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Siemens QPL25.150B 5-150mbar pressure switch - Gas Regulation
SiemensGas Regulation

Siemens QPL25.150B 5-150mbar pressure switch

The Siemens QPL25.150B is a pressure switch for gas regulation applications, operating across 5-150 mbar with a maximum pressure rating of 60 kPa. It accepts 24-48 V DC or 250 V AC supply, making it suitable for HVAC…

SKU 3G-CBM-04054

Brand
Siemens
Item
QPL25.150B 5-150mbar pressure switch
Category
Gas Regulation
UNSPSC
40142201 — Gas regulators
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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
connector
DIN EN 175301-803-A
voltage ac
250 V~
voltage dc
24-48 V–
max pressure
60 kPa
current ac max
6 A (cos 1) / 2 A (cos 0.6)
pressure range
5-150 mbar
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Siemens Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The Siemens QPL25.150B is a pressure switch for gas regulation applications, operating across 5-150 mbar with a maximum pressure rating of 60 kPa. It accepts 24-48 V DC or 250 V AC supply, making it suitable for HVAC and industrial gas control systems.

Frequently Asked Questions

What is the Siemens QPL25.150B pressure switch used for?

The Siemens QPL25.150B is a compact pressure switch used for monitoring gas or air pressure in gas regulation systems, HVAC equipment, and industrial burners. It can serve as a minimum or maximum pressure switch and is suitable for gases of families 1, 2, 3, and other neutral gaseous fluids.

What are the specifications of the Siemens QPL25.150B?

The Siemens QPL25.150B has an adjustable pressure range of 5-150 mbar, a maximum service pressure of 60 kPa, and accepts 24-48 V DC or 250 V AC supply. It features a DIN EN 175301-803-A connector and a maximum AC current of 6 A (cos 1) or 2 A (cos 0.6).

Where to buy the Siemens QPL25.150B in Singapore?

You can source the Siemens QPL25.150B pressure switch through 3G Electric in Singapore. We handle logistics, customs clearance, and delivery to your facility, providing technical support for gas regulation and HVAC applications. Contact us for availability and lead time.

How to install the Siemens QPL25.150B pressure switch?

Installation must be performed by authorized specialists. Before wiring, isolate the main power supply completely. Set the switching point by removing the cap and turning the graduated knob right for higher pressure or left for lower pressure. Do not use in flammable or explosive environments.

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
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Siemens Products

3G Electric supplies Siemens gas regulation. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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