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SiemensTemperature Sensors

Siemens Product (MPN 540-660B)

The Siemens Product (MPN 540-660B) is a surface-mount temperature sensor designed for indoor use with a temperature range of 55° to 95°F. It features a cable electrical connection and is compatible with Siemens…

SKU 3G-OTH-71034

Also listed as: 540660B · 540 660B

Brand
Siemens
Item
Product
Category
Temperature Sensors
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Technical Specifications

Siemens
Manufacturer Part Number
540-660B
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)

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

Product Description

The Siemens Product (MPN 540-660B) is a surface-mount temperature sensor designed for indoor use with a temperature range of 55° to 95°F. It features a cable electrical connection and is compatible with Siemens Terminal Equipment Controllers (TEC).

Frequently Asked Questions

What is the Siemens 540-660B temperature sensor used for?

The Siemens 540-660B is a surface-mount temperature sensor for indoor HVAC applications. It measures ambient temperature from 55° to 95°F and connects via cable to Siemens Terminal Equipment Controllers (TEC) for precise climate control in commercial buildings.

What are the specifications of the Siemens 540-660B temperature sensor?

The Siemens 540-660B is an indoor temperature sensor with a range of 55° to 95°F. It features surface mounting, a cable electrical connection, and is compatible with Siemens Terminal Equipment Controllers (TEC). The manufacturer part number is 540-660B.

Where to buy the Siemens 540-660B temperature sensor worldwide?

3G Electric supplies the Siemens 540-660B temperature sensor worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this sensor to your facility. Contact us for availability and lead time.

How to install the Siemens 540-660B temperature sensor?

Mount the Siemens 540-660B sensor on a clean, flat indoor surface using the provided hardware. Connect the cable to a 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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