R13-930 DC Emergency Stop Switches Shin-Chin R13-930 DC Emergency Stop Switches offer an IP56 rating when supplied with panel seal, an EPDM waterproof gasket, and a transparent red PC pushbutton in ø30mm and ø40mm sizes. The switches feature a 21A, 14VDC rating with a contact resistance of 50mΩ maximum and operate in a -20°C to +85°C temperature range. These emergency stop switches are designed for industrial applications and security systems.