Description: npsh datum plane minus reference plane; Name: npsh datum plane height
Description: Difference between the NPSH datum plane and the reference plane ; Name: Height of the NPSH datum plane
Description: norm/stipulation describing the explosion protection. The explosion protection type, the device category, the temperature class as well as the device / explosion group are taken from this norm. The type and number of the norm/stipulation with issue year and issue month must be given; Name: Reference norm of the explosion protection of the electric motor