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300kVA Transformer Price in Nigeria: What You Need to Know
A 300kVA transformer is a typical DisCo-style estate or commercial transformer serving several hundred households or a mid-size factory.
Price depends on the copper or aluminium windings, cooling type, voltage class, losses and the maker. We do not advertise a single figure, because it changes with raw material cost and the exchange rate.
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- Capacity in kVA
- Primary voltage (11 kV or 33 kV) and secondary voltage (415 V)
- Oil-filled or dry-type, and indoor or outdoor
- Vector group, such as Dyn11
- New or fairly used, and quantity
- Delivery location and required date
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300kVA Transformer at a Glance
- Low-voltage current at 415 V: about 417 A
- High-voltage current at 11 kV: about 15.7 A
- High-voltage current at 33 kV: about 5.2 A
- Typical impedance: about 4 percent
What Moves the Price
- Copper versus aluminium windings
- Oil-filled versus dry-type construction
- Primary voltage class (11 kV or 33 kV) and tap changer type
- Losses and efficiency class, which affect running cost over years
- Manufacturer, test certificates and delivery distance
Before You Order
- Confirm the incoming supply voltage with the distribution company
- Check the location for access, oil containment and ventilation
- Ask for factory test certificates
- Plan the protection and metering with a qualified electrical engineer
Frequently Asked Questions
How much does a 300kVA transformer cost in Nigeria?
It depends on windings, cooling, voltage class and the manufacturer. Send your requirement on WhatsApp and we will get comparable quotes.
What is the full-load current of a 300kVA transformer?
About 417 A on the 415 V side and about 15.7 A on an 11 kV primary.
Should I choose oil-filled or dry-type?
Oil-filled units are the common choice outdoors and cost less per kVA. Dry-type units suit indoor locations where fire safety and oil containment matter most.
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