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

Siemens Temperature Sensor: Duct Mount, 30°F to 250°F, 4 to 20 mA, Steel, Single Measurement - Duct Temperature Sensors
SiemensDuct Temperature Sensors

Siemens Temperature Sensor: Duct Mount, 30°F to 250°F, 4 to 20 mA, Steel, Single Measurement

The Siemens Duct Temperature Sensor (MPN 533-377-4) is a hardwired, metal-housed duct-mount sensor with a 4 to 20 mA temperature signal output and ±0.54°F accuracy. It supports MP-Bus building automation protocols…

SKU 3G-OTH-69054

Also listed as: 5333774 · 533 377 4

Brand
Siemens
Item
Temperature Sensor: Duct Mount, 30°F to 250°F, 4 to 20 mA, Steel, Single Measurement
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
533-377-4
Type
30°F to 250°F, 4 to 20 mA, Steel, Single Measurement, Metal
Display
No Display
Housing
Metal
Product Type
Duct Temperature Sensor
Mounting Location
Duct Mount
Temperature Accuracy
±0.54°F
Temperature Signal Output
4 to 20 mA
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 Duct Temperature Sensor (MPN 533-377-4) is a hardwired, metal-housed duct-mount sensor with a 4 to 20 mA temperature signal output and ±0.54°F accuracy. It supports MP-Bus building automation protocols and is compatible with building automation systems, operating over a 30°F to 250°F range.

Frequently Asked Questions

What is the Siemens duct temperature sensor 533-377-4 used for?

The Siemens 533-377-4 duct temperature sensor is used in HVAC building automation systems to measure air temperature inside ductwork. It outputs a 4 to 20 mA signal and supports MP-Bus protocols, enabling precise temperature monitoring and control for commercial and industrial facilities.

What are the specifications of the Siemens 533-377-4 duct temperature sensor?

The Siemens 533-377-4 is a hardwired, metal-housed duct-mount sensor with a 30°F to 250°F range, 4 to 20 mA output, and ±0.54°F accuracy. It supports MP-Bus protocols and is compatible with building automation systems. No display is included.

Where to buy the Siemens 533-377-4 duct temperature sensor worldwide?

3G Electric supplies the Siemens 533-377-4 duct temperature sensor worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time on this MP-Bus compatible sensor.

How to install the Siemens 533-377-4 duct temperature sensor?

Install the Siemens 533-377-4 by mounting it in the duct with the probe inserted into the airflow. Hardwire the 4 to 20 mA output to your building automation system controller. Follow standard HVAC sensor practices: avoid direct sunlight or heat sources, and ensure proper sealing to prevent air leaks.

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
Siemens
Siemens
Temperature Sensor: Duct Mount, 30°F to 250°F, 4 to 20 mA, Steel, Single Measurement, Metal (MPN 533-377-8)
Temperature Sensor: Duct Mount, 20°F to 120°F, 4 to 20 mA, Aluminum, Single Measurement, Metal (MPN 533-376-8)
Siemens
Temperature Sensor: Duct Mount, 20°F to 120°F, 4 to 20 mA, Aluminum, Single Measurement, Metal (MPN 533-376-8)
Temperature Sensor: Duct Mount, 20°F to 120°F, 4 to 20 mA, Steel, Averaging Measurement, Metal (MPN 533-380-8)
Siemens
Temperature Sensor: Duct Mount, 20°F to 120°F, 4 to 20 mA, Steel, Averaging Measurement, Metal (MPN 533-380-8)
Siemens
Siemens
Temperature Sensor: Duct Mount, 20°F to 120°F, 4 to 20 mA, Steel, Averaging Measurement, Metal (MPN 533-380-16)
Siemens
Siemens
Temperature Sensor: Duct Mount, -40°F to 180°F, Steel, Averaging Measurement, Metal (MPN 544-343-36)
Siemens
Siemens
Temperature Sensor: Duct Mount, -40°F to 180°F, Steel, Averaging Measurement, Metal (MPN 544-343-48)

More from Siemens

View all Siemens parts
Siemens
Siemens
Temperature Sensor: Duct Mount, Conduit Box, 55°F to 95°F, Plastic, Averaging Measurement, Plastic (MPN 540-244-18)
Siemens
Siemens
Temperature Sensor: Duct Mount, -40°F to 180°F, Steel, Averaging Measurement, Metal (MPN QAM2021.750)
Siemens
Siemens
Temperature Sensor: Duct Mount, 30°F to 250°F, 4 to 20 mA, Steel, Single Measurement, Metal (MPN 533-377-18)
Siemens
Siemens
Temperature Sensor: Duct Mount, -40°F to 180°F, Steel, Single Measurement, Metal (MPN QAM2020.020)
Siemens
Siemens
Temperature Sensor: Duct Mount, -40°F to 180°F, Steel, Single Measurement, Metal (MPN QAM2012.020)
Siemens
Siemens
Temperature Sensor: Duct Mount, -40°F to 180°F, Steel, Averaging Measurement, Metal (MPN QAM2012.250)
Duct sensor: Duct Mount, Std Housing, Analog, 20°F to 120°F, 4 to 20 mA, Stainless Steel, Metal (MPN 533-380-24)
Siemens
Duct sensor: Duct Mount, Std Housing, Analog, 20°F to 120°F, 4 to 20 mA, Stainless Steel, Metal (MPN 533-380-24)
Siemens
Siemens
Temperature Sensor: Duct Mount, 20°F to 120°F, 4 to 20 mA, Aluminum, Single Measurement, Metal (MPN 533-376-4)