3MT8120-1AP04 Siemens Contactor AC-3 120A/55kW 400V Size S6 Original Brand New

3MT8120-1AP04

Siemens Contactor AC-3, 120A/55kW,400V, 2NO2NC, 230 VAC, 50 Hz, 3-pole, size S6,screw terminal

Overview

3MT8120‑1AP04 is a medium-duty three-pole SIRIUS contactor, rated for 80 A continuous current and capable of switching motors up to 37 kW at 400 V, designed for frequent start-stop applications in industrial pumps, conveyors, and fan systems. It features a robust electromechanical design with screw-type main terminals, enabling secure, low-resistance bus-bar connections. The unit includes a 230 V AC coil (50 Hz) and a removable 2 NO + 2 NC auxiliary contact block, ideal for control logic and interlock integration. Fully compliant with IEC 60947‑4‑1, it offers 80 A (AC‑3) / 37 kW switching, 90 A (AC‑1), and 55 A (AC‑4) ratings, alongside mechanical endurance for millions of switching cycles

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