Siemens 5ST30100HG Auxiliary Switch, 480V

The Siemens 5ST30100HG Auxiliary Switch is a rugged, 480V-rated control accessory designed to keep industrial electrical systems running smoothly during service, maintenance, and replacement tasks. Built to integrate with Siemens control ecosystems, this auxiliary switch delivers dependable signaling and precise feedback to your automation and safety circuits.

Key advantages at a glance:

• Exact fit and compatibility: Clearly identified by part number 5ST30100HG, allowing you to verify it matches your application requirements before installation.
• 480V control circuit readiness: Engineered to perform reliably in typical industrial environments where 480V auxiliary signaling and control are common.
• Robust construction for harsh environments: Designed to withstand demanding factory floors, ensuring consistent operation over time.
• Compact form factor: Small footprint that fits into tight control panels and switchgear assemblies without compromising access.
• Simple installation and maintenance: Streamlined wiring and quick replacement workflow to minimize downtime during maintenance or swaps.
• Siemens ecosystem compatibility: Seamlessly complements Siemens breakers, contactors, and automation components to maintain system coherence.

Practical use cases

• Control panels in manufacturing lines, conveyors, and packaging machines where a signaling switch is needed to indicate relay or contactor status.
• Protection and control circuits in industrial equipment requiring reliable, mechanically actuated signaling for status feedback.
• Maintenance and replacement projects where a ready-made spare from the Siemens catalog reduces downtime and stocking complexity.

Compatibility and support

Verify fit by part number 5ST30100HG and assess application requirements. If you’re unsure about compatibility or need help matching a part number to your setup, reach out—we’re ready to help confirm the best fit for your specific equipment and configuration.