Siemens Solutions Partner - Comtherm are proud to be a solutions partner for Siemens UK

Looking for Econex Parts? - Comtherm are sole UK distributors of Econex Parts, we offer full technical support.

Dungs LGW150 A4 30-150 mbar Differential Air Pressure Switch

Dungs  |  SKU: SPA284  |  Barcode: 221593/272353
0.75 kg
Connection Type
Contact Materal
Regular price £44.95
Shipping & appropriate taxes calculated at checkout.

Unsure if this is the right choice for your equipment or project? Our technical team can verify compatibility, check supporting parts, and provide recommendations before you purchase.

📋 This message will include the product details and SKU you are currently viewing so we can discuss the exact parts with you.

Delivery and Shipping

Dispatch Time
Limited stock available – same-day dispatch before 1pm.
Express Delivery
Next Business Day (UK Mainland)
Free Shipping
Orders Over £100 (UK Mainland)
Tracking
Real-time Updates
  • Secure packaging for industrial components
  • Same day shipping available (on request)

Technical Support On Hand

Response Time
Within 2 Hours
Support Hours
Mon-Thurs: 8:30-17:00 GMT
Fri: 8:30-15:00 GMT
Live Chat
Support Available Online
Expert Engineers
Siemens Certified
  • Obsolete replacement part assistance
  • Comprehensive documentation library
  • Commissioning Support
  • Priority parts replacement service
2

Description

Dungs LGW150 A4 Pressure Switch

**PLEASE NOTE**

MULTIPLE VARIANTS OF THIS PRESSURE SWITCH ARE AVAILABLE:

Connection Type: Terminal or Plug

Terminal types: Standard or Gold Plated

Please select the relevant options before ordering.

Specifications

The differential pressure switch LG150A4 is an adjustable differential pressure switch as per EN 1854 for automatic burner controls.

It is suitable for switching a circuit on, off or over on changes in actual pressure value relative to the set reference value. The reference value (switching point) is adjusted on a setting wheel provided with a scale. The test nipple is integrated in metal housing as standard.

Differential pressure monitoring in firing, ventilation and air-conditioning systems.

Differential pressure switches: suitable for air, flue and exhaust gases.

Pressure switches: suitable for gases of families 1,2,3 and other neutral gaseous media.

Switching Function

As pressure rises: 1 NC opens, 2 NO closes

As pressure falls: 1 NC closes, 2 NO opens

Technical Specifications

IP Rating: IP54

Pressure Range: 3-15 kPa (30-150 mbar)

Max Pressure: 50 kPa (500 mbar)


    Product Downloads Section

    Download manufacturer provided PDF files here to aid product selection and installation.

    PDF Manual PDF

    Download Product Manual:

    Complete installation and operation guide

    Download PDF
    PDF Datasheet PDF

    Download Product Datasheet:

    Technical specifications and features

    Download PDF