Soft Starters
Overview
Digistart is Control Techniques’ flexible soft starter range for
motor control and protection in constant speed applications. The
Digistart range combines advanced control features with simple
installation and commissioning. Digistart forms an integral part of
our comprehensive product range which covers all of your motor
control needs.
Soft starters are a simple and
economic method of controlling AC motors for fixed speed
applications. Traditional methods of starting motors such as
across-the-line (ATL) or wye-delta result in increased machine wear
through rapid acceleration and very high peak currents. Soft
starters solve this problem through controlling the acceleration
and deceleration phases of operation.
Control Techniques’ Digistart
family offers two levels of functionality to meet all your soft
starter requirements.
3 hp - 150 hp (9 to 200 Amps)
208-480 Volts

The smallest and easiest to use the Digistart CS series sets up
with simple potentiometer adjustments and has one of the smallest
foot prints available and includes comprehensive motor
protection and a built-in bypass contactor, resulting in
significant space savings.
Digistart IS - Full
Featured Soft Starter
3 hp - 2,000 hp (5 to 1600 Amps)
200-440 & 380-690 Volt models

Digistart IS is an intelligent soft starter offering many advanced
features for motors up to 1600A. These features include "Adaptive
control" which provides an unprecedented level of acceleration and
deceleration control, and an intuitive plain language display for
configuration, monitoring and diagnostics.