2 Engineering2.2 EMC compliance34 DS7 Soft starter 09/16 MN03901001Z-EN www.eaton.com2.2 EMC complianceEMC = Electromagnetic CompatibilityThe IEC EN 60947-4-2 product standards allows for the limit value classesand measurement methods of the IEC/CISPR11 or EN 55011 standard.No other measures are required on the DS7 soft starter for the limitation ofinterference emission in accordance with EN 55011 limit value class A(industrial environment).The devices of the DS7-340… (24 V AC/DC version) series furthermore meetthe requirements of limit value class B (public environment) without anyother measures required.Figure 17: Note in accordance with DIN EN 60947-1 (VDE 0660-100): 2011-10 EN 60947-1:2007 + A1: 2011, paragraph 5.32.3 Network configurationsDS7 soft starters can be used without restriction in the following networkconfigurations:• networks with a earthed or non-earthed center point,• networks with an isolated star point (IT networks),• networks with an earthed phase conductor.NoteThis is a Class A product. In a domestic environment, this device may cause radio interference, inwhich case the user may be required to take adequate measures.