3MT8018-1AL23 Siemens Contactor AC-3 18A/7.5kW 400V size S0 Original Brand New

3MT8018-1AL23

Siemens Contactor AC-3, 18A/7.5kW,400V, 1NO1NC, AC 230V, 50/60Hz, size S0, screw terminal

Overview

Siemens 3MT8018‑1AL23 is a compact yet robust Size S0 SIRIUS contactor designed for AC‑3 motor control, rated at 18 A continuous current, capable of switching motors up to 7.5 kW at 400 V. As part of the SIRIUS modular series, it features a three-pole design with screw-type main terminals, offering durable, low-resistance connections for reliable handling of motor inrush currents. Designed for versatile control logic and system feedback, it includes an auxiliary contact block—typically offering configurations like 2 NO + 2 NC (or sometimes 1 NO + 1 NC depending on suffix variations).

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