S811+V85N3S Eaton Soft Starter

The Eaton S811+V85N3S is an intelligent S811+ series soft starter for three-phase motor control in Delta (3-lead) configurations. The 850A, 3P unit uses a V-frame construction and NEMA 0 rating, supporting operation at 200–600 V and 47–63 Hz from a 24 V power supply. Its Modbus RTU connectivity and LCD display with digital interface module provide monitoring and configuration for motor-control installations, including retrofits, wye-delta starters, and across-the-line starters. The compact enclosure accommodates 1–2 conductors sized from #2/0 AWG to 500 kcmil. Built-in overload protection covers a 12–1000 A range, while an integrated run bypass contactor supports installation and setup. The starter is suitable for motors from fractional horsepower through 1000 amps steady-state current.