3MT8170-1AG07 Siemens Contactor AC-3 170A/90kW 400V size S8 Original Brand New

3MT8170-1AG07

Siemens Contactor AC-3, 170A/90kW,400V, 4NO4NC, 36 VAC, 50 Hz, 3-pole, size S8,screw terminal

Overview

Siemens 3MT8170-1AG07 is a heavy-duty industrial contactor engineered for high-performance motor switching in demanding environments. Designed in the Size S8 long frame, it is rated for AC-3 utilization at 170 A, making it suitable for controlling three-phase motors up to 90 kW at 400 V. Its 3-pole configuration ensures robust handling of power circuits, while the inclusion of auxiliary contacts (typically 2 NO + 2 NC) supports flexible integration into control systems for feedback and interlocking functions. The contactor features screw or busbar terminals for secure electrical connections and is built to comply with IEC 60947-4-1 standards, offering strong dielectric strength, high impulse withstand voltage, and long mechanical endurance—typically rated at 10 million switching operations. With a coil voltage range of 220–240 V AC/DC, it adapts easily into standard automation and control panels.

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