
• Three-phase isolation points in electrical distribution panels and switchgear during maintenance.
• Primary isolation for motors, conveyors, and other heavy equipment where safe de-energization is critical.

Specifications at a glance

• 400A
• Number of Poles: 3-Pole
• Product Type: Fused Disconnect Switch
• Model: 3X400A

Practical considerations for buyers

Choose the 3X400A when you need a dedicated, heavy-duty isolation solution that combines robust current protection with operational safety. It’s an ideal fit for facilities prioritizing maintenance safety, regulatory compliance, and reliable performance for critical electrical feeders. If you’re upgrading existing infrastructure or specifying new installations, this 3-Pole fused disconnect switch provides a clear path to safer, more efficient electrical isolation.

Invest in the 3X400A today to unlock dependable, safe, and durable electrical isolation for your three-phase systems.