Limit Switch Dimensions W x H x D: 30 x 48.5 x 16 mm Operating temperature: -25...+85 °C Switching frequency: 30 operating cycles per minute Actuator button: Top plunger Protection rating: IP67 Service life, electric: 500 000 switching cycles Service life, mechanical: 10 x 10 6 switching cycles Switching contact: 1 Make Contact (NO) / 1 Break Contact (NC) Continuous thermal current: 10 A