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300H-3-2-300/2900-111 is listed in the Pressure Sensors Transducers range at ChipApex. The manufacturer field lists NOSHOK, Inc.. Its product description is Mechanical Pressure Switch (SPDT. Review the specifications below when checking this part for your BOM.
The NOSHOK 300H-3-2-300/2900-111 is a compact high-pressure sensor and switch from the 300 series. It features a snap-action mechanism with an adjustment range spanning from vacuum through 4,600 psig. The unit utilizes standard zinc-nickel construction with NBR diaphragm wetted parts. It provides SPST or SPDT switching capabilities with solid silver contacts. The device includes a National Pipe Thread (NPT) male connection for secure installation.
Verify that the specific model number matches the required pressure range and switching configuration. Confirm the process connection type aligns with system requirements. Ensure compatibility with the operating environment regarding the NBR diaphragm material. Check for RoHS compliance status if applicable to your project specifications.
Select this component when a compact form factor is necessary for high-pressure applications. Consider the zinc-nickel construction and NBR diaphragm for suitable chemical compatibility. Evaluate the need for snap-action switching versus continuous transmission. Verify the voltage and current ratings of the solid silver contacts against control circuit requirements.
This part belongs to the NOSHOK 300 series, which focuses on instrumentation mechanical compact high-pressure sensors and switches. The series is designed for demanding industrial environments where space constraints and precise pressure monitoring are critical. It complements other NOSHOK products like the PTI series transmitters.
Public confirmed substitute part numbers: None identified in available documentation.
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