Siemens HF362

Siemens HF362 Heavy‑Duty Fusible Safety Disconnect Switch

The Siemens HF362 is a heavy‑duty fusible safety disconnect switch engineered to provide dependable power isolation and circuit protection in industrial electrical systems. Designed for use in factories, commercial buildings, and machinery panels, this robust 60-amp, 3‑pole disconnect switch delivers safety, performance, and durability when you need safe power control and reliable service.

Power Handling and Protection

Rated for 60 amps with a 600 VAC service voltage, the HF362 is built to handle high‑demand electrical loads in three‑phase power applications. Its fusible design supports Class H, J, K, and R time‑delay fuses, allowing flexible protection coordination based on system needs. With appropriate fuses installed, this switch can handle motors up to approximately 50 horsepower at 600 VAC — making it a strong choice for industrial motor disconnects and power-isolation points.

Rugged Construction for Industrial Use

This switch features a Type 1 NEMA indoor enclosure made from painted steel, providing mechanical strength and reliable service life in standard industrial settings. The single‑throw, quick‑make/quick‑break mechanism ensures positive contact action and dependable isolation performance. A substantial red handle and visible blade design offer easy ON/OFF indication and improved safety during operation and maintenance.

Designed for Easy Installation

The HF362 safety switch's enclosure includes 2–3 mounting holes, making installation on control panels, disconnect cabinets, or distribution panels straightforward. With a typical ambient operating temperature range of −20 °C to +120 °C, this switch maintains performance across a wide range of industrial indoor environments.

Enhanced Safety and Compliance

Certified to meet UL standards for heavy‑duty safety switches, the HF362 ensures compliance with electrical safety regulations and delivers peace of mind for facility engineers and electricians. Its robust interrupting capacity, when paired with proper fusing, helps protect against electrical faults and short‑circuit conditions.

Why Choose MRO Electric

At MRO Electric, the Siemens HF362 is backed by a 2‑year warranty, fast shipping, and knowledgeable support from industrial automation experts. Whether you're replacing an existing disconnect switch or upgrading your power distribution equipment, MRO Electric ensures you get quality parts and responsive service to keep your operations running safely and efficiently.

Frequently Asked Questions (FAQs)

What is the Siemens HF362 used for?
It’s a heavy‑duty fusible safety disconnect switch for power isolation and circuit protection in industrial electrical systems.

What are the voltage and current ratings?
Rated for 60 A and 600 VAC service voltage.

How many poles does the HF362 have?
It’s a 3‑pole (3P), 3‑wire disconnect switch.

What types of fuses can be used?
Class H, J, K, and R time‑delay fuses are compatible.

What enclosure type does it have?
NEMA 1 indoor-rated painted steel enclosure.

What applications is it best for?
Power isolation at motor disconnects, safety shut‑offs, and industrial control circuits.

Does it include a visible blade?
Yes, it typically includes a visible blade for a clear ON/OFF indication.

What is the mechanical life?
Approximately 10,000 operations are typical.

Is it UL certified?
Yes — it meets UL safety switch standards.

What warranty does MRO Electric provide?
MRO Electric offers a 2‑year warranty for the HF362.

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 HF362

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 HF362, 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 HF362 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.