Siemens HF363J 100A 3P 600V Safety Switch, Fusible | AmpState

Siemens HF363J 100A 3P 600V Fusible Safety Switch is designed to provide immediate equipment disconnect and reliable isolation at the point of use. Built for demanding industrial environments, this fusible safety switch combines trusted Siemens quality with a compact, easy-to-wire package that keeps critical lines protected and accessible when you need to service or retrofit equipment.

Perfect for retrofit projects and maintenance planning where keeping the same part number matters, the HF363J ensures installation consistency and minimizes field substitutions. Its fusible design delivers integrated overcurrent protection, helping you meet safety and code requirements without juggling separate components in the field.

• Configuration: 3-pole, 100 A, 600 V rating for mid-size electrical systems
• Protection: Fusible safety switch for reliable circuit protection and controlled disconnection
• Point of use disconnect: Quick isolation at the equipment level to minimize downtime during maintenance
• retrofit-friendly: Supports planning where a consistent part number simplifies stocking and logistics

Ideal for: plant maintenance teams, electrical contractors, OEM integrators, and facilities managers who prioritize safety, reliability, and predictable substitutions during upgrades or repairs.

Need help confirming fit or matching a part number? AmpState can assist you with compatibility checks and ensure the HF363J is the right choice for your electrical system. Simply reach out, and we’ll help verify the connection, voltage, and pole requirements for your setup.

• Manufacturer: Siemens
• Part Number: HF363J
• Product Type: Safety Switch
• Amperage: 100 A
• Poles: 3
• Voltage: 600 V
• Fusible: Yes

Available from AmpState, the Siemens HF363J 100A 3P 600V Fusible Safety Switch is a dependable choice for equipment protection, isolating power safely at the point of use while supporting seamless retrofits and maintenance planning. If you’re upgrading or standardizing parts across a facility, this switch offers a concrete, reliable solution you can count on.