Motor soft starter STO Series

three-phasecontrol

STO Mid Performance Soft Starter is a cost effective solution to drive three phase squirrel cage induction motors and is available in 3x FLC*, 3.5x FLC, 4x FLC and 4.5x FLC formats and 7 sizes from 48A to 200A. With rotary adjustments on the front, you can change function values such as Initial Voltage, Start Ramp Time and Stop Ramp Time, with ease. This Soft Starter also comes with an internal electronic overload relay and a configurable Kick Start (100, 200 or 300 msec). *FLC = full load current. Soft Starters of this family are designed to control three phase ac motor from 48A to 200A nominal with internal bypass contactor. Technical Specification STO family rotary adjustaments on front unit: – Initial start voltage – Start ramp time – Stop ramp time Kickstart 100, 200 or 300 msec can be configured by DIP switch Internal electronic overload relay Hole mounting from 42 to 200A fixing Modbus RTU standard USB device standard Modbus TCP option Profibus DP option Profinet option Devicenet option