Oil pressure switch

An oil pressure switch is a component that operates to illuminate a warning lamp when the oil pressure decreases. Oil pressure switches are used in engines such as water-cooled vertical diesel engines.
If the pressure of the lubricant is low when the engine is running, lubrication will be incomplete and may result in seizing or damage.
Oil pressure switches or oil signals are installed to determine whether or not the pressure of the lubricant is normal.

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