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: Allocation of equipment, protection systems or components for explosion capable atmospheres according to its maximum surface temperature; Name: Explosion protection-temperature class of the complete device