Siemens HNF363S 100A 3P Safety Switch, Fusible, Non-Fusible | AmpState

Introducing the Siemens HNF363S 100A 3P Safety Switch—a purpose-built equipment disconnect and isolation solution designed for use at the point of maintenance. This switch is ideal for retrofit projects and maintenance planning where keeping the same part number simplifies sourcing and service continuity.

What makes the HNF363S unique

• Three-pole, 100 A configuration delivers reliable three‑phase isolation for demanding industrial panels and machinery.
• Fusible and non-fusible options provide flexibility to match your protection strategy and system design.
• Designed for retrofit and service continuity with a consistent part number, simplifying replacements and stock management during maintenance.
• Point-of-use isolation enables safe, immediate disconnect right at the equipment, minimizing downtime during servicing.
• Trusted Siemens reliability backed by AmpState availability for easy procurement and compatibility checks.

Key uses and scenarios

• Electrical retrofit projects where equipment must be disconnected quickly and safely during maintenance.
• Panel upgrades or reconfigurations that require consistent part numbers to avoid part-number churn.
• Maintenance planning where reliable isolation reduces risk and downtime for three-phase machinery.
• New installations in facilities that rely on a robust, proven safety switch for routine servicing.

Specifications at a glance

• Manufacturer: Siemens
• Part Number: HNF363S
• Product Type: Safety Switch
• Amperage: 100 A
• Poles: 3

Need help matching a part number or confirming compatibility? Message us and we’ll help you confirm fit.

Stocked by AmpState, the Siemens HNF363S is ready to support your electrical safety strategy with clear, dependable isolation for everyday maintenance and retrofit projects.