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Instruction PST4 9B4

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Instruction PST4 9B4

Product catalog summary

Temperature Specifications

Medium temperature range: -25°C to +125°C
Operating temperature range: -25°C to +85°C
Storage temperature range: -40°C to +85°C

Protection and Electrical Connection

Protection rating: IP65, valid only with properly mounted female connector according to instructions
Electrical connection details provided, including torque specifications for connector screws (max. 0.4 Nm)

Switch Contact Types and Ratings

Type 33: Silver contacts with switching capacities:
- AC: 240 V 6 (2) A, 110 V 0.4 (0.25) A, 48 V 2 (1) A, 24 V 6 (3) A, 12 V 6 (6) A
- DC: 220 V 0.2 (0.1) A
Type 35: Gold-plated contacts suitable for intrinsically safe control circuits with max 30 V, 0.3 A and minimum 4 V, 1 mA

Mechanical and Mounting Details

Pressure connection: G 1/4" x 11
O-Ring specifications:
- ≥ 250 bar: FKM 90° Shore hardness
- < 250 bar: FKM 75° Shore hardness
Mounting torque:
- Pressure connection G 1/4": 32 to 40 Nm
- Fastening screw M5: 4.5 to 6 Nm
- Connector center screw: max. 0.4 Nm
Fastening screw property class: 8.8

Operating Pressure and Measurement Range

Measurement ranges from 1 to 100 bar (various ranges like 0...4, 1...16, 2...25 bar etc.)
Maximum allowable operating pressures vary by model, e.g., bellows type max 12 to 50 bar depending on range
Typical switching differentials for bellows types 33/35 range from 0.3 to 1.8 bar

Additional Notes

Hysteresis depends on the preset setpoint value
Manufacturer reserves the right to make technical changes
Contact details for Trafag AG provided for further information

Catalog excerpts

Betriebsanleitung Mode d'emploi Instructions Massbilder / Cotes d'encombrement / Dimensions Schutzart / Protection / Protection IP65 1) 1) nur mit vorschriftsmässig montierter Kabeldose gültig valable seulement avec fiche femelle montée selon instructions provided female connector is mounted according to instructions Elektrischer Anschluss / Raccordement électrique / Electrical connection Typ Merkmale Schaltleistung 1) Type Caractéristiques Pouvoir de coupure Type Features Rating AC DC 33 Silberkontakte 240 V 6 (2) A 220 V 0.2 (0.1) A Contact en argent 110 V 0.4 (0.25) A Silver contacts 48 V 2 (1) A 24 V 6 (3) A 12 V 6 (6) A 35 Mit Goldkontakten max. 30V 0.3 A (geeignet für eigensichere Schaltkreise) min. 4V 1 mA Avec contacts dorés (approprié aux circuits de côntrole à sécurité intrinsèque) Gold plated contacts (suitable for intrinsically safe control circuits) Ohmsche Last (Induktive Last) Charge ohmique (Charge inductive) Resistive Load (Inductive Load) Betriebstemperatur / Température de service / Operating temperature – 25°C ... + 85°C Messstoff-Temperatur / Température de médium / Medium temperature – 25°C ... + 125°C Lagertemperatur / Température de stockage / Storage temperature – 40°C ... + 85°C Trafag AG Industriestrasse 11 CH-8608 Bubikon

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Betriebsdruck / Pression de functionnement / Operating pressure 0...4 Messbereich / Plage / Range Balg, soufflet Schaltdifferenz typ. Schalter 33/35 ) Höchstzul. Betriebsdruck / pression maximum admissible / maximum working pressure Druckanschluss / Raccord de pression / Pressure connection 1) Anziehdrehmoment: Couple de serrage: Torque moment: 2) O-Ring: ø 6.75x1.78 o ≥ 250 bar FKM 90 Shore o < 250 bar FKM 75 Shore 3) Befestigungs-Schraube: Vis de fixation: M5 Fastening screw: Festigkeitsklasse: Classe de résistance: Property class: Anziehdrehmoment: Couple de serrage: Mounting torque: Druckanschluss...

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