Emergency stop mushroom-head pushbutton, 16 mm, round, plastic, red latching, with rotary release, to ISO 13850. This emergency stop mushroom-head pushbutton SIRIUS 3SB2 complies with DIN EN ISO 13850 for controlling safety-related applications. The 3SB2 pushbuttons and indicator lights are modular, field-proven, and suitable for industrial applications. Their compact design makes them particularly suitable for small operating surfaces. They are highly functional, extremely robust, and comply with IEC/EN 60947-5-1 and 60947-5-5 standards. Installation does not require special tools and allows for high packing density. Note: Please order single unit, holder, and switching elements separately. 3SB2 - space-saving, field-proven, and suitable for industrial applications!.