Picostat Pressure Switch PST4B 9B4

Product catalog summary

Overview
Trafag, a Swiss-based company, is a leading supplier of high-quality sensors and monitoring instruments for pressure and temperature measurement. The Picostat PST4B 9B4 pressure switch is designed for applications in shipbuilding, engine manufacturing, railways, and machine tools. It features improved vibration resistance, a compact design, rugged housing, and IP65 protection, allowing for any mounting position.

Technical Specifications

Measuring Principle: Bellow
Repeatability: ± 0.5% FS typ.
Measuring Range: -0.6 to 3.4 bar up to 4 to 40 bar (-8 to 45 psi up to 60 to 500 psi)
Media Temperature: Standard: –25°C to +125°C; with sensor 789/790/791: –40°C to +125°C
Output Signal: 1 Floating change-over contact (SPDT)
Ambient Temperature: Standard: –25°C to +85°C; with sensor 789/790/791: –40°C to +85°C
Switching Differential: Not adjustable
Approvals/Conformity: ABS, BV, CCS, DNV-GL, KRS, LR, NKK, RINA, RMRS, EN60730-1/EN60730-2-6: Typ 2.B.h

Ordering Information
The product type code is structured as 9B4.XX XX XXX XX XX, with various options for microswitches, ranges, sensor materials, and pressure connections. Standard products are available with extra short lead times.

Environmental and Mechanical Data

Protection: IP65
Humidity: Max. 95% relative
Vibration: IEC/EN 60068-2-6, 10-59 Hz: ±0.75 mm ampl., 59-500 Hz: 5 g
Shock: 50 g / 3 ms
Housing Material: Aluminium EN AW-6026 AlMgSiPb0.4 anodized
Sealing: HNBR, FPM, EPDM
Installation: Any position
Weight: ~160 g

Electrical Data

Microswitch Rating: See table for resistive and inductive load ratings
Resistance of Insulation: 500 VDC > 10 MΩ
Dielectric Strength: >1.5 kV AC/60 s terminal ground, >500 VAC/60 s via open contacts
Electrical Connection: EN175301-803-A (DIN43650-A)

Dimensions and Accessories
Detailed dimensions and accessory options are provided, including various seals and connectors.

Additional Information
Further documentation, including data sheets, instructions, and flyers, can be accessed on Trafag's website.

Catalog excerpts

Swiss based Trafag is a leading international supplier of high quality sensors and monitoring instruments for measurement of pressure and temperature. The 9B4 of the Picostat series is based on our long lasting experience in the shipbuilding and railway sector. This further improved version offers high vibration resistance within a compact body and is suitable for a wide temperature range. Features ■ Shipbuilding ■ engine manufacturing ■ railways ■ Machine tools ■ Improved vibration resistance ■ compact design ■ rugged housing ■ Protection IP65 ■ any mounting position possible Subject to change Data sheet H72367 q 02/2019 Trafag sensors & controls Industriestrasse 11 www.trafag.com [email protected] trcifciq sensors controls

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Ordering information/type code Microswitch Standard 11 Standard t 11 Gold plated contacts 11 Sensor Sensor material Bronze bellow (CuSn6) 2) Bronze bellow (cuSn6) 2) Bronze bellow (cuSn6) 2) Bronze bellow (cuSn6) 2) Bronze bellow (cuSn6) t 3) 4) Bronze bellow (cuSn6) t 3) 4) Bronze bellow (cuSn6) t 3) 4) Bellows stainless steel (1.4404/AISI316L) 4) Bellows stainless steel (1.4404/AISI316L) 4) Sensor housing material Range Pressure G1/8" female connection G1/4" female Accessories Flange with O-Ring 4) Female electrical connector EN 175301-803-A (DIN43650-A) Welsh plug G1/4" Fixing set Covering...

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trofaq sensors ^^controls

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11 Provided female connector is mounted according to instructions 2) Other adjustment ranges upon request trofaq sensors ^^controls

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Diagnostic Valve Bloc (DVB) see specification sheet H72361 trofaq sensors ^^controls Fixing screw: M5; property class: 8.8; torque: 4.5 ... 6 Nm Torque connector center screw: max. 0.4 Nm

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