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Siemens Temperature Sensor: Wall Mount, Conduit Box, Digital, 32°F to 122°F - Room Temperature Sensors
SiemensRoom Temperature Sensors

Siemens Temperature Sensor: Wall Mount, Conduit Box, Digital, 32°F to 122°F

The Siemens QAA22SS.FWSN is a wall-mount room temperature sensor with a digital display and plastic conduit-box housing. It provides a 4 to 20 mA temperature signal output, has a temperature accuracy of ±0.90°F, and…

SKU 3G-OTH-69434

Also listed as: QAA22SSFWSN · QAA22SS FWSN · QAA22SS-FWSN

Brand
Siemens
Item
Temperature Sensor: Wall Mount, Conduit Box, Digital, 32°F to 122°F
Category
Room Temperature Sensors
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Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
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Technical Specifications

Siemens
Manufacturer Part Number
QAA22SS.FWSN
Type
Conduit Box, Digital, 32°F to 122°F, 0 to 10V DC/4 to 20 mA, Plastic
Display
Digital Display
Housing
Plastic
Includes
Anchors
Housing Type
Conduit Box
Product Type
Room Temperature Sensor
Mounting Location
Wall Mount
Temperature Accuracy
±0.90°F
Temperature Signal Output
4 to 20 mA
Electrical Connection Type
Hardwired
Compatible Building Automation Protocols
Modbus
For Use With Building Automation Systems
Building Automation System Compatible

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Siemens Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The Siemens QAA22SS.FWSN is a wall-mount room temperature sensor with a digital display and plastic conduit-box housing. It provides a 4 to 20 mA temperature signal output, has a temperature accuracy of ±0.90°F, and is hardwired for use with building automation systems via the Modbus protocol.

Frequently Asked Questions

What is the Siemens QAA22SS.FWSN room temperature sensor used for?

The Siemens QAA22SS.FWSN is a wall-mount room temperature sensor with a digital display, designed for building automation systems. It provides a 4 to 20 mA signal output and communicates via Modbus protocol, making it suitable for HVAC control and environmental monitoring in commercial or industrial facilities.

What are the specifications of the Siemens QAA22SS.FWSN temperature sensor?

The Siemens QAA22SS.FWSN is a wall-mount, conduit-box sensor with a plastic housing and digital display. It has a temperature range of 32°F to 122°F, accuracy of ±0.90°F, and outputs 4 to 20 mA or 0 to 10 VDC. It is hardwired, includes anchors, and supports Modbus protocol for building automation systems.

Where to buy the Siemens QAA22SS.FWSN temperature sensor worldwide?

You can source the Siemens QAA22SS.FWSN room temperature sensor through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we supply this sensor to procurement teams and plant engineers globally.

How to install the Siemens QAA22SS.FWSN wall-mount temperature sensor?

Mount the Siemens QAA22SS.FWSN on a wall using the included anchors, ensuring it is away from heat sources or drafts. Hardwire the 4 to 20 mA output to your building automation system following local electrical codes. For Modbus integration, configure the protocol settings per the system controller. Consult the manufacturer's manual for detailed wiring.

Used in

Common applications for Siemens
District cooling plants — LME73 + RWF55 for condenser-water modulation
Inflight catering and food-processing steam boilers — LMG22 with SQN90 air-fuel cross-damper
Hospital steam-plant redundancy — LME41 with QRA2 UV flame detection for dual-fuel boilers
Semiconductor fab process heat — LME23 and SKP55 gas valves on hot-oil heater skids
Container-terminal reefer-deck heating — LMG22 retrofit onto legacy burner racks

Siemens Products

3G Electric supplies Siemens room temperature sensors. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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