3MT8205-1AQ07 Siemens Contactor AC-3 205A/110kW 400V size S8 Original Brand New

3MT8205-1AQ07

Siemens Contactor AC-3,205A/110kW,400V, 4NO4NC, 380 VAC, 50 Hz, 3-pole, size S8,screw terminal

Overview

3MT8205‑1AQ07 is a rugged Size S8 SIRIUS contactor designed for AC‑3 motor control, rated to handle 205 A continuous current and switch motors up to 110 kW at 400 V, ideal for large industrial applications like pumps, compressors, and conveyors. Built to IEC 60947‑4‑1 standards, it features a robust three-pole main circuit with screw- or busbar-compatible terminals, providing secure, low‑resistance connections capable of withstanding severe motor inrush currents. The design includes an auxiliary contact block—likely configurable as 1 NO + 1 NC, though it may support 2 NO + 2 NC depending on variant—for use in interlocks, signaling, or control logic. It offers 1 kV insulation, 6 kV surge withstand capability, and IP20 front-end protection, with an impressive mechanical service life of around 10 million switching cycles, even when loaded with add-on modules

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