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

Meet the Siemens HNF364 – a purpose-built safety switch engineered for dependable on/off isolation and robust overcurrent protection in demanding industrial and commercial environments. With a 200A rating, 600V operation, and a 3-pole configuration, this switch is designed to simplify safe control of three-phase electrical systems while standing up to the rigors of everyday use.

• Model: HNF364
• Amperage: 200A
• Voltage: 600V
• Poles: 3-Pole
• Purpose: Ideal for motor disconnects, panelboards, and branch circuit protection in space-constrained installations

Why operators choose the HNF364:

• Reliable isolation for three-phase equipment, helping you safely de-energize circuits for maintenance or fault scenarios.
• Rugged performance built to withstand the vibration, dust, and temperature variations common in industrial floors and commercial facilities.
• Compact, maintainable design delivers essential protection without taking up excessive enclosure space, making it easier to service and retrofit existing panels.
• Versatile protection supports motor control centers, panelboards, and branch circuits where quick, clear disconnects are required.

Ideal use scenarios include motor-driven equipment such as conveyors, pumps, fans, and compressors in manufacturing lines, as well as downstream protection for panelboards and branch circuits in process facilities. The HNF364 provides a solid, straightforward safety solution when you need a dependable disconnect that you can trust in daily operation.

What sets this Siemens safety switch apart from the rest is the combination of Siemens engineering excellence and a pragmatic, field-ready design. Its 3-pole configuration ensures balanced isolation across all three phases, helping reduce electrical interference and improve system reliability. When downtime isn’t an option, the HNF364 delivers predictable performance and long-term durability that you can count on.

Practical tips for deployment and maintenance:

• Install in clean, ventilated enclosures and verify correct alignment with existing bus bars and support hardware.
• Schedule periodic inspections of contact surfaces and wiring terminals to confirm tight connections and absence of corrosion or overheating signs.
• Pair with compatible protection devices in your distribution scheme to ensure overall safety and streamlined maintenance workflows.
• Document model, amperage, and installation location for quick reference during future servicing or upgrades.

For engineers and technicians designing or upgrading electrical distribution, the Siemens HNF364 200A 600V 3-Pole Safety Switch offers a precise balance of compact footprint, dependable isolation, and straightforward maintenance—delivering clear value in motor disconnects, panelboards, and branch circuit protection across industrial and commercial applications.