3MT8040-1AH23 Siemens Contactor AC-3 40A/18,5kW 400V Size S2 Original Brand New

3MT8040-1AH23

Siemens Contactor AC-3 40A/18,5kW 400V 1NO 1NC, 48 VAC, 50/60 Hz 3-pole, Size S2 Screw terminal

Overview

Siemens 3MT8040-1AH23 contactor is a robust industrial-grade device designed for reliable switching and control of electric motors and other heavy electrical loads. Rated for AC-3 duty, it can handle currents up to 40A and power loads up to 18.5 kW at 400V, making it suitable for medium-sized motor applications. This contactor belongs to the Size S2 category, indicating its moderate physical dimensions and power handling capacity within Siemens’ standardized range. Engineered for durability and efficiency, the 3MT8040-1AH23 ensures smooth operation in industrial automation, manufacturing, and building management systems where frequent switching of motors and resistive loads is required.

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