snippet: Siemens - 3TB4717-0A motor starters - contactorsThe Siemens 3TB4717-0A is a 3-phase IEC rated contactor used for the control of electric motors. It is rated 20 HP at 230V and 50 HP at 460V. Conforms to IEC 60946 AC Operating Coil Voltage: Options listed belowOther 3TB Contactors Overload Relays: 3UA58 Bimetal Overload

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