We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

Image not available
SiemensImmersion Temperature Sensors

Siemens Temperature Sensor: Remote Immersion, Conduit Box, 32°F to 212°F, 4 to 20 mA

The Siemens Temperature Sensor: Remote Immersion (SKU 3G-OTH-68993) is an immersion temperature sensor with a metal conduit box housing and hardwired electrical connection. It provides a 4 to 20 mA temperature signal…

SKU 3G-OTH-68993

Also listed as: 54456225 · 544 562 25

Brand
Siemens
Item
Temperature Sensor: Remote Immersion, Conduit Box, 32°F to 212°F, 4 to 20 mA
Category
Immersion 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

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

Siemens
Manufacturer Part Number
544-562-25
Type
Conduit Box, 32°F to 212°F, 4 to 20 mA, Stainless Steel, Metal
Display
No Display
Housing
Metal
Housing Type
Conduit Box
Product Type
Immersion Temperature Sensor
Mounting Location
Remote Immersion
Temperature Accuracy
±0.54°F
Temperature Signal Output
4 to 20 mA
Electrical Connection Type
Hardwired
Compatible Building Automation Protocols
LonWorks
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 Temperature Sensor: Remote Immersion (SKU 3G-OTH-68993) is an immersion temperature sensor with a metal conduit box housing and hardwired electrical connection. It provides a 4 to 20 mA temperature signal output with an accuracy of ±0.54°F, is compatible with LonWorks building automation protocols, and is designed for use with building automation systems.

Frequently Asked Questions

What is the Siemens immersion temperature sensor used for?

The Siemens immersion temperature sensor is used in building automation systems to measure fluid temperature in pipes or tanks. It provides a 4 to 20 mA signal to controllers, enabling precise HVAC and process control in commercial and industrial facilities.

What are the specifications of the Siemens 544-562-25 temperature sensor?

The Siemens 544-562-25 immersion sensor has a 4 to 20 mA output, ±0.54°F accuracy, and a range of 32°F to 212°F. It features a metal conduit box housing, hardwired connection, and is compatible with LonWorks protocols for building automation systems.

Where to buy the Siemens 544-562-25 temperature sensor worldwide?

3G Electric supplies the Siemens 544-562-25 immersion temperature sensor worldwide. As a global industrial solutions provider, we handle logistics, customs, and delivery to your facility. Contact us for pricing and lead time on this LonWorks-compatible sensor.

How to install a Siemens remote immersion temperature sensor?

Install the Siemens immersion sensor in a thermowell or directly into a pipe. Ensure the sensing tip is fully immersed in the fluid. Hardwire the 4 to 20 mA output to your building automation controller, following local electrical codes and the manufacturer's wiring diagram.

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 immersion 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
Siemens
Siemens
Temperature Sensor: Remote, 20°F to 70°F, 4 to 20 mA, Stainless Steel, Single Measurement, Metal (MPN 536-774-40)
Siemens
Siemens
Temperature Sensor: Remote, 30°F to 250°F, 4 to 20 mA, Stainless Steel, Single Measurement, Metal (MPN 536-767-40)
Siemens
Siemens
Temperature Sensor: Remote, 30°F to 250°F, 4 to 20 mA, Stainless Steel, Single Measurement, Metal (MPN 536-767-60)
Siemens
Siemens
Temperature Sensor: Remote, 0°F to 250°F, Stainless Steel, Single Measurement, Metal (MPN QAE2012.005)

More from Siemens

View all Siemens parts
Siemens
Siemens
Temperature Sensor: Remote Immersion, Conduit Box, 32°F to 212°F, 4 to 20 mA, Stainless Steel, Metal (MPN 544-562-40)
Siemens
Siemens
Temperature Sensor: Remote, 20°F to 70°F, 4 to 20 mA, Stainless Steel, Single Measurement, Metal (MPN 536-774-60)
Siemens
Siemens
Temperature Sensor: Remote, 0°F to 250°F, Stainless Steel, Single Measurement, Metal (MPN 536-777-40)
Siemens
Siemens
Temperature Sensor: Remote, 20°F to 70°F, 4 to 20 mA, Stainless Steel, Single Measurement, Metal (MPN 536-774-25)
Siemens
Siemens
Temperature Sensor: Remote Immersion, Conduit Box, 32°F to 212°F, 4 to 20 mA, Stainless Steel, Metal (MPN 544-562-60)
Siemens
Siemens
Temperature Sensor: Remote, 0°F to 250°F, Stainless Steel, Single Measurement, Metal (MPN 536-777-60)
Siemens
Siemens
Temperature Sensor: Remote, 0°F to 250°F, Stainless Steel, Single Measurement, Metal (MPN 536-777-25)
Siemens
Siemens
Temperature Sensor: Remote, 0°F to 250°F, Stainless Steel, Single Measurement, Metal (MPN QAE2012.010)