Article Number (Market Facing Number): 3RT20171AK61 | 3RT20171AK61 Product Description: power contactor, AC-3e/AC-3, 12 A, 5.5 kW / 400 V, 3-pole, 110 V AC, 50 Hz / 120 V, 60 Hz, auxiliary contacts: 1 NO, screw terminal, size: S00