Siemens HF364NR - 200A, 600V, Fusible, Safety Switch

Siemens HF364NR: 200A, 600V Fusible Safety Switch for Powerful, Reliable Isolation

The Siemens HF364NR is a purpose-built fusible safety switch engineered to deliver dependable on/off isolation and precise overcurrent protection in tough industrial and commercial environments. With a 200A rating and 600V capability, this switch provides robust protection for large motors, panelboards, and branch circuits while maintaining a compact footprint that fits tighter electrical rooms and service enclosures.

Key specifications at a glance

• Model: HF364NR
• Amperage: 200A
• Voltage: 600V
• Fused: Fusible

Why choose the HF364NR

• —built by Siemens to withstand demanding industrial and commercial use, ensuring safe, predictable isolation when service or maintenance is required.
• Fused protection for targeted safeguarding—the fusible design provides straightforward, dependable protection for downstream equipment, helping to prevent damage from overcurrents and short circuits.
• Compact, maintainable form—engineered to fit where space is at a premium, while still offering easy access to fuse elements for quick maintenance and reduced downtime.
• Versatile deployment—ideally suited for motor disconnects, panelboards, and branch circuit protections, making it a practical choice in both new installations and retrofits.
• Industry-ready reliability—backed by Siemens engineering and a global service network, providing confidence in long-term performance and parts availability.

Ideal use cases

• Motor disconnects in manufacturing lines, pumps, conveyors, or HVAC systems where a reliable, easily isolatable power switch is essential.
• Protection point for panelboards feeding critical electrical loads, ensuring rapid disconnection during fault conditions.
• Branch circuit protection in compact electrical rooms or cabinets where space and maintainability matter.
• Maintenance shutdowns and service work where a clear, Fusible safety switch path minimizes risk and downtime.

Practical considerations and benefits

Choosing a fusible safety switch like the HF364NR can simplify protection strategy in your electrical distribution. The 200A/600V rating covers a wide range of medium-duty applications, while the fusible design provides a straightforward protection mechanism that pairs well with standard protective devices in your system. Its compact design reduces enclosure footprint without sacrificing performance, and the design emphasis on ease of fuse access translates to faster maintenance windows and less interruption to production lines.

What this means for you

• Enhanced safety through reliable isolation during maintenance or fault conditions.
• Clear protection for motors, feeders, and downstream gear with a straightforward, maintainable solution.
• Flexible deployment in space-constrained environments, enabling smarter electrical room layouts.
• Continued support and service availability from Siemens, ensuring longevity and parts continuity.

With the Siemens HF364NR, you get a purpose-built, fusible safety switch that aligns with practical industrial needs—delivering dependable protection, easy maintenance, and a compact footprint that helps optimize your electrical infrastructure.