Phase 2IEC

Soft Starter Sizing Calculator

IEC 60947-4-2 / NEMA ICS 2

Select soft starter current rating, bypass contactor, and motor cable for reduced voltage starting. Covers acceleration torque and current limit settings.

View Guide
Results are for guidance only. All calculations must be verified by a qualified electrical engineer before implementation. Always refer to the applicable local standard and authority having jurisdiction.
Standard:

Calculator Coming Soon

The Soft Starter Sizing Calculator calculator is being built with full IEC 60947-4-2 / NEMA ICS 2 compliance. Input form, calculation engine and PDF export will be available here.

Pro Feature

Export Professional PDF Report

Generate a stamped calculation report with your company logo, methodology notes, standard references, and revision block — ready to submit to clients or authorities.

  • Company logo & branding
  • Standard clause references
  • Methodology & formulas shown
  • Revision block & engineer sign-off

Save This Calculation

Organise calculations by project. Add revision history. Share with your team.

View all 26 calculators