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500kVA Oil-Filled Transformer for Sale in Onne
For Onne, a 500kVA transformer is a utility or plant-room purchase. Oil-filled units are chosen for different sites, so decide the type and the voltage ratio first.

We do not publish a price for a 500kVA transformer, because it swings with type, losses class, copper price and the exchange rate. Send your specification and we will connect you with suppliers who can quote for Onne.
Demand in Onne comes mostly from oil & gas, free trade zone logistics, marine support, including onshore oil and gas yards and offshore support work.
Get an Accurate Quote
Share these details on WhatsApp and we'll match you with the right supplier faster.
- kVA rating and voltage ratio (for example 11/0.415 kV)
- Oil-filled or dry-type
- New or refurbished, with test report
- Indoor or outdoor installation
- Delivery location and required date
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We route your request to vetted equipment and materials suppliers, not random contacts.
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Send your specification once on WhatsApp and get matched with relevant providers.
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Compare pricing and availability from a supplier before you commit to anything.
What to Check Before You Pay
- Nameplate: kVA, voltage ratio (for example 11/0.415 kV or 33/0.415 kV), vector group, impedance and cooling class
- A factory or independent test report: ratio, winding resistance, insulation resistance and load and no-load losses
- Oil breakdown voltage, tank condition, bushings, gaskets and signs of leaks
- Tap-changer type and range, and the accessories included
- Applicable standard, for example IEC 60076, and what the warranty covers
Buying a 500kVA Transformer in Onne
- Demand in Onne comes mostly from oil & gas, free trade zone logistics, marine support, including onshore oil and gas yards and offshore support work.
- Units normally clear through the nearest port and move to site in Onne by low-bed trailer. Ask whether delivery includes offloading, because crane access varies by yard.
- Confirm connection and metering requirements with your distribution company (DisCo) before ordering
Oil-Filled Units
- Mineral-oil cooled (ONAN) units suit outdoor substations and pole or pad installations, and carry a lower price per kVA than dry-type
- Oil needs sampling and testing over the unit's life, and a bund or oil pit under larger units
- Conservator-type units usually carry a Buchholz relay, a thermometer and a pressure relief device
500kVA Oil-Filled Transformer at a Glance (Approximate)
- Rating: 500 kVA, three-phase
- Full-load current on the 415 V side: about 696 A
- Full-load current on the 11 kV side: about 26 A, and about 8.7 A on the 33 kV side
- Vector group Dyn11 and impedance of roughly 4 to 6 percent are common on distribution units. Confirm both on the nameplate and the test report
How to source 500kVA Oil-Filled Transformer for Sale in Onne
Send your requirement on WhatsApp
Tell us what you need (500kVA Oil-Filled Transformer for Sale in Onne), the quantity and your delivery location. One message is enough to start.
We match you with relevant suppliers
We route your request to independent suppliers who deal in this equipment and can serve your location.
Compare quotes and buy direct
Review pricing and availability from the supplier. Contracts, payment and delivery are agreed directly with them, with no obligation to buy.
Frequently Asked Questions
How much does a 500kVA oil-filled transformer cost in Onne?
We do not publish a fixed price, because it moves with condition, hours, specification, delivery and the exchange rate. Send your requirement on WhatsApp and we will get comparable quotes.
Oil-filled or dry-type: which should I buy?
Oil-filled suits outdoor substations and costs less per kVA. Dry-type suits indoor and fire-sensitive sites, because it has no oil, but it needs clean, ventilated space.
What current does a 500kVA transformer carry?
About 696 A on the 415 V side at full load. On the primary side it is about 26 A at 11 kV and about 8.7 A at 33 kV.
Can you help me source a 500kVA transformer in Onne?
Yes. Tell us the voltage ratio, oil-filled or dry-type, new or refurbished and the delivery location in Onne on WhatsApp, and we will connect you with suppliers.
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