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Transformers
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Astor Enerji A.Ş.
Power Transformers
General TransformersPower transformers are designed and manufactured to customer requirements and national/international standards (IEC, IEEE, etc.) for voltages of 72.5 kV and above and ratings of 5 MVA and higher. ASTOR has capacity up to 800 kV and 1000 MVA; R&D work includes 400 kV / 250 MVA autotransformers. Windings use copper conductors (paper-covered flat wire and CTC); cooling options include ONAN/ONAF, OFAF and ODAF.
Ankara · Ankara Sanayi Odasi 2.ve 3. Organized Industrial Zone
Astor Enerji A.Ş.
Oil Type Distribution Transformers
Distribution TransformerOil type distribution transformers convert voltages for energy distribution up to 36 kV and 5000 kVA, with heat removed through transformer oil. Hermetic models are produced from 25–5000 kVA up to 36 kV, single or three phase, ONAN cooled, with off-load or on-load tap changers; conservator types use silica gel for moisture control.
Ankara · Ankara Sanayi Odasi 2.ve 3. Organized Industrial Zone
Astor Enerji A.Ş.
Dry Type Transformers
Distribution TransformerIn dry-type distribution transformers, HV windings are vacuum-cast in epoxy resin; LV windings may use cast resin or prepreg. Astor Enerji produces dry-type units from 25 kVA to 25,000 kVA up to 36 kV with AN or AF cooling; fans allow up to 40% power increase. Ranges follow MLZ, IEC and EN 50588-1 (EU548_2014) voltage series.
Ankara · Ankara Sanayi Odasi 2.ve 3. Organized Industrial Zone
MBT Trafo
Transformer Tanks
General TransformersWelded steel tanks for distribution and power transformers. Material grade S235JR / S355JR; sheet thickness 3–12 mm; dimension range 600×400×800 – 3000×2000×2500 mm; compatible rating 50–2500 kVA. Surface preparation abrasive blasting Sa 2½ (ISO 8501-1); coating system epoxy primer + polyurethane topcoat, dry film thickness 120 µm. Tests: leak test 0.5 bar / 24 hours, vacuum 1 mbar, coating thickness measurement. Standards: EN 10025-2, ISO 8501-1, IEC 60076, ISO 9001.
Ankara · Alcı Organized Industrial Zone
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Astor Enerji A.Ş.
Special / Industrial Transformer Manufacturing
OEM and Custom Transformer ManufacturingIndustrial transformers for special duty—high currents, voltages and reactive loads—are engineered for each application. The portfolio includes railway catenary autotransformers, arc-furnace transformers, rectifier transformers, phase-shifting transformers and magnetically controlled shunt reactors, each designed for high harmonic, thermal and mechanical stress.
Ankara · Ankara Sanayi Odasi 2.ve 3. Organized Industrial Zone
MBT Trafo
Special Design Tanks
OEM and Custom Transformer ManufacturingBespoke single-piece manufacturing to customer drawings. Material grade S235JR / S355JR; sheet thickness 3–20 mm; dimension range to customer drawing; rating project-specific. Surface preparation abrasive blasting Sa 2½ (ISO 8501-1); coating epoxy primer + polyurethane topcoat, dry film thickness 120 µm. Leak test 0.5 bar / 24 hours, vacuum 1 mbar and coating thickness measurement are applied. Standards: EN 10025-2, ISO 8501-1, IEC 60076, ISO 9001.
Ankara · Alcı Organized Industrial Zone
STD Transformatör Makine Teknoloji İnşaat Dış Ticaret ve Sanayi Ltd. Şti.
24/7 Emergency Response
OEM and Custom Transformer ManufacturingImmediate response to faults at facilities; intervention within at most 1 day. Fast resolution is targeted for all test and commissioning work.
Adana · Adana Haci Sabanci Organized Industrial Zone
STD Transformatör Makine Teknoloji İnşaat Dış Ticaret ve Sanayi Ltd. Şti.
Transformer Maintenance Service
OEM and Custom Transformer ManufacturingAverage transformer service life is 20–30 years; with 6-month or annual maintenance it can exceed 40 years. Periodic maintenance is provided with advanced test equipment and expert staff.
Adana · Adana Haci Sabanci Organized Industrial Zone
STD Transformatör Makine Teknoloji İnşaat Dış Ticaret ve Sanayi Ltd. Şti.
Transformer Assembly and Disassembly
OEM and Custom Transformer ManufacturingMechanical assembly, vacuuming, oil treatment, electrical and chemical tests of power and distribution transformers are performed by expert staff, including field tests and commissioning. Service is provided on-site or in-plant with mobile maintenance team and specialized vehicles.
Adana · Adana Haci Sabanci Organized Industrial Zone
MBB Trafo
Custom Winding and Coil Work
OEM and Custom Transformer ManufacturingCustom winding and coil work covers transformer rewind, enamelled-wire coil manufacture and repair. Failed or end-of-life units can be assessed for winding replacement. Power, voltage and insulation class follow the existing core or a new design. Workshop-based special manufacturing and overhaul.
İstanbul · Tuzla Organized Industrial Zone
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MBB Trafo
Used Transformer Supply
General TransformersSupply of used or refurbished distribution and power transformers. Ratings, voltage and physical condition are checked before matching stock or sources. Overhaul, oil analysis or rewind needs are assessed separately. Useful for budget spare units and temporary supply.
İstanbul · Tuzla Organized Industrial Zone
MBB Trafo
New Transformer Supply
General TransformersSupply of brand-new distribution and power transformers, covering dry-type, oil-immersed and hermetic options. Power, voltage and connection group are matched to the buyer specification. Factory tests and documentation can be planned before delivery. Suited to industrial plants, construction feeds and grid renewal projects.
İstanbul · Tuzla Organized Industrial Zone
MBB Trafo
Hermetically Sealed Transformer Manufacturing
Distribution TransformerHermetically sealed oil-filled distribution transformers are built in a fully closed tank, typically with a gas cushion instead of an open conservator. They tolerate outdoor moisture and contamination better. Common on distribution feeders and industrial supply points. Rating and voltage class follow the project brief.
İstanbul · Tuzla Organized Industrial Zone
MBB Trafo
Oil-Immersed Transformer Manufacturing
Distribution TransformerOil-immersed distribution and power transformers use mineral or dielectric oil for cooling the windings. They serve utility feeders, industrial plants and OSB substations. Power rating, voltage ratio and vector group follow the order specification. Tank, radiators and protection gear are selected per application.
İstanbul · Tuzla Organized Industrial Zone
MBB Trafo
Dry Type Transformer Manufacturing
Distribution TransformerMBB Trafo manufactures dry-type (cast-resin / isolated) distribution transformers. Typical ratings serve LV/MV distribution panels in ventilated or indoor switchgear rooms. Oil-free construction suits sites with stricter fire constraints. Units are built to the buyer’s voltage, power and protection-class specification.
İstanbul · Tuzla Organized Industrial Zone
MBB Trafo
Cast Resin Dry-Type Transformer (5 kVA – 3150 kVA)
Distribution TransformerMBB Cast Resin Dry-Type Transformers are engineered to deliver maximum safety, energy efficiency, and reliable performance for industrial facilities, commercial buildings, hospitals, data centers, renewable energy plants, and critical infrastructure.The epoxy resin insulated windings provide excellent resistance against moisture, dust, chemicals, and harsh environmental conditions. Their oil-free construction minimizes fire risk while significantly reducing maintenance requirements.Manufactured according to IEC 60076-11, MBB dry-type transformers ensure low losses, high efficiency, and long operational life.Technical SpecificationsPower Rating: 5 kVA – 3150 kVAVoltage Class: Up to 36 kVFrequency: 50 / 60 HzInsulation: Cast ResinCooling: AN / AFProtection Class: IP00 – IP23 (Optional)Low-loss designMaintenance-free operationLow noise levelManufactured according to IEC 60076-11ApplicationsIndustrial PlantsManufacturing FacilitiesData CentersHospitalsShopping MallsHotelsMetro & Railway SystemsWind Power PlantsSolar Power PlantsPublic BuildingsCommercial ComplexesHigh-Rise Buildings
İstanbul · Tuzla Organized Industrial Zone
MBB Trafo
Hermetically Sealed Oil-Immersed Distribution Transformer
Distribution TransformerMBB Hermetically Sealed Oil-Immersed Distribution Transformers are manufactured in accordance with international standards to deliver high energy efficiency, long service life, and reliable performance.The hermetically sealed tank prevents the insulating oil from contacting ambient air, minimizing moisture ingress and extending transformer lifetime while reducing maintenance requirements. These transformers are ideal for industrial plants, power distribution networks, commercial buildings, infrastructure projects, and renewable energy applications.FeaturesPower ratings from 50 kVA to 5000 kVAOperating voltage up to 36 kVLow-loss, high-efficiency designMaintenance-free hermetically sealed constructionManufactured in accordance with IEC 60076High short-circuit withstand capabilityReliable, long-lasting performance for demanding applications
İstanbul · Tuzla Organized Industrial Zone
Astor Enerji A.Ş.
Power Transformers
General TransformersPower transformers are designed and manufactured to customer requirements and national/international standards (IEC, IEEE, etc.) for voltages of 72.5 kV and above and ratings of 5 MVA and higher. ASTOR has capacity up to 800 kV and 1000 MVA; R&D work includes 400 kV / 250 MVA autotransformers. Windings use copper conductors (paper-covered flat wire and CTC); cooling options include ONAN/ONAF, OFAF and ODAF.
Ankara · Ankara Sanayi Odasi 2.ve 3. Organized Industrial Zone
Astor Enerji A.Ş.
Oil Type Distribution Transformers
Distribution TransformerOil type distribution transformers convert voltages for energy distribution up to 36 kV and 5000 kVA, with heat removed through transformer oil. Hermetic models are produced from 25–5000 kVA up to 36 kV, single or three phase, ONAN cooled, with off-load or on-load tap changers; conservator types use silica gel for moisture control.
Ankara · Ankara Sanayi Odasi 2.ve 3. Organized Industrial Zone
Astor Enerji A.Ş.
Dry Type Transformers
Distribution TransformerIn dry-type distribution transformers, HV windings are vacuum-cast in epoxy resin; LV windings may use cast resin or prepreg. Astor Enerji produces dry-type units from 25 kVA to 25,000 kVA up to 36 kV with AN or AF cooling; fans allow up to 40% power increase. Ranges follow MLZ, IEC and EN 50588-1 (EU548_2014) voltage series.
Ankara · Ankara Sanayi Odasi 2.ve 3. Organized Industrial Zone
MBT Trafo
Transformer Tanks
General TransformersWelded steel tanks for distribution and power transformers. Material grade S235JR / S355JR; sheet thickness 3–12 mm; dimension range 600×400×800 – 3000×2000×2500 mm; compatible rating 50–2500 kVA. Surface preparation abrasive blasting Sa 2½ (ISO 8501-1); coating system epoxy primer + polyurethane topcoat, dry film thickness 120 µm. Tests: leak test 0.5 bar / 24 hours, vacuum 1 mbar, coating thickness measurement. Standards: EN 10025-2, ISO 8501-1, IEC 60076, ISO 9001.
Ankara · Alcı Organized Industrial Zone
Isoland Metal
Flat Enamelled Copper Conductor
Winding WireFlat enamelled copper conductor is the standard solution for winding designs that need high fill factor with thin insulation. The coating is a polyesterimide base with a polyamide-imide topcoat; supplied to IEC 60317-0-2 Class 200 (N), 2.00–16.00 mm width and Grade 1-2-3 build options. Conductor material is electrolytic copper (Cu-ETP, 99.9%); cross-section roughly 1.50–90.00 mm²; shipped with IEC 60851 test report and EN 10204 3.1 certificate on request.
Ankara · Alcı Organized Industrial Zone
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MBB Trafo
Custom Winding and Coil Work
OEM and Custom Transformer ManufacturingCustom winding and coil work covers transformer rewind, enamelled-wire coil manufacture and repair. Failed or end-of-life units can be assessed for winding replacement. Power, voltage and insulation class follow the existing core or a new design. Workshop-based special manufacturing and overhaul.
İstanbul · Tuzla Organized Industrial Zone
MBB Trafo
Custom Transformer Manufacturing
OEM and Custom Transformer ManufacturingMBB Trafo builds custom power and distribution transformers to the buyer specification. Voltage ratio, vector group, impedance, protection class and mechanical envelope are set per project. Dry-type, oil-immersed or hermetic designs can be selected. Aimed at OEM and special-build needs.
İstanbul · Tuzla Organized Industrial Zone
MBB Trafo
Transformer Buy and Sell
OEM and Custom Transformer ManufacturingBuy-and-sell service for new and used distribution/power transformers. Buyer needs are filtered by power, voltage and type (dry, oil, hermetic). Seller stock or dismantling sources are assessed. Supports fast spare cover and plant or grid renewal projects.
İstanbul · Tuzla Organized Industrial Zone
Astor Enerji A.Ş.
Special / Industrial Transformer Manufacturing
OEM and Custom Transformer ManufacturingIndustrial transformers for special duty—high currents, voltages and reactive loads—are engineered for each application. The portfolio includes railway catenary autotransformers, arc-furnace transformers, rectifier transformers, phase-shifting transformers and magnetically controlled shunt reactors, each designed for high harmonic, thermal and mechanical stress.
Ankara · Ankara Sanayi Odasi 2.ve 3. Organized Industrial Zone
MBT Trafo
Special Design Tanks
OEM and Custom Transformer ManufacturingBespoke single-piece manufacturing to customer drawings. Material grade S235JR / S355JR; sheet thickness 3–20 mm; dimension range to customer drawing; rating project-specific. Surface preparation abrasive blasting Sa 2½ (ISO 8501-1); coating epoxy primer + polyurethane topcoat, dry film thickness 120 µm. Leak test 0.5 bar / 24 hours, vacuum 1 mbar and coating thickness measurement are applied. Standards: EN 10025-2, ISO 8501-1, IEC 60076, ISO 9001.
Ankara · Alcı Organized Industrial Zone
STD Transformatör Makine Teknoloji İnşaat Dış Ticaret ve Sanayi Ltd. Şti.
24/7 Emergency Response
OEM and Custom Transformer ManufacturingImmediate response to faults at facilities; intervention within at most 1 day. Fast resolution is targeted for all test and commissioning work.
Adana · Adana Haci Sabanci Organized Industrial Zone
STD Transformatör Makine Teknoloji İnşaat Dış Ticaret ve Sanayi Ltd. Şti.
Transformer Maintenance Service
OEM and Custom Transformer ManufacturingAverage transformer service life is 20–30 years; with 6-month or annual maintenance it can exceed 40 years. Periodic maintenance is provided with advanced test equipment and expert staff.
Adana · Adana Haci Sabanci Organized Industrial Zone
STD Transformatör Makine Teknoloji İnşaat Dış Ticaret ve Sanayi Ltd. Şti.
Transformer Assembly and Disassembly
OEM and Custom Transformer ManufacturingMechanical assembly, vacuuming, oil treatment, electrical and chemical tests of power and distribution transformers are performed by expert staff, including field tests and commissioning. Service is provided on-site or in-plant with mobile maintenance team and specialized vehicles.
Adana · Adana Haci Sabanci Organized Industrial Zone
Aslan Elektronik Sanayi ve Ticaret A.Ş.
Transformer Testing and Quality
OEM and Custom Transformer ManufacturingQuality policy is stated to rest on continuous improvement and full customer satisfaction. Quality is a separate corporate page. Harmonic-filter and shunt-reactor series are among the produced groups. Email is [email protected].
İstanbul · Ikitelli Organized Industrial Zone
Aslan Elektronik Sanayi ve Ticaret A.Ş.
Custom Coil and SMPS Production
OEM and Custom Transformer ManufacturingAbout states the range is transformers, coils and SMPS power supplies. The menu has toroid coils, SMPS transformers, DR coils and line filters. A 20,000 m² modern production plant is stated. Founding year is 1986.
İstanbul · Ikitelli Organized Industrial Zone
Aslan Elektronik Sanayi ve Ticaret A.Ş.
OEM Transformer Manufacturing
OEM and Custom Transformer ManufacturingAbout states that solutions for customers’ special needs are developed alongside standard products. PCB EE/EI series are listed with power ranges from 0.35 VA to EI 96. An experienced engineering staff and R&D are emphasised. The head office is İkitelli OSB Çevre Sanayi 10th Block No:10 Başakşehir.
İstanbul · Ikitelli Organized Industrial Zone
Ep-co Elektronik
Laminated-Core Transformer Manufacturing
OEM and Custom Transformer ManufacturingLaminated-core transformer manufacturing is among the services. Power and size follow the request. Produced or applied at the İkitelli OSB plant; size and capacity follow the published range and the customer request.
İstanbul · Ikitelli Organized Industrial Zone
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