The WEIDMULLER 8021500000 is a plug-in surge protective device specifically engineered for TS 35 rail systems. This device offers robust protection for power lines against transient overvoltage events. Utilizing a single-stage Metal Oxide Varistor (MOV) technology, it effectively diverts excess voltage, safeguarding connected equipment. Suitable for three-phase, four-wire applications with indicator functionality, this surge protective plug is ideal for industrial control panels, power distribution units, and other sensitive electronic equipment. It supports wire sizes from #10 to 2 AWG and features a secure screw clamp with a tightening torque of 0.5 Nm.