Buying Guide
⏱ 7 min read
VFD Sizing Guide for Indian Industrial Applications
Learn how to size a VFD correctly for Indian conditions. Our VFD sizing guide India covers current, kW, service factor, and derating. Get ex
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✕ Clear searchPopular Delta VFD Series
Browse drives by series — or shop by HP/kW rating
ME300 Series
General purpose, vector control, PID
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MS300 Series
Premium, built-in PLC, STO safety
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MH300 Series
High performance vector control
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EL-W Series
Compact, economical, OEM favourite
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VP3000 Series
Pumps, fans, HVAC, up to 630 kW
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C2000 Plus
Industrial grade, high overload
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⚙️ Engineering Tools
Calculators and reference tools for VFD selection and sizing
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VFD Size Calculator
Enter motor kW and load type — get the right VFD rating and model recommendations
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HP ↔ kW Converter
Instantly convert between horsepower and kilowatts for motor sizing
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Motor Current Calculator
Calculate full-load current from motor kW, voltage, and power factor
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Energy Saving Calculator
Estimate annual electricity savings and ROI from installing a VFD on pump/fan loads
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Need help selecting a Delta VFD?
Our engineers provide free application guidance — motor sizing, series selection, parameter configuration.