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⚡ German DIN & European EN Certified · Aksaray Erenler OSB Plant

High-Voltage Transformer Accessories & OEM Components

Certified OEM accessories, off-circuit tap changers (30A–1250A), bimetal thermometers, hermetic protection relays, and porcelain bushings manufactured strictly to German DIN, European EN, and IEC standards for distribution and power transformers up to 36 kV / 6300A.

Explore 8 Product Lines ↓ 📄 Download 2026 Catalog (PDF)

30A–1250A

Tap Changers

Up to 36 kV

BIL 170 kV Class

DIN & EN

Full Compliance

ISO 9001

Aksaray OSB (7,800 m²)
Inci Off-Circuit Tap Changer
Featured OEM Component

Off-Circuit Tap Changers (IHR / IHZ / IHM Series)

Multi-position linear & rotary tap changers with patented safety locking, silver-plated contacts, and DIN 7735 / 40500 insulation boards.

İNCİ TRANSFORMATÖR AKSESUARLARI (INC) • OFFICIAL EXPORT CHANNEL

İnci Transformer Accessories (INC) — DIN / EN / IEC Components

Certified OEM accessories, protection relays, bimetal thermometers, and porcelain bushings manufactured strictly to German DIN and European EN standards for hermetic and conservator oil-immersed transformers up to 36 kV / 6300A.

Direct OEM Channel • Zero Markup

Download Official 2026 İnci Transformer Accessories Catalog (PDF)

📥 Download Trafo Catalog (PDF - 3.0 MB) 💬 WhatsApp Musab K.
Off-Circuit Tap Changers
DIN 7735 • DIN 40500 • BIL 170 kV

Off-Circuit Tap Changers

Voltage ratio adjustment for oil-immersed transformers. IHR, IHZ, IHM and IHF II/III/IV series featuring the 3-step 'Lift-Turn-Switch On' notch mechanism.

  • ✓ Current: 30A to 1250A
  • ✓ Voltage Class: 10 kV to 30 kV
  • ✓ Configuration: 1, 2, or 3-Phase Star / Delta
Request Tap Changer RFQ
Bimetal Dial Thermometer
DIN 16203 • IP55 Protection

Bimetal Dial Thermometers

Continuous top-oil temperature monitoring fitted with 2 independent microswitches (5A 250VAC Alarm & Tripping). UV-resistant polycarbonate lens & resettable peak pointer.

  • ✓ Scale: 0 - 120°C (Optional 0 - 160°C)
  • ✓ Contacts: Alarm & Tripping (5A 250VAC)
  • ✓ Well Pocket: R1/2", R3/4", R1" Brass / SS
Request Thermometer RFQ
Pressure Safety Valves
SAE / DIN • Instant Discharge

Pressure Safety Relief Valves

Fast-acting explosion mitigation valve for sealed transformers. Releases dangerous internal gas pressure buildup caused by electrical arcing; automatic self-resealing.

  • ✓ Connection: 1/2" 14 NPT Threaded Base
  • ✓ Housing: One-Piece Forged Brass / Aluminium
  • ✓ Inspection: Stainless Steel Manual Test Ring
Request Valve RFQ
Magnetic Oil Level Indicator
DIN 42569 • Zero-Leakage Magnetic

Magnetic Oil Level Indicators

Hermetically isolated magnetic float indicators for transformers above 5000 kVA and compact distribution tanks. Dial chamber never contacts transformer oil.

  • ✓ Mounting: R1" Threaded (OLI-C) or DIN Flange (Form B)
  • ✓ Float: High-Density Chemical-Resistant Rohacell
  • ✓ Telemetry: Optional SCADA Low-Oil Microswitch
Request Indicator RFQ
Vertical Protection Relay
DIN Hermetic • 3-in-1 Multifunction

Vertical Protection Relays

Comprehensive safety system developed for hermetically sealed transformers. Combines gas accumulation sensing, low oil level tripping, and excess pressure protection.

  • ✓ Protection: Gas Volume + Oil Drop + Pressure Surge
  • ✓ Mounting: R1¼" Vertical Tank Filling Pipe
  • ✓ Versions: Short IHPR-S (156mm) & Long IHPR-L (191mm)
Request Relay RFQ
Dehydrating Silica Gel Breather
DIN 42562 • DIN 42567

Dehydrating Moisture Breathers

Extracts airborne moisture from air entering conservator expansion tanks. Lower oil bowl (hydraulic seal) prevents continuous crystal exhaustion during non-breathing state.

  • ✓ Capacities: NM 0.15 - 0.25 kg & DIN 1.2 - 2.4 kg
  • ✓ Cylinder: Borosilicate Glass or Polycarbonate
  • ✓ Fasteners: Forged CrNi Stainless Butterfly Nuts
Request Breather RFQ
DIN 42551 Oil Drain Device
DIN 42551 • DIN 17100 St37

Oil Drain Devices & Ball Valves

Complete DIN 42551 oil draining devices with St34/St37 sockets, cast iron stop plugs, and NBR packing washers. Guaranteed leak-tight even up to 100°C hot oil immersion.

  • ✓ Nominal Sizes: NW 22 (≤800 kVA), NW 31, NW 40 (>1600 kVA)
  • ✓ Ball Valves: Single (NW 15S-50S) & Double Flange (NW 15D-50D)
  • ✓ Thermowell Pockets: 1/2", 3/4" & 1" St37 Weldable Pockets
Request Valve RFQ
High Voltage Transformer Bushings
DIN 42530-533 • EN 50386 • IEC 137

LV & HV Ceramic Bushings

Complete range of outdoor and indoor porcelain/ceramic transformer bushings up to 36 kV and 6300A. Complete with copper stems, DIN 43675 brass flags, and arcing horns.

  • ✓ Low Voltage (LV): DIN 42530 (1 kV / 250A - 3150A)
  • ✓ Medium & High (MV/HV): DIN 42531/32/33 (10-36 kV)
  • ✓ Accessories: DIN 43675 EP/FP/DP Brass Flags & ANSI Clamps
Request Bushing RFQ
MANUFACTURING EXCELLENCE

İnci Transformatör Aksesuarları San. Tic. A.Ş.

Founded with over 30 years of engineering craftsmanship by Haşim İnci, the company operates a state-of-the-art 7,800 m² industrial facility in Aksaray Erenler Organized Industrial Zone (OSB).

Certified to ISO 9001:2015, İnci Transfo is an approved Tier-1 OEM supplier for international transformer manufacturers throughout Europe, the Middle East, Central Asia, and Africa.

7,800 m²

Modern Aksaray Plant

ISO 9001:2015

TÜV Certified Quality
Inci High Voltage Bushing Assembly
LOGISTICS & DELIVERIES

Fast Global Ocean & Overland Export Routes

Strategic maritime logistics departing weekly from Istanbul ports (Ambarli / Marport / Kumport) to major regional gateways.

🇸🇦

Saudi Arabia

9 – 14 Days Transit

Direct ocean freight to Dammam Port & Jeddah Islamic Port. SASO compliant submittals.

🇦🇪

United Arab Emirates

10 – 15 Days Transit

Regular container service to Jebel Ali Port, Dubai. Fast customs clearance paperwork.

🇮🇶

Iraq & Levant

4 – 8 Days Transit

Overland TIR truck transport via Habur border gate or direct sea shipment to Umm Qasr Port.

🇳🇬

Africa & Europe

12 – 22 Days Transit

Direct routes to Alexandria, Lagos (Apapa), Mombasa, plus short-sea routes to Rotterdam & Genoa.

OFFICIAL 2026 EXPORT CATALOG

Download İnci Transformer Accessories Catalog

Complete 8-page international engineering catalog with dimensional drawings, current ratings, and technical submittals.

⚡
ENGLISH EXPORT EDITION • PDF (3.0 MB)

İnci Transformer Accessories Complete Catalog

Tap changers, BT dial thermometers, BAV valves, Buchholz relays & DIN bushings.

Download Catalog (PDF)
DIRECT FACTORY PRICING

Request an Official Factory FOB / CIF Quote

Submit your project requirements below. Our export sales desk will provide technical data sheets and an official proforma quote within 4 to 8 hours.

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Musab K. · Senior Export Desk Online · Chat on WhatsApp