Weidmuller 1598080000 white TS 32 snap-on mounting feed through terminal is made of ceramic body. The SAKK 4 KER/WS feed through terminal features M3 clamping screw, 22 to 10AWG wire connection cross section, 0.5 to 1Nm tightening torque, 8kV rated impulse withstand voltage and 41A current at maximum wires. Ceramic is an excellent material because it meets all requirements and it is heat resistant, water repellent, spark resistant and certified against leakage current.