Siemens 3RH29111FB22 Auxiliary Switch, 10A, 24V

Experience dependable control signaling with the Siemens 3RH29111FB22 Auxiliary Switch. This 10 A, 24 V auxiliary contact is purpose-built for industrial electrical service, maintenance, and replacement projects, delivering reliable status feedback and interlock signals within Siemens control gear. Always verify compatibility by part number 3RH29111FB22 against your specific application requirements to ensure a perfect fit.

Why this auxiliary switch matters

• Genuine Siemens part ensures exact electrical characteristics and seamless integration with existing equipment.
• 10 A rating supports standard control circuits, relays, and PLC inputs without overloading.
• 24 V control voltage aligns with common automation networks and safety circuits.
• Compact design fits into crowded panels and alongside other control accessories.
• Built to endure industrial environments and frequent cycling typical of maintenance scenarios.

Ideal use cases

• Replacing worn or failed auxiliary switches on Siemens 3RH contactors for reliable restarts and signaling.
• Adding a signaling or interlock contact to an existing control circuit to improve system visibility and safety interlocks.
• Upgrading control panels in automation lines that rely on 24 V logic and quick, precise part replacements.
• On-site maintenance and repair projects where exact part matching minimizes downtime and commissioning effort.

Key specifications at a glance

• Part Number: 3RH29111FB22
• Manufacturer: Siemens
• Product Type: Auxiliary Switch / Auxiliary contact
• Amperage: 10 A
• Voltage: 24 V
• Notes: Verify fit by part number and application requirements

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