snippet: Siemens Sirius- 3RT1056-66 motor starters - contactors The Siemens 3RT1056-6...6 / 3RT1056-6A is a 3-phase IEC rated contactor used for the control of electric motors. It is rated 75 HP at 230V and 150 HP at 460V. Conforms to IEC 60947-4-1 3ZX1012-0RT05-1AA1 Options listed belowOther 3RT Contactors Tools Required: Pozi (Page 1)