44.00 Dollar US $ · Siemens Industrial Controls 3RH2911-1FA22 Auxiliary Switch 2NO & 2NC Screw

Published date: February 24, 2026 11:36 am

Location: 700 Nicholas BLVD Suite 105 Elk Grove Village IL 60007, chicago, IL, United States

The Siemens Industrial Controls 3RH2911-1FA22 Auxiliary Switch is a versatile electrical accessory featuring two normally open (NO) and two normally closed (NC) contacts with screw terminals. It operates in conjunction with contactors and control devices in HVAC systems to provide additional feedback or interlocking functions by changing state when the primary device actuates. Commonly used in commercial and industrial air handling units, chillers, and HVAC control panels, this auxiliary switch enhances system monitoring, supports safety interlocks, and simplifies integration with building automation. Benefits include improved control precision, easier troubleshooting, and increased operational reliability.

For an efficient and reliable HVAC system, the Siemens Industrial Controls Auxiliary Switch is a great choice for optimal system performance.

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Visit The Website: https://www.partshnc.com/aux-switch-2no2nc-screw

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