IN Terminal Block ul, connector,Specs of IN-20BK 1.Wire Sections: 0.5--4mm2 2.Rated Voltage: 600V 3.Rated Current: 30A IN series ul Terminal Blocks,connectors, include:IN-12BK,IN-13SBK,IN-20BK,IN-30BK,IN-60BK,IN-100BK,IN-200BK,IN-411S etc.Specs of IN-20BK:Wire Sections: 0.5--4mm2Rated Voltage: 600VRated Current: 30A