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Trafag AG sensors & controls
901/902/905/906 MEMBRANE LIMI-PRESSOSTAT

901/902/905/906 MEMBRANE LIMI-PRESSOSTAT

Product catalog summary

Specifications:
The document details the specifications of the Membrane Limi-Pressostat, a pressure limiter with external resetting. It features a membrane sensor with a measuring range of 30...600 and 50...1000 mbar. The output is a floating change-over contact (SPDT), and the switching differential is not adjustable. It complies with EN60730-1/ EN60730-2-6: Typ 2.B.H standards.

Accuracy:
The repeatability of the sensor is ± 1.0 % FS typical, and the scale accuracy is ± 2.0 % FS typical. The switching differential is specified in a table, and the adjustment range for the switchpoint is 10% ... 90% FS.

Electrical Connection:
The device uses a screwed cable gland M20x1.5, suitable for cable diameters of 6...13 mm, and terminal screws of 3 x 0.5...4 mm².

Environmental Conditions:
Operating temperature ranges from -25 to +70°C, media temperature from -40 to +150°C, and storage temperature from -25 to +85°C. It has an IP65 protection rating and can withstand vibrations and shocks as specified.

Mechanical Data:
The housing is made of AlSi10Mg with an epoxy coating, and the membrane is made of EFFBE. It is resistant to various substances including acetylene, hydrogen, and natural gas. The device can be mounted in any position and weighs approximately 850 g.

Ordering Information:
Various configurations are available, including options with or without display and for increasing or decreasing pressure. Custom build codes and additional accessories like damping elements and snubbers are also mentioned.

Electrical Data Switch:
The switch has high vibration resistance and an average switching differential, with specific ratings for AC and DC loads provided.

Catalog excerpts

901/902/905/906 MEMBRANE LIMI-PRESSOSTAT-1

Iiufug sensors «> controls ANWENDUNGEN ' Schiffbau 0 Motorenbau 0 Schienenfahrzeuge ♦ Maschinenbau O Hydraulik ♦ HLK O Kaltetechnik O Prozess Techn. O Wasseraufbereitung O Autoindustrie O Prufstande ' Ex O Lebensmittelindustrie O Autoklaven APPLICATIONS O Construction navale O Constr. de moteurs O Vehicules sur rail ♦ Machines-outils O Hydraulique ♦ CVC O Refrigeration O Techn. de procedes O Traitement de l'eaux O Industrie automobile O Banc d'essai a frein Ex O Industrie alimentaire O Autoclavage APPLICATIONS O Shipbuilding O Engine manufacturing O Railways ♦ Machine tools O Hydraulics ♦ HVAC O Refrigeration O Process technology O Water treatment O Automotive industry O Test benches Ex O Food Industry O Autoclaves HAUPTMERKMALE Druckbegrenzer mit Ruckstellung aussen ♦ Fuhler: Membrane 50...1000 mbar ♦ Ausgang: 1 potentialfreier Umschaltkontakt (SPDT) ♦ Schaltdifferenz: nicht einstellbar Limiteur de pression avec rearement exterieur ♦ Capteur: Membrane 50...1000 mbar ♦ Sortie: 1 inverseur libre de potentiel (SPDT) ♦ Differentiel de l’interrupteur: non ajustable MAIN CHARACTERISTICS Pressure limiter with external resetting ♦ Sensor: Membrane 50...1000 mbar ♦ Output: 1 floating change-over contact (SPDT) ♦ Switching differential: not adjustable AVANTAGES PRINCIPAUX MAIN FEATURES ♦ Robustes Alu-Gehause ♦ Schutzart IP 65 ♦ Beliebige Einbaulage ♦ BoTtier robuste en aluminium ♦ Protection IP 65 ♦ Montage toutes positions ♦ Rugged aluminium housing ♦ Protection IP 65 ♦ Any mounting position possible ANDERUNGEN VORBEHALTEN - SOUS RESERVE DE MODIFICATIONS - SUBJECT TO CHANGE

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901/902/905/906 MEMBRANE LIMI-PRESSOSTAT-2

BESTELLINFORMATION / INFORMATION POUR LA COMMANDE / ORDERING INFORMATION Varianten Code/ Codification de variantes/ Custom build code Mit Anzeige; Begrenzer steigend; mit Verstell-Schraube Avec affichage; limiteur par hausse; réglage par vis With display; limiter for increasing pressure; with adjusting screw Ohne Anzeige; Begrenzer steigend; mit Verstell-Schraube Sans affichage; limiteur par hausse; réglage par vis Without display; limiter for increasing pressure; with adjusting screw Mit Anzeige; Begrenzer sinkend; mit Verstell-Schraube Avec affichage; limiteur par baisse; réglage par vis With...

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901/902/905/906 MEMBRANE LIMI-PRESSOSTAT-3

SPECIFICATIONS SPECIFICATIONS HAUPTMERKMALE Fuhler: Membrane Ausgang: potentialfreier Umschaltkontakt Schaltdifferenz: nicht einstellbar Capteur: Membrane Plage de mesure: 30...600 et 50...1000 mbar Sortie: inverseur libre de potentiel Differentiel de l'interrupteur: non ajustable Sensor: Membrane Measuring range: 30...600 and 50...1000 mbar Output: floating change-over contact Switching differential: not adjustable Reproduzierbarkeit Fuhler: Skalengenauigkeit: Schaltdifferenz : Einstellbereich Schaltpunkt: PRECISION (@ 20°C) Reproductibilite capteur: ± 1.0 % E.M. typ. Differentiel de l'interrupteur:...

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901/902/905/906 MEMBRANE LIMI-PRESSOSTAT-4

It ci fagsensors ^[►controls ELEKTRISCHE DATEN SCHALTER / SPECIFICATIONS ELECTRIQUES DE L'INTERRUPTEUR / ELECTRICAL DATA SWITCH 2) Ohmsche Last (Induktive Last) Charge ohmique (Charge inductive) Resistive Load (Inductive Load) Begrenzer/ Limiter/ Limiter ? Begrenzer/ Limiter/ Limiter \ MASSBILDER / COTES D'ENCOMBREMENT / DIMENSIONS ZUBEHOR / ACCESOIRES / ACCESSORIES ANDERUNGEN VORBEHALTEN - SOUS RESERVE DE MODIFICATIONS - SUBJECT TO CHANGE

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