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SiemensTemperature Sensors

Siemens QAA2280.FWNC Indoor Temperature Sensor

The Siemens Product (MPN QAA2280.FWNC) is a surface-mount temperature sensor designed for indoor use. It features a cable electrical connection and operates within a temperature range of 32° to 122°F. This sensor is…

SKU 3G-OTH-70979

Also listed as: QAA2280FWNC · QAA2280 FWNC · QAA2280-FWNC

Brand
Siemens
Item
QAA2280.FWNC Indoor Temperature Sensor
Category
Temperature Sensors
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

Siemens
Manufacturer Part Number
QAA2280.FWNC
Application
Temperature
Mounting Type
Surface Mount
Indoor/Outdoor
Indoor
Temperature Range
32° to 122°F
Electrical Connection Type
Cable
Compatible Brand and Series
Siemens Terminal Equipment Controllers (TEC)

Technical Documents

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

Product Description

The Siemens Product (MPN QAA2280.FWNC) is a surface-mount temperature sensor designed for indoor use. It features a cable electrical connection and operates within a temperature range of 32° to 122°F. This sensor is compatible with Siemens Terminal Equipment Controllers (TEC).

Frequently Asked Questions

What is the Siemens QAA2280.FWNC temperature sensor used for?

The Siemens QAA2280.FWNC is a surface-mount temperature sensor for indoor HVAC applications. It measures ambient temperature and is compatible with Siemens Terminal Equipment Controllers (TEC) to regulate heating, cooling, and ventilation in commercial buildings.

What are the specifications of the Siemens QAA2280.FWNC?

The Siemens QAA2280.FWNC is an indoor temperature sensor with a surface mount, cable electrical connection, and a temperature range of 32° to 122°F. It is designed for use with Siemens Terminal Equipment Controllers (TEC) and carries MPN QAA2280.FWNC.

Where to buy the Siemens QAA2280.FWNC worldwide?

3G Electric supplies the Siemens QAA2280.FWNC temperature sensor worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time.

How to install the Siemens QAA2280.FWNC temperature sensor?

Mount the Siemens QAA2280.FWNC on a flat indoor wall surface using the provided bracket. Connect the cable to the compatible Siemens Terminal Equipment Controller (TEC) per the wiring diagram. Avoid direct sunlight or drafts for accurate readings.

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 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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Wall-mount room temperature sensor with digital display and plastic conduit-box housing. Measures from 32°F to 122°F with ±0.90°F accuracy. Outputs temperature data via integrated Siemens controller and supports LoRaWAN protocols. Includes RJ-11 tool for installation
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Wall-mounted flush-mount room temperature sensor with plastic housing. Measures single-point temperature from 32°F to 122°F with ±0.50°F accuracy. Hardwired connection, compatible with LonWorks building automation protocols. No display. Used for indoor temperature monitoring in HVAC control systems
Hardwired outdoor temperature sensor in a plastic conduit-box housing for single-point measurement. Provides ±0.54°F accuracy over a -40°F to 158°F range. Includes a conduit adapter and communicates via MP-Bus protocol for integration into building automation systems
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Hardwired outdoor temperature sensor in a plastic conduit-box housing for single-point measurement. Provides ±0.54°F accuracy over a -40°F to 158°F range. Includes a conduit adapter and communicates via MP-Bus protocol for integration into building automation systems

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