Siemens FK363 - 100A, 600V, 3-Pole, Fused Disconnect Switch

The Siemens FK363 is a high-performance Fused Disconnect Switch engineered for demanding industrial and commercial environments. With a 3‑pole configuration, it delivers dependable electrical isolation and protection, helping teams lock out and tag out safely during maintenance while ensuring a clean disconnection under load. Built to endure daily use in challenging settings, the FK363 combines rugged reliability with precise performance for longer, trouble-free service life.

Why the FK363 stands out

• Three-pole fused design provides comprehensive protection across all conductors, helping limit fault propagation and simplify maintenance.
• 100 A at 600 V rating supports a wide range of commercial and industrial circuits, from feeder lines to motor controls.
• Lockout/tagout compatibility specifically designed to support safe maintenance procedures, reducing downtime and improving on-site safety compliance.
• Disconnection under load capability offers reliable isolation even when circuits are energized, helping technicians work with confidence and minimize risk.
• Durable, industrial-grade construction built to withstand the rigors of daily operation in demanding environments, delivering long-term durability and predictable performance.

Ideal applications and use cases

• Industrial control panels and switchgear where safe, certified isolation is required before servicing equipment.
• Motor control centers and feeder circuits that demand rapid, reliable disconnection to protect personnel and equipment.
• Commercial installations needing a robust, code-compliant disconnect switch for power distribution and safety compliance.
• Maintenance operations that rely on lockout/tagout procedures to ensure a secure work environment.

What this means for your operation

Choosing the FK363 translates to clearer, safer maintenance workflows and reduced downtime. The robust fusion of protection and isolating capability helps prevent accidental energization, preserves equipment integrity, and supports compliant safety practices on the shop floor or in the field. With Siemens reliability backing it, this fused disconnect switch becomes a trusted backbone for critical power distribution tasks.

Technical specifications

• Amperage Rating: 100 A
• Voltage Rating: 600 V
• Number of Poles: 3-Pole
• Product Type: Fused Disconnect Switch
• Brand: Siemens
• Model: FK363

Engineered for precision, safety, and durability, the Siemens FK363 3‑pole fused disconnect switch is a dependable choice for reliable electrical isolation across a wide range of industrial and commercial installations.