7 Connection examples7.3 Size 3 and 4 (41 – 200 A)134 DS7 Soft starter 09/16 MN03901001Z-EN www.eaton.com7.3.3 Standard connection with upstream mains contactor and soft stop rampQ1; F1: cable protectionF2: motor protectionF3 = optional semi-conductorfuse for type 2 coordination inaddition to (optional) Q1K1: Controller enableK3: Start/stopQ11: Mains On/OffQ21: Soft startersFigure 103: Standard connection with mains contactor① Control section for the mains contactor Q11During operation, the deactivation via S1causes an uncontrolled stop of the motor.The RUN relay (Q21:23/24) monitors theswitching operation (no undefined operatingstate).S1 = OffS2 = OnS3 = Soft stopS4 = startFigure 104: Control section with mains contactorM3 ~1L13L25L3PEPETOR- A2 EN + A1 13 14 24232T14T26T3L1L2L3PEQ11Q21F3F2M1K1Q1I > I > I >K3F1RUN- U s + U s(+) U s24 V AC/DC, 120/230 V AC(–) U sK1S2L01/L+L00/L-Q1F2S1S4S3RUNK1K3K1K3①Q11K1 Q21 2324①
