Picostat Pressure Switch PST4K 9K4

Product catalog summary

Overview: The document is a technical datasheet for the PST4K 9K4 pressure switch from Trafag, a Swiss company specializing in high-quality sensors and monitoring instruments. The pressure switch is designed for applications in shipbuilding, engine manufacturing, railways, machine tools, and hydraulics.

Applications and Features:

Compact design with rugged housing.
IP65 protection with plug connector.
Suitable for any mounting position.
High vibration resistance and wide temperature range adaptability.

Technical Specifications:

Measuring principle: Piston with repeatability of ±1.0% FS.
Measuring range: 1 to 400 bar (14 to 5800 psi).
Media temperature: -25°C to +125°C.
Output signal: 1 Floating change-over contact (SPDT).
Ambient temperature: -25°C to +85°C.
Switching differential: Not adjustable.
Approvals: ABS, BV, CCS, DNV-GL, KRS, LRS, RINA, EN60730-1/EN60730-2-6: Typ 2.B.h.

Product Variants: The document lists various product numbers with specific pressure ranges, overpressure limits, and fixed switching differentials. For example, PST4K164 has a pressure range of 1 to 16 bar with an overpressure max of 100 bar.

Ordering Information: The type code structure is provided, detailing options for microswitch types, pressure ranges, sensor materials, and pressure connections.

Environmental and Mechanical Data:

Protection: IP65.
Humidity: Max. 95% relative.
Vibration and shock resistance: IEC/EN 60068-2-6 standards.
Housing material: Anodized aluminum EN AW-6026 AlMgSiPb0.4.
Sealing: PTFE with EPDM housing seal.

Electrical Data:

Microswitch rating: Various ratings for resistive and inductive loads.
Electrical connection: EN175301-803-A (DIN43650-A) with specific cable and terminal screw specifications.

Additional Information: Links to further documents such as data sheets, instructions, and flyers are provided for more detailed information.

Catalog excerpts

Swiss based Trafag is a leading international supplier of high quality sensors and monitoring instruments for measurement of pressure and temperature. The 9K4 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 ■ hydraulics ■ compact design ■ rugged housing ■ Protection IP65 (with plug connector) ■ any mounting position possible Subject to change Data sheet H72369h 05/2019 Trafag sensors & controls Switzerland trcifciq sensors controls

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Ordering information/type code Microswitch Standard 11 Standard t 11 Gold plated contacts 11 Sensor material Pressure G1/8" female connection G1/4" female M10x1 female 2) Accessories Flange with o-Ring 3) Female electrical connector EN 175301-803-A (DIN43650-A) welsh plug G1/4" Fixing set covering cap Lead seal (manipulation protection) Switch point adjustment on customers request Please indicate when ordering: - Switchpoint including measurement unit (kPa, bar, MPa, psi, abs. or rel.) - Increasing or decreasing Damping elements and snubber see data sheet H72258 1 Switching differential not adjustable...

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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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3) Fixing screw: M5; property class: 8.8; torque: 4.5 ... 6 Nm 4) Torque connector center screw: max. 0.4 Nm Diagnostic Valve Bloc (DVB) see specification sheet H72361 trofaq sensors ^^controls

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