GEA Bock HG8 Series - Page 19

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In the factory the motor is wired for direct starting at high voltage.
The brides are to be removed for star delta starting at low voltage.
230 V Δ
Direct start Star-delta-start
400 V Y
Direct start only
5| Electrical connection
Star-delta start-up is only possible for ∆ (230 V) power supply. Example: