Description: Ratio of the conveying power to the power absorbed by the drive; Name: Overall efficiency (of the pump unit)
Description: proportion of the driver power input, pmot, delivered as pump power output, pu; Name: overall efficiency
Description: Allocation of explosion-protected electrical operating media according to their maximum surface temperature for use in explosion-capable atmosphere in accordance with (IEC 50(426):1990; Name: Explosion protection temperature class of the electric motor