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Global Strength, Local Manufacturing
A pioneer in connection technologies since 1986.
ONKA Elektrik
manufactures a broad product range — from DIN rail terminal blocks to distribution units — at its modern facilities in Gebze, driven by its own R&D capability.
40+
Years of Experience
90+
Countries Exported To
5000+
Product Variants
Discover Our Story
Our Product Portfolio
Rail Terminal Blocks
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Single Level Screw Type Rail Terminal Block
Single Level Screw Type Grounded Rail Terminal Block
Screw Type Test / Disconnect Rail Terminal Block
Screw Type Motor Terminal Block
Screw Type Fused Rail Terminal Block
Electronic Terminal Blocks
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Electronic Circuit Rail Terminal Block
Diode Boards
Lamp Test Modules
Optocoupler Modules
Relay Boards
Terminal Block Accessories
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Rail End Bracket / Stopper
Rail Cross Connection
Screw Type Jumper Terminal
Rail Separator Plate
Rail Test Probes
Panel Accessories
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Busbar Accessories
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Busbar Terminal
Neutral-Ground
W MCB Busbar
Distribution Units
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10x15mm² Distribution Unit
6.5x9mm² Distribution Unit
7x12mm² Distribution Unit
Distribution Unit Accessories
Grounded Bars
Current Transformers
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Cable Ties
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Cable Lugs and Butt Connectors
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Aluminum Butt
Copper Butt
Aluminum Crimp Cable Lug
Copper Crimp Cable Lug
MCB Busbars
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DIN Mounting Rails
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DIN Mounting Rail Accessories
Aluminum Rail
Coated Mounting Rail White
Coated Mounting Rail Yellow
Galvanized Coated Mounting Rail
Ferrules
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Marking Systems
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Panel Sockets
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Terminal Strips & Socket Terminals
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Terminal Strip
Socket Terminal
Steatite Terminal Block
Fan Terminal Block
Junction Box Terminal Block
Cable Glands
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Metric Series
PG Series
Q16 Drainage Equipment
Metric Type Cable Gland
PG Type Cable Gland
Cable Markers
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Cable Markers
View All Products
Latest Developments
10 Mart 2026
ONKA Elektrik's 2026 Vision
08 Mart 2026
Next-Generation Spring-Clamp Terminal Block Series Launched
28 Şubat 2026
Occupational Safety Standards for Electrical Panels
All News
Careers & Partnership
Career Opportunities
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Head Office
ONKA ELEKTRIK MALZEMELERI SAN. VE TIC. A.S.
Inonu Mah. Gebze Plastikciler Organized Industrial Zone,
Cumhuriyet Cad. No:27 (41400),
Gebze/KOCAELI,
Türkiye
onka@onka.com.tr
444 0 921
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