Axial fans

AC axialS seriesAC axial fansGeneralinformationSpeed setting with AC motorsAC axialK seriesSpeed setting helps to optimise power inputand the flow noise as requested.When selecting a voltage controller, note that the nominal current in thepartial load range can be up to 20 % (depending on the controller) abovethe specified maximum current.AC axialA seriesSeries resistanceL1N0123R1R2CAWASM1~MW– Fixed speed steps– Speed setting via change in motor voltage– Cost-efficient– Small capacitiesNote: Capacitors or chokes reduce the loss capacity.EC axial fansPEL1Tr432CAWASM1~Transformer– Fixed speed steps– Speed setting via change in motor voltageEC axialS series1NMWQ-motorPEPhase-angle controlL1NPETrCAWASM1~MW– Continuous speed setting– Speed setting via change in motor voltage– Cost-efficient– Acoustic performance and warming has to be reviewedin the applicationEC-SYSTEMS ESMFrequency inverter with sine filterL1L2L3T1 T3 T5U+VWT2 T4 T6VASM3~UWAccessoriesTechnology– Continuous speed setting– Speed setting via change in frequency of rotating field– High efficiencyNote: An all-pole sine filter (phase-phase and phase-earth)has to be used.PE415Contacts