EN 60947-5-1, EN 60947-5-5, EN 954-1, EN 62061, UL 508, ISO 13850, ISO 13849-1. IDEM Plastic Emergency Stop Switch. The ES-P series from IDEM is a standard duty emergency stop switch (E-Stop) designed to provide robust emergency stop protection for machines or exposed conveyors. It is suitable for use within virtually all industry sectors. IP67 polyester housing 3 pole contact blocks provide positively operated switch contacts Conformance to ISO13850, EN60947-5-1 and EN60947-5-5 A special lid safety trip mechanism means that the safety contacts will open if the lid is removed Connects to most safety relays to give up to PLe Cat.4