3MT8140-1AM04 Siemens Contactor AC-3 140A/75kW 400V size S6 Original Brand New

3MT8140-1AM04

Siemens Contactor AC-3, 140A/75kW,400V, 2NO2NC, 220 VAC, 50 Hz, 3-pole, size S6,screw terminal

Overview

Siemens 3MT8140-1AM04 is a high-capacity industrial contactor designed for demanding motor control applications, particularly in heavy-duty environments. Rated for AC-3 duty, it supports motor loads up to 140A and 75kW at 400V, making it ideal for controlling large motors in sectors like manufacturing, HVAC, and heavy machinery. Classified as a Size S6 contactor with a “long” housing format, it offers robust construction and ample space for accessory integration such as auxiliary contacts, overload relays, and surge suppressors. Its 3-pole configuration with screw-type terminals ensures secure connections and ease of installation. Engineered to meet international standards, the 3MT8140-1AM04 delivers high mechanical durability and reliable electrical performance over millions of switching cycles.

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