Power & distribution transformers, built to your specification.
Oil-immersed distribution and oil-type power transformers — plus dry-type (cast-resin) units for indoor and fire-sensitive sites — matched to your project on rating, voltage, cooling and tap-changing; quoted direct from established manufacturers, so you buy from the maker on better terms.
Core transformer families, plus the parts that go with them.
We source distribution, substation and power transformers to your specification and bring you a quotation direct from the manufacturer. Accessories and spares are specified from the same manufacturer alongside the units. Indicative ranges; final specification confirmed per project against the manufacturer’s documentation.
Distribution transformers
Hermetic or conservator type for utility and private MV/LV distribution networks.
- 25 kVA – 5 MVA
- HV to 36 kV
- IEC / BS EN 60076 · Ecodesign Tier 2
- ENA TS 35-1 on request
Substation transformers
Utility substations, renewables step-down, industrial hubs and commercial sites; compact / unitised options.
- Up to ~50 MVA
- To 36 kV
- Sealed or conservator
- IEC / BS EN 60076
Power transformers
Continuous-duty units for primary substations and heavy industry.
- Up to ~50 MVA · EHV to 150 MVA
- To 132 kV class · EHV to 230 kV
- IEC / BS EN 60076
- Ecodesign Tier 2 (medium / large)
Spares & accessories
Bushings, tap changers, protection and monitoring devices, breathers, valves and fittings — specified from the manufacturer alongside the units.
- Protection & monitoring
- Bushings & cable boxes
- Breathers & valves
- Specified per unit
Specialised & project-specific transformers.
Beyond standard distribution and power, the manufacturer also builds application-specific oil-type transformers — matched to your project and quoted direct. Indicative configurations; specification confirmed per project.
Solar & BESS (inverter-duty) transformers
Inverter-duty step-up for PV plants and battery-storage interfaces; harmonic-robust K-factor windings.
- ~250 kVA – 20 MVA
- Inverter-duty · K-factor windings
- Natural-ester (FR3) fluid option
- IEC 60076
Wind turbine transformers
Tower-base or nacelle-mounted; oil-immersed, or dry-type for the nacelle.
- ~100 kVA – 10 MVA
- Primary 690 V – 1.1 kV
- Oil-immersed or dry-type
- IEC 60076 / 60034
Rectifier / converter-duty transformers
AC–DC duty for industrial drives, traction, electrolysis and data centres.
- 6 / 12 / 24-pulse
- Galvanic isolation · K-rated
- Up to ~25 MVA / 33 kV
- IEC 60076
Earthing / grounding transformers
Establish a neutral point in delta or unearthed MV systems for protection and fault management.
- 100 kVA – 5 MVA · to 36 kV
- Zig-zag / wye-delta
- Arc-suppression option
- IEC 60076 / IEEE
Dry-type (cast-resin) transformers.
A separate, oil-free option for indoor and fire-sensitive installations — where liquid-filled units aren’t suitable. Same direct-from-manufacturer route; specification confirmed per project.
Cast-resin · air-cooled
Built for where oil can’t go.
Vacuum cast coil, maintenance-free, for indoor and pollution-prone sites.
- 100 kVA – 20 MVA
- HV to 36 kV · indoor MV duty
- Vacuum cast coil · maintenance-free
- IEC / BS EN 60076-11 · EN 50708 · Ecodesign Tier 2
Fittings available with the units.
Distribution and power transformers are configured with the fittings below, available from the manufacturer alongside the units. Standard and optional status, and availability, vary by rating and design (conservator vs hermetic) and are confirmed per project against the manufacturer’s documentation.
| Fitting | Provision | Notes |
|---|---|---|
| LV & HV bushings (DIN 42530 / 42531) | Standard | Porcelain; arcing horns on the HV side |
| Plug-in (separable) bushings | Optional | In place of porcelain, on request |
| Off-load tap changer (5-position) | Standard | HV side, switched de-energised |
| On-load tap changer (OLTC) | Optional | For regulated supply under load |
| Buchholz / gas-actuated relay | Optional | Standard on larger conservator units |
| Pressure relief valve | Standard | — |
| Hermetic protection relay (DGPT2) | By design | Hermetically sealed units only |
| Dial thermometer with pocket | Standard | — |
| Oil thermometer with contacts | Optional | Remote alarm / trip output |
| Magnetic oil-level indicator | Standard | With alarm contacts as an option |
| Dehydrating (silica-gel) breather | By design | Conservator (non-hermetic) units |
| Oil drain / sampling valve | Standard | DIN flange sized to rating |
| Earthing terminals | Standard | — |
| Lifting lugs & jacking points | Standard | — |
| Bi-directional rollers | Optional | Reversible wheels |
| Rating & diagram plate | Standard | — |
| Radiator or corrugated-fin tank | Standard | By cooling design |
| Cable box / terminal box (LV / HV) | Optional | In place of open bushings |
| Hot-dip galvanised tank finish | Optional | In place of RAL 7033 paint |
Introducer notice
Namera works as an independent introducer: we connect you with the manufacturer and support the commercial process, and your contract is directly with them. That means the manufacturer — as the producer and seller — stands behind the product itself: specifications, certifications, pricing, warranty, delivery, installation, maintenance, repair and returns are all handled directly between you and the manufacturer, on their documentation and terms. Namera doesn’t manufacture, sell, import or supply the equipment, and isn’t a party to the sale. For anything technical or contractual, the manufacturer’s official documentation is the authority. Namera’s role is the introduction and the commercial support, not the supply of the goods.
Tell us about your project.
Send your requirement and we’ll come back with a specification-matched quotation from the manufacturer.