Description: Allocation of explosion-protected electrical operating media according to the max. surface temperature for usage in explosion-capable atmosphere in accordance with (IEC 50(426):1990; Name: electric motor explosion protection temperature class
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
Description: ten times the logarithm to the base 10 of the ratio of the sound power of a source, p, to a reference value, p0, expressed in decibels; Name: sound output level