Siemens HNF364 - 200A, 600V, 3-Pole, Safety Switch

Meet the Siemens HNF364 Safety Switch—the robust 3-pole disconnect built for industrial and commercial environments where safe, reliable electrical isolation is non-negotiable.

With a 200A amperage rating and 600V maximum voltage, this safety switch handles three-phase circuits with ease, delivering clean, dependable disconnection under load when maintenance or lockout/tagout procedures require it.

What makes it unique

• Three-pole design provides true phase isolation, reducing risk when servicing feeders and motors.
• Optimized for lockout/tagout workflows to help technicians secure circuits during maintenance and prevent accidental re-energization.
• Built for durability to deliver long-term reliability in demanding industrial environments.

Ideal use cases

Industries and applications that benefit from a dedicated safety switch include large motors, manufacturing lines, distribution panels, HVAC and cooling systems, pumps, and service enclosures. When safety and quick, assured isolation matter most, the HNF364 fits right in.

Key specifications

• Amperage Rating: 200A
• Voltage Rating: 600V
• Number of Poles: 3-Pole
• Product Type: Safety Switch
• Brand: Siemens
• Model: HNF364

Practical deployment tips

Integrate the HNF364 into existing three-phase distribution or motor control setups to enable immediate, safe isolation during service windows. Pair it with a compliant lockout/tagout program, ensure wiring and enclosure approvals align with local electrical codes, and maintain clear labeling for quick identification during maintenance. For best results, use alongside compatible Siemens disconnect gear and protective devices to streamline testing and restart procedures.