EMERGENCY STOP mushroom pushbutton, 16 mm, round, plastic, red, latching, with twist release, in accordance with ISO 13850, 1 NC, with yellow backing plate, EMERGENCY STOP EMERGENCY STOP mushroom pushbutton SIRIUS 3SB2 in accordance with DIN EN ISO 13850 for controlling safety-related applications.The 3SB2 pushbuttons and indicator lights are modular, tried and tested in practice and suitable for industrial use. Their small design makes them particularly suitable for small control surfaces. They are highly functional, extremely robust and comply with the standards IEC/EN 60947-5-1 and 60947-5-5. They can be installed without special tools and in high packing density.Note: Complete device, delivery including holder and switching element(s).3SB2 - space-saving, tried and tested in practice and suitable for industrial use!