Siemens 3RT1486-6AP36 SIRIUS 3RT.4 contactors for weak or non-inductive loads (AC-1), 3-pole up to 2 650 A. Siemens 3RT1486-6AP36 is the exact printed commercial reference for a contactor / contactor accessory in the SIRIUS 3RT Contactors range. Siemens' official product description is: power contactor AC-1 2100 A / 690 V / 40 °C 3-pole, Uc: 100-240 V AC(50-60 Hz) / 100-220 V DC, drive: conventional auxiliary contacts 2 NO + 2 NC main circuit: busbar control and auxiliary circuit: screw terminal.