3MT8040-1AG20 Siemens Contactor AC-3 40A/18.5kW 400V size S2 Original Brand New

3MT8040-1AG20

Siemens Contactor AC-3,40A/18.5kW,400V, 110 VAC, 50/60 Hz, 3-pole, size S2,screw terminal

Overview

Siemens 3MT8040-1AG20 is a durable and compact AC-3 contactor from the SIRIUS series, specifically designed for reliable switching of motors and industrial loads. With a current rating of 40 A and a power handling capacity of up to 18.5 kW at 400 V, it is ideally suited for medium-duty applications such as compressors, fans, pumps, and conveyors. It features a 3-pole configuration with screw terminal connections, ensuring robust and secure wiring for both main and control circuits. The integrated auxiliary contacts (1 NO + 1 NC) allow for flexible control logic, such as interlocking or status feedback. Its 110 V AC coil (denoted by the AG20 suffix) is compatible with commonly used control voltages in industrial environments.

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