3MT8040-1AC24 Siemens Contactor AC-3 40A/18.5kW 400V Size S2 Original Brand New

3MT8040-1AC24

Siemens Contactor AC-3,40A/18.5kW,400V, 2NO2NC, 24 VAC, 50/60 Hz, 3-pole, size S2,screw terminal

Overview

Siemens 3MT8040‑1AC24 is a classic Size S2 power contactor from the legacy SIRIUS 3RT1 series crafted for AC‑3 motor-control applications. It is rated at 40 A and capable of handling motors up to 18.5 kW at 400 V, making it ideal for medium-duty systems like pumps, fans, and conveyors. Equipped with robust screw-type M6 main terminals, the contactor meets IEC 60947 standards for insulation (up to 690 V) and surge protection (6 kV), and provides front-side IP20 protection (terminals IP00).

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