Emergency stop mushroom pushbutton, 16 mm, round, plastic, red latching, with rotate-to-unlatch mechanism, according to ISO 13850 EMERGENCY STOP mushroom pushbuttons SIRIUS 3SB2 in accordance with EN ISO 13850 for controlling safety-related applications. The industry-standard 3SB2 pushbuttons and indicator lights have a modular design and are proven in practice. Thanks to their compact design, they are particularly suitable for small control panels. They are extremely functional and rugged, and comply with the IEC/EN 60947-5-1 and 60947-5-5 standards. They can be installed with a high packing density and without the need for any special tools. Note: Please order individual device, holder and contact blocks separately. 3SB2 – Space-saving, proven in practice and industry standard!