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Transformer sizing calculator

Enter the total load of your site — we will pick the nearest standard rating from the 25…4000 kVA range and show the cost at the factory price list.

Transformer catalogue →

Input datacalculation

Total load, kW 540

Refine parameters cos φ, load factor, reserve — typical values are already set

Power factor cos φ 0,92

Load factor 0,70

Reserve for growth 10%

Required power—

—

—indicative

Price incl. VAT, shipped from the Almaty warehouse. Delivery to site and installation on request.

How we calculate

S = P / (cos φ × K) × (1 + reserve), where K is the load factor. The result is rounded up to the nearest standard rating. The price is taken from the catalogue if it lists such an item.

Get a quote

A quote with prices and terms is generated instantly — you can download the PDF and send it to your manager on WhatsApp.