About Trafag PST4M 9M4 Electronic Pressure Switch
Trafag’s electromechanical pressure switches, also known as pressostats, which can be operated maintenance-free for decades, even under harsh conditions. Various versions with bellows, diaphragm and piston sensors cover a wide range of pressure ranges, media and load profiles for the most diverse applications.
Description Of PST4M 9M4 Electronic Pressure Switch
The 9M4 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.

The PST4M 9M4 Picostat Pressure Switch is a high-performance device engineered for precise pressure monitoring and control in demanding applications. It is particularly well-suited for industries such as shipbuilding, engine manufacturing, railways, machine tools, and hydraulics.
This pressure switch features a compact design and rugged housing, ensuring durability and reliability even in harsh environments. It offers protection against dust and water ingress with an IP65 rating, making it suitable for outdoor and industrial settings. The device can be installed in any position, providing versatility in system design and installation.
Feature Of PST4M 9M4 Electronic Pressure Switch
- Compact design
- Rugged housing
- Protection IP65
- Any mounting position possible
Sources : www.trafag.com
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