We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

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

Siemens Temperature Sensor: Wall Mount, Conduit Box, 32°F to 122°F, Plastic, Single Measurement

The Siemens QAA2235.EWSN is a wall-mount room temperature sensor with a plastic conduit-box housing and no display. It offers a temperature accuracy of ±0.36°F and uses a hardwired electrical connection with MP-Bus…

SKU 3G-OTH-69364

Also listed as: QAA2235EWSN · QAA2235 EWSN · QAA2235-EWSN

Brand
Siemens
Item
Temperature Sensor: Wall Mount, Conduit Box, 32°F to 122°F, Plastic, Single Measurement
Category
Room Temperature Sensors
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

Siemens
Manufacturer Part Number
QAA2235.EWSN
Type
Conduit Box, 32°F to 122°F, Plastic, Single Measurement, Plastic
Display
No Display
Housing
Plastic
Includes
Matching Gaskets
Housing Type
Conduit Box
Product Type
Room Temperature Sensor
Mounting Location
Wall Mount
Temperature Accuracy
±0.36°F
Electrical Connection Type
Hardwired
Compatible Building Automation Protocols
MP-Bus
For Use With Building Automation Systems
Building Automation System Compatible

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The Siemens QAA2235.EWSN is a wall-mount room temperature sensor with a plastic conduit-box housing and no display. It offers a temperature accuracy of ±0.36°F and uses a hardwired electrical connection with MP-Bus protocol for building automation system compatibility. The sensor includes matching gaskets and is designed for single measurement applications.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the Siemens QAA2235.EWSN room temperature sensor used for?

The Siemens QAA2235.EWSN is a wall-mount room temperature sensor used in building automation systems to measure indoor air temperature. It is hardwired and communicates via MP-Bus protocol, making it suitable for commercial HVAC control in offices, schools, and facilities requiring single-point temperature monitoring.

What are the specifications of the Siemens QAA2235.EWSN temperature sensor?

The Siemens QAA2235.EWSN is a wall-mount sensor with a plastic conduit-box housing, no display, and a temperature range of 32°F to 122°F. It offers ±0.36°F accuracy, uses hardwired MP-Bus protocol, and includes matching gaskets. It is designed for single measurement in building automation systems.

Where to buy the Siemens QAA2235.EWSN worldwide?

You can source the Siemens QAA2235.EWSN 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 genuine Siemens components for building automation projects.

How to install the Siemens QAA2235.EWSN wall-mount temperature sensor?

Mount the Siemens QAA2235.EWSN on a wall at about 60 inches above floor, away from heat sources and drafts. Use the included gaskets to seal the conduit box. Hardwire the MP-Bus connection per Siemens wiring diagrams. Ensure the sensor is in a representative room location for accurate temperature measurement.

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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
Temperature Sensor: Wall Mount, Conduit Box, 32°F to 122°F, Plastic, Single Measurement, Plastic (MPN QAA2212.EWSN)
Siemens
Temperature Sensor: Wall Mount, Conduit Box, 32°F to 122°F, Plastic, Single Measurement, Plastic (MPN QAA2212.EWSN)
Temperature Sensor: Wall Mount, Conduit Box, 55°F to 96°F, Plastic, Single Measurement, Plastic (MPN QAA2230.EWSN)
Siemens
Temperature Sensor: Wall Mount, Conduit Box, 55°F to 96°F, Plastic, Single Measurement, Plastic (MPN QAA2230.EWSN)
Temperature Sensor: Wall Mount, Conduit Box, 32°F to 122°F, 0 to 10V DC/4 to 20 mA, Plastic, Plastic (MPN QAA22SS.EWSN)
Siemens
Temperature Sensor: Wall Mount, Conduit Box, 32°F to 122°F, 0 to 10V DC/4 to 20 mA, Plastic, Plastic (MPN QAA22SS.EWSN)
Temperature Sensor: Wall Mount, Conduit Box, Digital, 32°F to 122°F, 0 to 10V DC/4 to 20 mA, Plastic (MPN QAA22SS.FWSN)
Siemens
Temperature Sensor: Wall Mount, Conduit Box, Digital, 32°F to 122°F, 0 to 10V DC/4 to 20 mA, Plastic (MPN QAA22SS.FWSN)

More from Siemens

View all Siemens parts
Temperature Sensor: Wall Mount, Conduit Box, Digital, 32°F to 122°F, Integrated Siemens Controller (MPN QAA2280.FWSC)
Siemens
Temperature Sensor: Wall Mount, Conduit Box, Digital, 32°F to 122°F, Integrated Siemens Controller (MPN QAA2280.FWSC)
Siemens
Siemens
Temperature Sensor: Wall Mount, Flush Mount, 32°F to 122°F, Plastic, Single Measurement, Plastic (MPN 536-784A)
Temperature Sensor: Wall Mount, Conduit Box, Digital, 32°F to 122°F, Plastic, Single Measurement (MPN QAA2212.FWSN)
Siemens
Temperature Sensor: Wall Mount, Conduit Box, Digital, 32°F to 122°F, Plastic, Single Measurement (MPN QAA2212.FWSN)
Temperature Sensor: Wall Mount, Conduit Box, Digital, 32°F to 122°F, Integrated Siemens Controller (MPN QAA2280.DWSC)
Siemens
Temperature Sensor: Wall Mount, Conduit Box, Digital, 32°F to 122°F, Integrated Siemens Controller (MPN QAA2280.DWSC)
Temperature Sensor: Wall Mount, Conduit Box, 32°F to 122°F, Integrated Siemens Controller, Plastic (MPN QAA2280.EWSC)
Siemens
Temperature Sensor: Wall Mount, Conduit Box, 32°F to 122°F, Integrated Siemens Controller, Plastic (MPN QAA2280.EWSC)
Temperature Sensor: Wall Mount, Conduit Box, Digital, 32°F to 122°F, Plastic, Single Measurement (MPN QAA2230.FWSN)
Siemens
Temperature Sensor: Wall Mount, Conduit Box, Digital, 32°F to 122°F, Plastic, Single Measurement (MPN QAA2230.FWSN)
Temperature Sensor: Wall Mount, Conduit Box, 32°F to 122°F, Plastic, Single Measurement, Plastic (MPN QAA2220.EWSN)
Siemens
Temperature Sensor: Wall Mount, Conduit Box, 32°F to 122°F, Plastic, Single Measurement, Plastic (MPN QAA2220.EWSN)
Siemens
Siemens
Temperature Sensor: Wall Mount, Flush Mount, 32°F to 122°F, Plastic, Single Measurement, Plastic (MPN 536-994A)