DungsGas Regulation

Dungs Pressure switch GW 50 A5

DUNGS GW 50 A5 is a compact pressure switch for gas regulation applications supporting families 1, 2, 3 and neutral gases. Features 1 NC and 2 NO contacts, G 1/4 connection port, and operates across -15 to +70 °C…

SKU 3G-CBM-04026

Also listed as: GAZ 15005 · GAZ-15005

Brand

Dungs

Item

Pressure switch GW 50 A5

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

Dungs

type

Compact pressure switch 

model

GW 50 A5 

contacts

1 NC, 2 NO 

standard

EN 1854 

suitable for

Gas families 1, 2, 3 and neutral gaseous fluids 

connection port

G 1/4 

connection type

Flange with O-ring on pressure switch base 

fluid temp range

-15 to +70 °C 

measurement port

ø 9, length 10 mm, with threaded cap 

ambient temp range

-15 to +70 °C 

Datasheet Content

F                                                   NL                    E                           P



                                                      FIN d´emploiDK
                                                     Notice        et de                                                    S en montage-
                                                                                                                        Gebruiks-    N                                     Instrucciones de servicio                           Instruções de operação e
                                                     montage                                                            aanwijzing                                         y de montaje                                        de montagem

                                                     Pressostat pour le gaz et l'air                                    Gas- en luchtdrukschakelaar                        Presostato para gas y aire                          Pressostato de gás e ar
                                                     GW…A5                                                              GW…A5                                              GW…A5                                               GW…A5
                                                     GW…A5/1                                                            GW…A5/1                                            GW…A5/1                                             GW…A5/1




                                                                                                                        Pression de service maxi. / Max. bedri-                                                                Température ambiante
                                                                                                                        jfsdruk / Presión de servicio máxima /                          °C                                     Omgevingstemperatuur
                                                                                                                        Pressão de serviço máx.                                              +70                               Temperatura ambiente
                                                                                                                        GW 3/10/50/150 A5
                                                                                                                                                                                                                               Temperatura ambiente
                                                                                                                        pmax. = 500 mbar (50 kPa)                                             0
                                                                                                                        GW 500 A5                                                                                               –15 °C … +70 °C
                                                                                                                                                                                             -15
                                                          [mbar]                                                        pmax. = 600 mbar (60 kPa)


                                                                                                                        Pressostat/Drukschakelaar/                                                                             Température du fluide
                                                                                                                        Presostato / Pressostato                                        °C                                     Mediumtemperatuur
                                                                                                                        Typ/Type/Type/Tipo                                                  +70
                                                                                                                                                                                                                               Temperatura del medio
                                                                                                                        GW…A5
                                                                                                                        selon/volgens/según la norma/segundo a                                                                 Temperatura do fluido
                                                                                                                                                                                             0
                                                                                                                        norma, EN 1854                                                      -15                                 –15 °C … +70 °C
                                                         EN 1854

                                                                                                                        Plages de réglage                                                                                      Température de stockage
                                                                                                                        Instelgebied                                                    °C                                     Opslagtemperatuur
                                                        100 – 500 mbar                                                                                                                      +80
                                                          5 – 150 mbar
                                                                                                                        Gamas de ajuste                                                                                        Temperatura de almacenamiento
                                                          5 – 50 mbar                                                   Gamas de ajuste                                                                                        Temperatura para a armazenagem
                                                                                                                                                                                             0
                                                          2 – 10 mbar                                                                                                                                                           –30 °C … +80 °C
                                                        0,7 – 3 mbar
                                                                                                                                                                                            -30


                                                                                                                        =(AC) eff., min./mini. 24 V,                                                                           Famille      1+2+3
                                                                                                                        ~(AC) max. /maxi. 250 V                                                                                Familie      1+2+3
                                                                                                                        =(DC) min./mini. 24 V,                                                                                 Familia      1+2+3
                                                                                                                        =(DC) max. /maxi. 48 V                                   Gas Gaz                                       Família      1+2+3
                                                               [V]

                                                                                                                        courant nominal/Nominale stroom/Inten-                                                                 Protection
                                                                                                                        sidad nominal/Corrente nominal
                                                                                                                        GW 3 A5: ~ (AC) 10 A                                                                                   Afdichtingsnorm
                                                                                                                        GW 10…500 A5: ~ (AC) 6 A                                                                               Tipo de protección
                                                                                                                        courant de commutation/Contactbelasting/                                                               Grau de protecção
                                                                                                                        Intensidad de conmutación/Corrente de
                                                          [A]                                                           comutação                                                                                              IP 54 selon / volgens / según la
                                                                                                                                                                                  IEC 529
                                                          EN 1854                                                       GW 3 A5: ~(AC) 4 A cos ϕ 1                                                                             norma / segundo
                                                                                                                        ~(AC) 2 A cos ϕ 0,6                                                                                    IEC 529 (EN 60529)
                                                                                                                        GW 10…500 A5:
                                                                                                                        ~(AC) max./maxi. 6 A cos ϕ 1
                                                                                                                        ~(AC) max./maxi. 3 A cos ϕ 0,6
                                                                                                                        GW 3…500 A5:
                                                                                                                        ~(AC) eff., min./mini 20 mA,
                                                                                                                        =(DC) min./mini. 20 mA
                                                                                                                        =(DC) max./maxi. 1 A


                                                      Position de montage / Inbouwpositie / Posición de montaje / Posição de montagem
                                                                                                                        Position de montage standard (en cas de déviation, tenir compte du changement des points de coupure).           GW 3…50 A5 max. ± 0,6 mbar
2
                                                                                    1       2
                                                                                                                        Standaard inbouwpositie;…

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Dungs Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

Frequently Asked Questions

What is the Dungs GW 50 A5 pressure switch used for?

The Dungs GW 50 A5 is a compact pressure switch used in gas regulation systems for gas families 1, 2, 3 and neutral gaseous fluids. It provides reliable switching with 1 NC and 2 NO contacts, making it suitable for gas control applications requiring precise pressure monitoring.

What are the specifications of the Dungs GW 50 A5?

The Dungs GW 50 A5 is a compact pressure switch with G 1/4 connection port, flange with O-ring, and measurement port ø 9 mm. It operates across -15 to +70 °C fluid and ambient temperature, complies with EN 1854, and supports gas families 1, 2, and 3.

Where to buy the Dungs GW 50 A5 in Singapore?

You can source the Dungs GW 50 A5 pressure switch through 3G Electric in Singapore. We handle logistics, customs clearance, and delivery to your facility. Contact us for availability and lead time on this gas regulation component.

How to install the Dungs GW 50 A5 pressure switch?

Install the Dungs GW 50 A5 in the standard mounting position to avoid switching point deviation. For GW 50 A5, deviation is max ±0.6 mbar if mounted otherwise. Ensure the G 1/4 connection is sealed properly and ambient temperature stays within -15 to +70 °C.

Used in

Common applications for Dungs

Industrial steam boilers — MB-ZRDLE MultiBloc on modulating gas-fired plant

Hospital and hotel plant rooms — MB-D series for two-stage commercial burners

Food-industry ovens and dryers — DMV butterfly valves on high-turndown modulating lines

Petrochemical gas-train skid assemblies — FRS / FRSBV regulators with GW pressure switches

Retrofit drop-in replacements for older Dungs MB assemblies on existing Weishaupt / Riello burners

Dungs Products

3G Electric supplies Dungs 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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