Square D 9001KR25R Mushroom Head Push Button Switch

The Square D 9001KR25R Mushroom Head Push Button Switch delivers reliable momentary control for start/stop operations in industrial control panels and automation equipment, designed for use with Harmony 9001K 30 mm pilot devices and favored by maintenance technicians and system integrators for equipment repair, retrofit, or replacement of worn pushbutton operators. This 30 mm panel-mount operator is red, non-illuminated, with a mushroom head (57 mm) and a chromium-plated metal bezel; its mounting diameter is 30 mm and head diameter 57 mm. It pairs with Harmony 9001K contact blocks (sold separately) and offers enclosure ratings of NEMA 1, 2, 3, 3R, 4, 6, 12, 13 and IP66, making it suitable for harsh environments with dust, water, oil, vibration, and impact resistance. Typical applications include industrial control panels, motor control centers, machine tools, process control equipment, packaging equipment, and operator stations. As part of the Harmony 9001K family, the 9001KR25R is a common replacement choice, with compatible alternatives including Square D 9001KR24R, 9001KR26R.