Siemens HF361

Siemens HF361 Heavy‑Duty Safety Disconnect Switch

The Siemens HF361 is a heavy‑duty safety disconnect switch from the trusted VBII Series, engineered for robust industrial power control and safety applications. This fusible safety switch is designed for reliable operation in demanding environments where safe isolation and maintenance of electrical systems is essential. Whether used in power distribution, motor control, or industrial safety circuits, the HF361 delivers consistent performance and long‑lasting durability.

Reliable Power Isolation

Built with a 30 amp rating and capable of handling 240–600 VAC and 250 VDC, the HF361 is suitable for a wide range of low‑voltage power systems. It supports Class H, J, K, and R time‑delay fuses, allowing users to customize protection levels based on application needs. With a 200,000 AIC interrupting rating using R/J fuses, this switch provides high fault‑current capability for safe and dependable isolation.

Heavy‑Duty Construction for Industrial Use

Designed for indoor industrial environments, the HF361 features a NEMA 1 steel enclosure that protects the switch mechanism from dust and contact during operation. Its quick‑make, quick‑break visible blade design enhances operator safety by providing a clear visual indication of switch position. The robust housing and rugged build ensure reliable performance in power distribution panels, motor rooms, and safety lock‑out/tag‑out circuits.

Easy Installation and Maintenance

The HF361’s enclosure comes with convenient 2–3 point mounting holes for straightforward installation in switchboards and control cabinets. A highly visible red handle provides intuitive ON/OFF indication, and the unit accommodates common time‑delay fuse classes for flexible coordination with protective devices. With an operating range from approximately -20 °C to +120 °C, this switch meets the performance requirements of typical industrial ambient conditions.

Trusted Certifications and Safety

The HF361 meets key industry standards, including UL98 and UL50 certifications and NEMA KS‑1 compliance, ensuring it adheres to recognized safety and performance benchmarks. This makes it suitable for use in manufacturing facilities, commercial buildings, and industrial installations where reliable power disconnect functionality is critical.

Why Choose MRO Electric

At MRO Electric, the Siemens HF361 is backed by a 2‑year warranty, fast availability, and expert support. Whether replacing an existing safety switch or upgrading power-isolation components, you can count on MRO Electric for quality industrial parts and responsive service to help keep your operations running safely and efficiently.

Frequently Asked Questions (FAQs)

What type of switch is the Siemens HF361?
It’s a heavy‑duty, fusible safety disconnect switch designed for industrial power isolation.

What voltage ratings does it support?
It supports 240 VAC, 480 VAC, 600 VAC, and 250 VDC.

How many poles does this switch have?
It is a 3‑pole switch.

What amperage is it rated for?
This model is rated for 30 amps.

What fuse types can it use?
Compatible with Class H, J, K, and R time‑delay fuses.

What is the interrupting rating?
Up to 200,000 AIC with Class R or J fuses.

Where is this switch typically installed?
In industrial panels, motor control centers, and safety lock‑out circuits.

What enclosure type does it have?
NEMA 1 for indoor applications.

Does it have visible blade operation?
Yes — a visible blade quick‑break design enhances safety.

What warranty does MRO Electric offer?
A 2‑year MRO Electric warranty for dependable coverage.

Siemens products are manufactured in Germany and designed for Use in Automotive, aerospace, power generation, and electronics. They come with a 2-year MRO warranty from MRO Electric. We also carry Switches from other manufacturers such as FANUC and Yaskawa.

Contact Us Today For More Information About the HF361

Check out the rest of our Siemens product line. Whether it's using our online instant quote feature, giving us a call at (800) 691-8511, or emailing us at sales@mroelectric.com, we strive for customer satisfaction first. This means lower prices and better service for you. For more products like HF361, take a look at more from our Switches line. If your current unit has gone bad, take advantage of our Core Exchange program for the most inexpensive route. You can learn more about this program on our FAQ page here. We offer a repair service on all of our HF361 products that keep your downtime to a minimum. To stay up to date on manufacturer news, as well as access any of our datasheets, manuals, or other documentation, we suggest you take a look at our blog.