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PM4978 is listed in the Pressure Sensors Transducers range at ChipApex. The manufacturer field lists Comus International. Its product description is SMALL 25VDC/0.25A ROUND PRESSUR. Review the specifications below when checking this part for your BOM.
The PM4978 is a small, round pressurized switch manufactured by Comus International. It operates on a logic interface with a switching voltage of 25VDC and a current rating of 0.25A. The component is designed for pressure sensing applications within industrial sensor solutions.
Verify the specific datasheet version for the PM4978 to confirm exact pressure ranges and connection types, as generic listings may lack detailed electrical specifications. Ensure compatibility with system voltage limits of 25VDC and current requirements of 0.25A before integration into final designs.
Select the PM4978 when a compact, round form factor is required for pressurized environments. Its 25VDC/0.25A rating suits low-power logic interfaces. Confirm that the physical dimensions and mounting style align with the target enclosure constraints compared to larger rectangular alternatives.
PM4978 belongs to Comus International's portfolio of tilt, tip-over, motion, and vibration sensors. It serves as a specialized pressure sensing component within their broader industrial automation and safety switch lineup, distinct from their magnetic proximity devices.
No public confirmed substitute part numbers are available in the provided documentation. Consult official Comus International catalogs for equivalent models with matching voltage and current ratings.
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