Eaton EMS-SWD Series Manual

Also see for EMS Series: Manual

2 Engineering2.1 Fuse protection against short-circuitsElectronic motor starter EMS-...-SWD 12/18 MN034002ZU-DE/EN www.eaton.com 512 Engineering2.1 Fuse protection against short-circuitsFuse protection against short-circuits can be added to a three-phase supplysystem in one of the following ways:Table 4: Fuse protection EMS-…SWD for IEC applicationsTable 5: Fuse protection EMS-… for UL applications2.2 Derating rated operational current (EMS-…-SWD)Depending on the installation situation and the maximum ambient airtemperature, it may be necessary to derate the maximum rated operationalcurrent.Derating is based on the following installation situations:• separate mounting,• connected in series with 30 mm clearance,• without clearance.ProtectivedeviceIq Voltage Type ofcoordination16A gG/gL 50 kA 500 V 130A CCMR 30 50 kA 500 V 1FAZ-B16/3 2.5 kA 400 V 1PKM0-4 50 kA 415 V 1PKM0-6.3 15 kA 415 V 1ProtectivedeviceSCCR Voltage Type ofcoordination20A RK5 5 kA 480 V –30A Class CC 100 kA 480 V – DANGERThe electronic motor starter must be replaced after a short-circuit occurs. It is strictly prohibited to keep using it!