Stellar SR33 Series Soft Starter Technical Specifications

This document provides technical specifications, features, and model-specific details for the Stellar SR33 series of semiconductor soft starters, which control 3-phase AC induction motors with reduced voltage starting and internal bypass contacts for efficient running. It covers current ratings from 15.5A to 350A, voltage ranges, control power requirements, environmental ratings, accessories, and standards approvals for replacing wye-delta starters.