Description: Percentage probability of error-free operation over the period of time specified under the reliability period under specified environmental conditions; Name: reliability according to standards
Description: Percent probability of a fault-free operation over the period of time specified under the reliability period under specified environmental conditions; Name: Reliability according to norm
Description: Classification of electrical and not electrical operating supplies according to the explosion capable atmosphere in which they are provided for use; Name: Explosion protection-device group of the complete device