Mersen FHC12 - Fused Disconnect Switch

Introducing the Mersen FHC12 Fused Disconnect Switch, a purpose-built solution for safe electrical isolation in demanding industrial and commercial environments. Designed to withstand daily operation, it ensures reliable disconnection under load while supporting proper lockout/tagout procedures—critical for maintenance safety and compliance.

• Integrated fuse protection delivers overcurrent protection as part of the disconnect assembly, safeguarding downstream equipment and wiring without needing additional components.
• Positive isolation under load capability means circuits can be safely disconnected even when current is flowing, reducing risk during maintenance and servicing.
• Durable, industrial-grade construction built to perform in busy electrical rooms and energized environments, ensuring long-term reliability with minimal downtime.
• Lockout/Tagout compatibility supports standard safety protocols; the switch can be easily locked in the open position to prevent accidental energization during service windows.
• Versatile installation suitable for panel enclosures and distribution boards across manufacturing plants, warehouses, and commercial facilities.

Practical impact: For motors, conveyors, pumps, and large control panels, the Mersen FHC12 provides a single, dependable device that both disconnects power and protects the circuit, helping to limit fault propagation and streamline preventive maintenance.

Who benefits: Electrical engineers, facilities managers, OEMs, and service technicians seeking a reliable, compliant isolation solution that minimizes downtime and enhances safety during routine maintenance or emergency shutdowns.

Compared with unfused disconnects, the FHC12 adds built-in fault-current protection and simplifies panel design by reducing the need for separate protective components. Its consistent performance under load translates to fewer unexpected trips and more predictable operation during critical maintenance cycles.

Maintenance and safety tips: keep the device accessible for lockout/tagout, monitor fuse status during regular inspections, and replace fuses per your safety procedures. Always follow local electrical codes and Mersen’s installation and energization guidelines.

Upgrade your electrical isolation strategy with the Mersen FHC12 fused disconnect switch—engineered for reliability, safety, and ease of maintenance in demanding environments.