Description: Ten times the common logarithm of the ratio of sound energy to the reference sound energy of 1 pW·s expressed in decibels.; Name: acoustic energy level
Description: Determined ten times the logarithm to the base 10 of the ratio of the sound energy, j, to a reference value, j0, expressed in decibels; Name: Sound energy level
Description: classifies the scope of the protection of the electromagnetic device against direct contact, against insertion of hard foreign objects and/or infiltration through water; Name: Protection type class of the electric motor