Free Engineering Tools – Drive, Cable, Braking, Starter & Protection Calculators
Use our pro-grade calculators used by UK & EU engineers to size VFDs, braking resistors, cables, motor starters and protection devices accurately.
VFD Sizing Calculator
Correctly size VFDs for any motor load.
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Braking Resistor Calculator
Match resistors to dynamic braking duty safely.
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VFD Cable Sizing Calculator
Select the correct cable size for your VFD runs.
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Motor Starter Selection Calculator
Pick DOL, Star-Delta or Soft Starter in seconds.
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Fuse & Breaker Selector
Size MCBs, MCCBs & fuses for motors & VFDs.
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