Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

Image not available
SiemensDuct Temperature Sensors

Siemens QAM2012.020 Duct Temperature Sensor

The Siemens QAM2012.020 is a metal-housed duct temperature sensor for building automation systems. It provides a single measurement over a -40°F to 180°F range with ±0.54°F accuracy, features a hardwired electrical…

SKU 3G-OTH-69531

Also listed as: QAM2012020 · QAM2012 020 · QAM2012-020

Brand
Siemens
Item
QAM2012.020 Duct Temperature Sensor
Category
Duct 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 — 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
QAM2012.020
Display
No Display
Housing
Metal
Product Type
Duct Temperature Sensor
Mounting Location
Duct Mount
Temperature Accuracy
±0.54°F
Electrical Connection Type
Hardwired
Compatible Building Automation Protocols
Modbus
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 QAM2012.020 is a metal-housed duct temperature sensor for building automation systems. It provides a single measurement over a -40°F to 180°F range with ±0.54°F accuracy, features a hardwired electrical connection, and supports the Modbus protocol.

Frequently Asked Questions

What is the Siemens QAM2012.020 duct temperature sensor used for?

The Siemens QAM2012.020 is a duct-mounted temperature sensor designed for building automation systems. It provides a single, accurate measurement of air temperature inside HVAC ducts, supporting Modbus protocol for integration with building management systems.

What are the specifications of the Siemens QAM2012.020?

The Siemens QAM2012.020 is a metal-housed duct temperature sensor with a measurement range of -40°F to 180°F and accuracy of ±0.54°F. It features a hardwired electrical connection, supports Modbus protocol, and is compatible with building automation systems.

Where to buy the Siemens QAM2012.020 worldwide?

3G Electric supplies the Siemens QAM2012.020 duct temperature sensor to customers worldwide. We handle full logistics, customs clearance, and delivery, ensuring you receive genuine Siemens parts for your building automation projects.

How to install the Siemens QAM2012.020 duct temperature sensor?

Install the Siemens QAM2012.020 by mounting it in the duct with the sensing element exposed to airflow. Hardwire the electrical connections per the wiring diagram, ensuring Modbus communication is correctly configured. Follow standard HVAC sensor installation practices for best accuracy.

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 duct 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
IEC thermal overload relay with three poles and integrated bimetallic elements for motor protection against overcurrent. Rated for 690V AC, with 1NO/1NC auxiliary contacts and screw terminals. Designed for use with SIRIUS contactors of Frame Size S2 in industrial motor control applications
Siemens
IEC thermal overload relay with three poles and integrated bimetallic elements for motor protection against overcurrent. Rated for 690V AC, with 1NO/1NC auxiliary contacts and screw terminals. Designed for use with SIRIUS contactors of Frame Size S2 in industrial motor control applications
IEC thermal overload relay with integrated bimetallic elements for motor protection. Rated 0.11–0.16 A, 690 V AC, 3 poles, frame size S00. Features 1NO/1NC auxiliary contacts and screw terminals. Compatible with SIRIUS contactors of frame size S00. Suitable for industrial motor control applications requiring thermal overload protection
Siemens
IEC thermal overload relay with integrated bimetallic elements for motor protection. Rated 0.11–0.16 A, 690 V AC, 3 poles, frame size S00. Features 1NO/1NC auxiliary contacts and screw terminals. Compatible with SIRIUS contactors of frame size S00. Suitable for industrial motor control applications requiring thermal overload protection
IEC thermal overload relay with integrated bimetallic elements for motor protection against overcurrent. Three-pole design, frame size S0, rated 11 A to 16 A. Features 1NO/1NC auxiliary contacts and screw terminals. Maximum voltage rating 690 V AC. Compatible with SIRIUS contactors of frame size S0
Siemens
IEC thermal overload relay with integrated bimetallic elements for motor protection against overcurrent. Three-pole design, frame size S0, rated 11 A to 16 A. Features 1NO/1NC auxiliary contacts and screw terminals. Maximum voltage rating 690 V AC. Compatible with SIRIUS contactors of frame size S0
IEC thermal overload relay with integrated bimetallic elements for motor protection. Rated 14-20 A, 3 poles, 1NO/1NC auxiliary contacts, screw terminals, 690V AC max. Frame size S0, compatible with SIRIUS contactors. No phase loss sensitivity
Siemens
IEC thermal overload relay with integrated bimetallic elements for motor protection. Rated 14-20 A, 3 poles, 1NO/1NC auxiliary contacts, screw terminals, 690V AC max. Frame size S0, compatible with SIRIUS contactors. No phase loss sensitivity
IEC thermal overload relay for motor protection against overload conditions. Rated 14-20 A, 3 poles, with integrated bimetallic elements and screw terminals. Auxiliary contact form 1NO/1NC, maximum voltage 690 V AC. Designed for use with SIRIUS contactors of frame size S2 in industrial motor control applications
Siemens
IEC thermal overload relay for motor protection against overload conditions. Rated 14-20 A, 3 poles, with integrated bimetallic elements and screw terminals. Auxiliary contact form 1NO/1NC, maximum voltage 690 V AC. Designed for use with SIRIUS contactors of frame size S2 in industrial motor control applications
IEC thermal overload relay with three poles and integrated bimetallic elements for motor protection against overcurrent. Rated for 690V AC maximum, with 1NO/1NC auxiliary contacts and screw terminals. Designed for use with SIRIUS contactors of Frame Size S00 in industrial motor control applications
Siemens
IEC thermal overload relay with three poles and integrated bimetallic elements for motor protection against overcurrent. Rated for 690V AC maximum, with 1NO/1NC auxiliary contacts and screw terminals. Designed for use with SIRIUS contactors of Frame Size S00 in industrial motor control applications

More from Siemens

View all Siemens parts
Siemens
Siemens
Duct-mount temperature sensor with metal housing, no display, and hardwired connection. Measures average air temperature from -40°F to 180°F with ±0.72°F accuracy. Supports LoRaWAN protocol for building automation systems. Suitable for HVAC duct applications requiring averaging measurement
Siemens
Siemens
Duct mount temperature sensor with a measurement range of 30°F to 250°F and 4 to 20 mA output. Metal housing, hardwired connection, accuracy ±0.54°F. Compatible with LonWorks building automation protocols for HVAC duct air temperature monitoring
Siemens
Siemens
Metal-housed duct temperature sensor for building automation systems. Provides a single measurement range of -40°F to 180°F with ±0.72°F accuracy. Hardwired connection with LonWorks protocol compatibility. Designed for duct-mount installation to monitor air temperature in HVAC ducts
Siemens
Siemens
Duct-mounted averaging temperature sensor with metal housing for HVAC systems. Measures from -40°F to 180°F with ±0.75°F accuracy. Hardwired connection supports LonWorks building automation protocols for integration into building management systems
Duct-mounted temperature sensor with metal standard housing and analog display. Provides a 4 to 20 mA signal from a 100 ohm platinum RTD with ±0.54°F accuracy over 20°F to 120°F. Includes mounting bracket, hardwired connection, and supports LonWorks protocols for building automation systems. Used for monitoring air temperature in HVAC ducts
Siemens
Duct-mounted temperature sensor with metal standard housing and analog display. Provides a 4 to 20 mA signal from a 100 ohm platinum RTD with ±0.54°F accuracy over 20°F to 120°F. Includes mounting bracket, hardwired connection, and supports LonWorks protocols for building automation systems. Used for monitoring air temperature in HVAC ducts
Siemens
Siemens
Duct-mount temperature sensor with metal housing, no display. Measures air temperature from 20°F to 120°F with ±0.54°F accuracy. Outputs 4 to 20 mA signal, hardwired, compatible with LoRaWAN protocols for building automation systems
Hardwired duct-mount temperature sensor with metal housing for HVAC building automation systems. Measures air temperature in ductwork, outputting a 4 to 20 mA signal with ±0.54°F accuracy. Supports MP-Bus protocol for integration with building automation systems. Operating range: 30°F to 250°F
Siemens
Hardwired duct-mount temperature sensor with metal housing for HVAC building automation systems. Measures air temperature in ductwork, outputting a 4 to 20 mA signal with ±0.54°F accuracy. Supports MP-Bus protocol for integration with building automation systems. Operating range: 30°F to 250°F
Siemens
Siemens
Duct-mount temperature sensor with metal housing for single-point measurement in HVAC ducts. Communicates via MP-Bus protocol for integration with building automation systems. Accuracy ±0.54°F over -40°F to 180°F range. Hardwired connection