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SiemensTemperature Sensors

Siemens 540-670A Surface-Mount Indoor Temperature Sensor with Override Button

The Siemens Product (MPN 540-670A) is a surface-mount indoor temperature sensor compatible with Siemens Terminal Equipment Controllers (TEC). It features a flush mounted override button and cable electrical…

SKU 3G-OTH-71113

Also listed as: 540670A · 540 670A

Brand
Siemens
Item
540-670A Surface-Mount Indoor Temperature Sensor with Override Button
Category
Temperature Sensors
Available to Order
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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
540-670A
Includes
Flush Mounted Override Button
Application
Temperature
Mounting Type
Surface Mount
Indoor/Outdoor
Indoor
Temperature Range
55° to 95°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 540-670A) is a surface-mount indoor temperature sensor compatible with Siemens Terminal Equipment Controllers (TEC). It features a flush mounted override button and cable electrical connection, with a temperature range of 55° to 95°F.

Frequently Asked Questions

What is the Siemens 540-670A temperature sensor used for?

The Siemens 540-670A is an indoor temperature sensor designed for use with Siemens Terminal Equipment Controllers (TEC). It provides accurate temperature sensing in HVAC systems, enabling precise climate control in commercial buildings.

What are the specifications of the Siemens 540-670A?

The Siemens 540-670A is a surface-mount indoor temperature sensor with a temperature range of 55° to 95°F. It includes a flush mounted override button and uses a cable electrical connection. It is compatible with Siemens Terminal Equipment Controllers (TEC).

Where to buy the Siemens 540-670A worldwide?

3G Electric supplies the Siemens 540-670A temperature sensor worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.

How to install the Siemens 540-670A temperature sensor?

Mount the Siemens 540-670A on a flat indoor surface using the provided hardware. Connect the cable to the compatible Siemens Terminal Equipment Controller (TEC) following the wiring diagram. Ensure the sensor is not exposed to 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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