Siemens HF361R 30A 3P 600V Safety Switch, NEMA 3R, Fusible | AmpState

The Siemens HF361R is a rugged, fusible safety switch designed to serve as a reliable equipment disconnect and isolation point at the load end of your power system. With a 30 A, 3-pole configuration and a 600 V rating, this NEMA 3R unit is built to stand up to demanding industrial environments while keeping your maintenance and retrofit work smooth and predictable.

Why the HF361R stands out

• Fusible design for targeted protection — this safety switch accepts fusible elements to tailor protection to your specific circuit and fault-clearing needs, helping you manage downtime and damage more effectively.
• Three-phase simplicity — 3-pole design ensures clean, balanced disconnections for three-phase equipment, reducing the risk of arcing and enabling safer service work.
• Outdoor-ready, weather-resilient enclosure — rated for NEMA 3R, giving you dependable operation in outdoor or semi-exposed environments when installed correctly.
• Consistency for retrofits — ideal for retrofit projects where keeping the same part number simplifies spares, documentation, and maintenance planning.
• Easy procurement through AmpState — readily available, with expert support to confirm compatibility and fit if you’re matching a part number across a larger system.

Technical specifications at a glance

• Manufacturer: Siemens
• Part number: HF361R
• Amperage: 30 A
• Poles: 3
• Voltage: 600 V
• Enclosure rating: NEMA 3R
• Configuration: Fusible safety switch (equipment disconnect)

Ideal use cases and practical benefits

- Retrofit projects where the existing infrastructure relies on a consistent part number, ensuring minimal changes to wiring diagrams and maintenance schedules.

- Routine maintenance planning for three-phase equipment, providing a clearly defined isolation point that keeps downtime focused and predictable.

- Outdoor or semi-exposed installations that require durable enclosure protection without sacrificing fast, reliable disconnection during service operations.

- Facilities looking to balance protection with customization, using a fusible design to tailor fuse size and coordination to their system requirements.

How this fits into your system and procurement workflow

The HF361R is designed as a practical, dependable disconnect switch for engineers and maintenance teams who value clarity, consistency, and robust protection. Its three-pole, 30 A, 600 V rating covers a wide range of industrial applications, while the NEMA 3R enclosure affords outdoor versatility. If you’re verifying fit or need help confirming compatibility with your existing panels or gear, AmpState offers support to ensure the part integrates smoothly with your setup.