Siemens 52PM8B4 Push Button Non-Illuminated Oil Tight

Siemens 52PM8B4 is a 30 mm, oil-tight, non-illuminated pushbutton with a yellow extended-cap actuator, designed for rugged industrial panels. This momentary 2-position switch uses two normally open and two normally closed contacts (2NO-2NC) within a complete metal operator, delivering heavy-duty performance and reliable actuation even when exposed to oil or water. The device carries Class 52 ratings and is UL Listed and CSA Certified, compatible with NEMA 1, 3, 3R, 4, 4X, 12 and 13 enclosures, and features an extended cap for easier accessibility in tight panel spaces. Typical applications include control stations, conveyors, presses, and other industrial machinery where oil exposure is common and a robust, non-illuminated control input is essential, backed by a contact rating framework of A600/P600 for longevity.