3MT8080-1AF04 Siemens Contactor AC-3 80/37kW 400V Size S3 Original Brand New

3MT8080-1AF04

Siemens Contactor AC-3, 80/37kW, 400V, 2NO2NC, 110 VAC, 50 Hz, 3-pole, size S3,screw terminal

Overview

Siemens 3MT8080-1AF04 is a high-performance AC-3 contactor designed for industrial motor control applications, offering dependable switching capability for motors up to 37 kW at 400 V, with a rated operational current of 80 A. As a Size S3 unit within Siemens’ proven SIRIUS contactor range, it is ideal for controlling and switching three-phase motors in demanding environments. It features a 110 V AC coil (50 Hz) and is equipped with a removable auxiliary contact block (2 NO + 2 NC), providing flexibility for control circuit configurations such as interlocking, signaling, and feedback loops. The contactor utilizes screw-type main terminals, ensuring reliable, vibration-resistant electrical connections, which are particularly important in high-inrush current scenarios typical of motor starting.

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