3MT8040-1AG04 Siemens Contactor AC-3 40A/18.5kW 400V Size S2 Original Brand New

3MT8040-1AG04

Siemens Contactor AC-3,40A/18.5kW,400V, 2NO2NC, 36 VAC, 50 Hz, 3-pole, size S2,screw terminal

Overview

Siemens 3MT8040‑1AG04 is a Size S2 power contactor from the legacy SIRIUS 3RT1 series, purpose-built for AC‑3 motor‑control duty with a nominal rating of 40 A and support for motor power up to 18.5 kW at 400 V. It features screw‑type M6 main terminals that adhere to IEC 60947 for reliable conduction, and its insulation system is rated for 690 V, with robust surge immunity up to 6 kV. The contactor provides front-side IP20 protection (terminals are IP00), and is capable of enduring approximately 10 million mechanical switching cycles under no-load conditions

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