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.
#Siemens #Siemens Parts #3RH2911-1FA22 #AuxiliarySwitch #HVACParts #FurnaceParts #AirConditionerParts
Visit The Website: https://www.partshnc.com/aux-switch-2no2nc-screw
Siemens Industrial Controls 3RH2911-1FA22 Auxiliary Switch
Published on February 24, 2026
Published by Edison
Viewed by 1 people
Description of item
Location
Country
United States
Region
IL
City
Chicago
Address
700 Nicholas BLVD Suite 105 Elk Grove Village IL 60007
Seller information
Name
Edison
Phone
8667730XXX
Click to show phone number
Registered
-
Location
Chicago in IL, United States
Unregistered user Send to friend
Contact seller
You must log in or register a new account in order to contact the advertiser.
Security Tips
- Avoid scams by acting locally or paying with PayPal
- Never pay with Western Union, Moneygram or other anonymous payment services
- Don't buy or sell outside of your country. Don't accept cashier cheques from outside your country
- This site is never involved in any transaction, and does not handle payments, shipping, guarantee transactions, provide escrow services, or offer "buyer protection" or "seller certification"
For more information visit our Security Center.
Related ads
|
Mk Diamond 165238 Concret...59.00 $ 1x
0x
United States ·
Illiions ·
Chicago ·
February 27, 2026
|
|
|
Market Forge 08-4413 4-1/...39.00 $ 1x
0x
United States ·
Illinois ·
Chicago ·
February 27, 2026
|
|
|
Sensus-Gas Division 496-2...137.00 $ 1x
0x
United States ·
IL ·
Chicago ·
February 27, 2026
|
|
|
AWOL(All Weather Odor Loc...104.00 $ 1x
0x
United States ·
IL ·
Chicago ·
February 27, 2026
|
Save this listing to your SmartPhone or Tablet!
Save this listing to your SmartPhone or Tablet!
Review & feedback on Siemens Industrial Controls 3RH2911-1FA22 Auxiliary Switch(0)
Be first to review or feedback