Siemens HF364J - 200A, 600V, Fused Disconnect Switch

Siemens HF364J 200A, 600V Fused Disconnect Switch is engineered to deliver dependable electrical isolation in demanding industrial and commercial environments. Built to perform under load and endure years of service, this device supports proper lockout/tagout procedures and helps keep maintenance crews safe during line work.

With a robust 200 ampere rating and a 600-volt maximum, the HF364J provides a clear, deliberate disconnect path for feeders, motors, and other energized circuits. Its NEMA 1 enclosure is suited for indoor installations, while the fused design adds a reliable layer of protection, reducing downtime and helping you manage electrical isolation with confidence.

Key benefits include:

• Precise under-load disconnection to isolate circuits quickly when service is required.
• Lockout/tagout compatibility to support safe maintenance procedures and regulatory safety programs.
• Durable, long-term performance for facilities with frequent switching or routine preventive maintenance.
• Seamless integration into existing electrical rooms or control panels thanks to a rugged Siemens build and indoor-rated enclosure.

Specifications at a glance

• Amperage rating: 200A
• Voltage rating: 600V
• Enclosure: NEMA 1
• Product type: Fused Disconnect Switch
• Brand: Siemens
• Model: HF364J

Ideal applications and use cases

• Industrial motors and feeders requiring reliable isolation for service and maintenance
• Commercial facility electrical distribution where safe, visible disconnection is essential
• Panel boards and control enclosures that demand a fused disconnect solution
• Maintenance-safe setups that rely on lockout/tagout to protect personnel

Why choose the HF364J for your installation

The HF364J combines Siemens' proven engineering with a fused disconnect design that emphasizes safety, reliability, and long-term durability. It provides a clear, intentional shutdown path under load, helping you meet safety standards while minimizing unexpected outages. If you’re upgrading a distribution panel, replacing an aging disconnect, or outfitting new equipment, this model offers a dependable, indoor-ready solution that aligns with mid-range power needs and code-compliant isolation practices.

Consider the Siemens HF364J for a rugged, maintenance-friendly disconnect that prioritizes safety, straightforward installation, and consistent performance in everyday industrial and commercial operations.