TD porcelain terminal blocks 1.Voltage:660V 2.Current:15A 3.Bolt diameter:M3 3.Cross-sectional area:1.5mm2 TD terminal block, 15A,20A,30A,60A,100A,Modular terminal blocks, according to different currents and different needs of random bits of wiring combinations, using a more.TD-15101.Voltage:660V2.Current:15A3.Bolt diameter:M33.Cross-sectional area:1.5mm2