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

Image not available

SiemensTemperature Sensors

Siemens Grainger Product (MPN 540-660B)

The Siemens Grainger 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…

SKU 3G-OTH-71034

Brand

Siemens

Item

Grainger Product

Category

Temperature Sensors

Available to Order

Trade pricing by quote — replies within 24h

Qty

WhatsApp an engineer

No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.

Create free account →Log in

Worldwide Shipping

Air & sea freight

Datasheet on Request

Technical specs

1-Day Quote

Replies within 24h

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) 

View Full Spec Sheet

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 Grainger 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).

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.

Browse all Siemens products →Contact our engineers →

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

Similar products

Matched by specification & description

Temperature Sensor: Duct Mount, Conduit Box, 55°F to 95°F, Plastic, Averaging Measurement, Plastic (MPN 540-244-18). Key specifications — Compatible Building Automation Protocols: Modbus; For Use With Building Automation Systems: Building Automation System Compatible; Product Type: Room Temperature Sensor; Brand: SIEMENS; Electrical Connection Type: Hardwired; Mounting Location: Duct Mount; Housing Type: Conduit Box; Manufacturer Part Number: 540-244-18.

Temperature Sensor: Remote, 0°F to 250°F, Stainless Steel, Single Measurement, Metal (MPN 536-777-25). Key specifications — Compatible Building Automation Protocols: BACnet MS/TP; For Use With Building Automation Systems: Building Automation System Compatible; Product Type: Immersion Temperature Sensor; Brand: SIEMENS; Electrical Connection Type: Hardwired; Mounting Location: Remote; Manufacturer Part Number: 536-777-25; Temperature Accuracy: ±0.50°F.

Temperature Sensor: Remote, 0°F to 250°F, Stainless Steel, Single Measurement, Metal (MPN 536-777-40). Key specifications — Compatible Building Automation Protocols: Modbus; For Use With Building Automation Systems: Building Automation System Compatible; Product Type: Immersion Temperature Sensor; Brand: SIEMENS; Electrical Connection Type: Hardwired; Mounting Location: Remote; Manufacturer Part Number: 536-777-40; Temperature Accuracy: ±0.50°F.

Temperature Sensor: Wall Mount, Flush Mount, 32°F to 131°F, Plastic, Single Measurement, Plastic (MPN 536-784B). Key specifications — Compatible Building Automation Protocols: BACnet MS/TP; For Use With Building Automation Systems: Building Automation System Compatible; Product Type: Room Temperature Sensor; Brand: SIEMENS; Electrical Connection Type: Hardwired; Mounting Location: Wall Mount; Housing Type: Flush Mount; Manufacturer Part Number: 536-784B.

Temperature Sensor: Wall Mount, Flush Mount, 32°F to 122°F, Plastic, Single Measurement, Plastic (MPN 536-994B). Key specifications — Compatible Building Automation Protocols: LonWorks; For Use With Building Automation Systems: Building Automation System Compatible; Product Type: Room Temperature Sensor; Brand: SIEMENS; Electrical Connection Type: Hardwired; Mounting Location: Wall Mount; Housing Type: Flush Mount; Manufacturer Part Number: 536-994B.

Temperature Sensor: -40°F to 240°F, Metal, Single Measurement, Metal (MPN QAD2020U). Key specifications — Compatible Building Automation Protocols: LonWorks; For Use With Building Automation Systems: Building Automation System Compatible; Product Type: Strap-Mount Temperature Sensor; Brand: SIEMENS; Electrical Connection Type: Hardwired; Manufacturer Part Number: QAD2020U; Temperature Accuracy: ±0.72°F; Display: No Display.

More from Siemens

View all Siemens parts →

Room Temperature Sensor, Beige, Indoor (MPN 540-660A). Key specifications — Application: Temperature; Compatible Brand and Series: Siemens Terminal Equipment Controllers (TEC); Electrical Connection Type: Cable; Indoor/Outdoor: Indoor; Mounting Type: Surface Mount; Temperature Range: 55° to 95°F; Brand: SIEMENS.

Grainger Product (MPN 540-680FA). Key specifications — Application: Temperature; Compatible Brand and Series: Siemens Terminal Equipment Controllers (TEC); Includes: Flush Mounted Override Button; Electrical Connection Type: Cable; Indoor/Outdoor: Indoor; Mounting Type: Surface Mount; Temperature Range: 55° to 95°F; Brand: SIEMENS.

Grainger Product (MPN 540-670A). Key specifications — Application: Temperature; Compatible Brand and Series: Siemens Terminal Equipment Controllers (TEC); Includes: Flush Mounted Override Button; Electrical Connection Type: Cable; Indoor/Outdoor: Indoor; Mounting Type: Surface Mount; Temperature Range: 55° to 95°F; Brand: SIEMENS.

Grainger Product (MPN QAA2280.FWNC). Key specifications — Application: Temperature; Compatible Brand and Series: Siemens Terminal Equipment Controllers (TEC); Electrical Connection Type: Cable; Indoor/Outdoor: Indoor; Mounting Type: Surface Mount; Temperature Range: 32° to 122°F; Brand: SIEMENS.

Grainger Product (MPN 540-670B). Key specifications — Application: Temperature; Compatible Brand and Series: Siemens Terminal Equipment Controllers (TEC); Includes: Setpoint; Electrical Connection Type: Cable; Indoor/Outdoor: Indoor; Mounting Type: Surface Mount; Temperature Range: 55° to 95°F; Brand: SIEMENS.

Temp, Full HMI-F, TEC, White (MPN 540-680FB). Key specifications — Application: Temperature; Compatible Brand and Series: Siemens Terminal Equipment Controllers (TEC); Includes: Setpoint; Electrical Connection Type: Cable; Indoor/Outdoor: Indoor; Mounting Type: Surface Mount; Temperature Range: 55° to 95°F; Brand: SIEMENS.