... NAA, TL, TS 2) D-6P-C Terminal block is Ceramic material. Bakelite is also avaiable.3) Mounting holes distance: 40mm ... 92%Al2O3,99%Al2O3Bakelite material is also available, black colorTerminal block type:4)Ceramic material: talc powder& olefin, 92%Al2O3,99% ... Al2O35)Bakelite material is also available, black color4)Ceramic material: talc powder& olefin, 92%Al2O3,99%Al2O35)Bakelite ...