Model: SC-03 Product: Magnetic Contactor Voltage: 220 VAC Number of Pole: 3 Thermal Current: 20 Amp Current at 440 vac: 9 Amp Power: 4 KW / 5.5 HP Product series: SC Series Coil frequency: 50/60 (Hz) Number of normally open main contacts: 3 Number of normally open auxiliary contact: 1