Klauke L-Series Tubular Cu Cable Lugs (6-630mm²)

Product overview

Klauke L-Series Tubular Cu Cable Lugs (6-630mm²) are precision-engineered copper connectors designed for secure, low-resistance terminations. Suitable for use with finely stranded, stranded or pre-rounded sector-shaped conductors, these L-Series Cu Cable Lugs offer outstanding reliability across a wide cross-section range. Manufactured from high-grade copper and tin-plated for corrosion protection, Klauke Lugs 6-630mm ensure long-lasting performance in control panels, switchgear and industrial electrical installations.

Part Numbers: L-6/5FMS, L-6/6FMS, L-6/8FMS, L-6/10FMS, L-10/5FMS, L-10/6FMS, L-10/8FMS, L-10/10FMS, L-10/12FMS, L-16/5FMS, L-16/6FMS, L-16/8FMS, L-16/10FMS, L-16/12FMS, L-25/5FMS, L-25/6FMS, L-25/8FMS, L-25/10FMS, L-25/12FMS, L-35/6FMS, L-35/8FMS, L-35/10FMS, L-35/12FMS, L-35/14FMS, L-35/16FMS, L-50/6FMS, L-50/8FMS, L50/10FMS, L-50/12FMS, L-50/14FMS, L-50/16FMS, L-70/6FMS, L-70/8FMS, L-70/10FMS, L-70/12FMS, L-70/14FMS, L-70/16FMS, L-95/8FMS, L-95/10FMS, L-95/12FMS, L-95/14FMS, L-95/16FMS, L-95/20FMS, L-120/8FMS, L-120/10FMS, L-120/12FMS, L-120/14FMS, L-120/16FMS, L-120/20FMS, L-150/8FMS, L-150/10FMS, L-150/12FMS, L-150/14FMS, L-150/16FMS, L-150/20FMS, L-185/10FMS, L-185/12FMS, L-185/14FMS, L-185/16FMS, L-185/20FMS, L-240/10FMS, L-240/12FMS, L-240/14FMS, L-240/16FMS, L-240/20FMS, L-300/12FMS, L-300/14FMS, L-300/16FMS, L-300/20FMS, L-400/12FMS, L-400/14FMS, L-400/16FMS, L-400/20FMS, L-500/16FMS, L-500/20FMS, L-630/16FMS, L-630/20FMS.

Klauke L-Series Tubular Cu Cable Lugs (6-630mm²)

Ideal for panel builders, industrial electricians and control cabinet manufacturers, these copper lugs deliver a safe, consistent connection every time. Their flat contact surface and internal chamfer simplify cable insertion, while a built-in inspection hole allows quick verification of proper conductor positioning. Whether used in workshop builds or field installations, Klauke Tubular Cu Cable Lugs offer dependable, code-compliant connections with minimal processing effort.

Key Features & Benefits

  • Cross-section range: 6 to 630 mm² – ideal for a wide variety of conductor types and sizes
  • For finely stranded, stranded or sector-shaped conductors – compatible with Class 2 & Class 5 per DIN EN 60228
  • Tin-plated copper (EN13600) – ensures excellent conductivity and long-term corrosion resistance
  • Flat contact surfaces and internal chamfer – simplifies insertion and provides secure electrical contact
  • Inspection hole – confirms complete conductor insertion for safer terminations
  • Annealed copper construction – improves crimping characteristics and mechanical reliability
  • DIN EN 61373 Class 1B vibration-tested – proven durability in high-vibration environments
  • Clearly marked lugs – enabling quick identification during installation
  • Also available without inspection hole (appendix “MS”) – for specialised applications
  • Klauke L-Series Lugs 6-630mm are engineered for efficiency and consistent performance

Klauke Tubular Cu Lugs – Corrosion-Resistant Terminations for Critical Connections

Designed to meet the rigorous demands of modern electrical systems, Klauke Tubular Lugs combine easy handling with excellent mechanical and electrical properties. Whether you’re working with control gear, switchboards or power distribution networks, Klauke L-Series Cu Lugs make every termination faster, safer and more reliable.

When quality, compliance and ease of installation matter, choose Klauke Tubular Cu Cable Lugs. They are the trusted 6-630mm Klauke Cable Lugs you need for demanding industrial applications.


For Additional Information on Klauke L-Series Tubular Cu Cable Lugs (6-630mm²), please consult the Technical Data Table or PDF File below.

*Technical Data subject to change without notice.

FREE Technical Advisory Service
E-Tech Components UK Ltd maintains a free technical advisory service.
Contact us for enquiries concerning this and all other products: +44 (0) 1744 762 929

Technical Data

Part Number Cross-Section Class 2 (mm²) Cross-Section Class 5 (mm²) Stud Hole Dimensions (mm²) - D1 Dimensions (mm²) - A Dimensions (mm²) - B Dimensions (mm²) - D2 Dimensions (mm²) - D4 Dimensions (mm²) - C1 Dimensions (mm²) - C2 Dimensions (mm²) - I Packing Unit/PCS
L-6/5FMS 6 6 M5 4 9 9,5 5,3 6 6,5 6,5 19 100
L-6/6FMS 6 6 M6 4 9 10 6,5 6 7 7 19 100
L-6/8FMS 6 6 M8 4 9 14 8,5 6 8,5 8,5 22 100
L-6/10FMS 6 6 M10 4 9 17 10,5 6 12 12 24,5 100
L-10/5FMS 10 10 M5 4,4 10 10 5,3 6 6,25 6,5 21 100
L-10/6FMS 10 10 M6 4,4 10 10 6,5 6 7 7 21 100
L-10/8FMS 10 10 M8 4,4 10 13 8,5 6 8,5 8,5 24 100
L-10/10FMS 10 10 M10 4,4 10 16 10,5 6 12 12 27,5 100
L-10/12FMS 10 10 M12 4,4 10 17 13 6 13 13 29 100
L-16/5FMS 16 16 M5 5,5 11 11,5 5,3 8 5,5 6,5 24 100
L-16/6FMS 16 16 M6 5,5 11 11,5 6,5 8 6,25 7,5 24 100
L-16/8FMS 16 16 M8 5,5 11 14 8,5 8 8,5 9,5 27 100
L-16/10FMS 16 16 M10 5,5 11 17 10,5 8 10,5 11,5 29 100
L-16/12FMS 16 16 M12 5,5 11 19 13 8 12 13 31 100
L-25/5FMS 25 25 M5 6,8 12 13 5,5 9 7,5 7,5 26 100
L-25/6FMS 25 25 M6 6,8 12 13 6,5 9 7,5 7,5 26 100
L-25/8FMS 25 25 M8 6,8 12 14 8,5 9 10 10 28 100
L-25/10FMS 25 25 M10 6,8 12 17 10,5 9 12 12 31 100
L-25/12FMS 25 25 M12 6,8 12 19 13 9 13 13 32 100
L-35/6FMS 35 35 M6 8,2 15 16 6,5 11 7,5 7,5 30 100
L-35/8FMS 35 35 M8 8,2 15 16 8,5 11 10 10 32 100
L-35/10FMS 35 35 M10 8,2 15 18 10,5 11 12 12 35 100
L-35/12FMS 35 35 M12 8,2 15 19 13 11 13 13 36 100
L-35/14FMS 35 35 M14 8,2 15 21 15 11 14,5 14,5 38 100
L-35/16FMS 35 35 M16 8,2 15 26 17 11 14,5 14,5 38 100
L-50/6FMS 50 50 M6 9,5 18 18 6,5 12 7,5 7,5 36 100
L-50/8FMS 50 50 M8 9,5 18 18 8,5 12 10 10 36 100
L50/10FMS 50 50 M10 9,5 18 18 10,5 12 12 12 38 100
L-50/12FMS 50 50 M12 9,5 18 21 13 12 13 13 39 100
L-50/14FMS 50 50 M14 9,5 18 21 19 12 14,5 14,5 42 100
L-50/16FMS 50 50 M16 9,5 18 26 17 12 16 16 43 100
L-70/6FMS 70 70 M6 11,2 20 21 6,5 14,5 10 10 39 100
L-70/8FMS 70 70 M8 11,2 20 21 8,5 14,5 10 10 39 100
L-70/10FMS 70 70 M10 11,2 20 21 10,5 14,5 12 12 41 100
L-70/12FMS 70 70 M12 11,2 20 22 13 14,5 13 13 42 100
L-70/14FMS 70 70 M14 11,2 20 23 15 14,5 14,5 14,5 45 100
L-70/16FMS 70 70 M16 11,2 20 26 17 14,5 16 16 46 100
L-95/8FMS 95 95 M8 13,4 22 25 8,5 17 10 10 45 50
L-95/10FMS 95 95 M10 13,4 22 25 10,5 17 12 12 45 50
L-95/12FMS 95 95 M12 13,4 22 25 13 17 13 13 47 50
L-95/14FMS 95 95 M14 13,4 22 27 15 17 14,5 14,5 49 50
L-95/16FMS 95 95 M16 13,4 22 27 17 17 16 16 51 50
L-95/20FMS 95 95 M20 13,4 22 30 21 17 16 16 57 50
L-120/8FMS 120 120 M8 15 26 28 8,4 19,5 14 14 51 50
L-120/10FMS 120 120 M10 15 26 28 10,5 19,5 14 14 51 50
L-120/12FMS 120 120 M12 15 26 28 13 19,5 14 14 51 50
L-120/14FMS 120 120 M14 15 26 28 15 19,5 14 14 51 50
L-120/16FMS 120 120 M16 15 26 28 15 19,5 15 15 52 50
L-120/20FMS 120 120 M20 15 26 36 21 19,5 22 22 63 50
L-150/8FMS 150 150 M8 16,5 30 31 10,5 21 14 14 56 50
L-150/10FMS 150 150 M10 16,5 30 31 10,5 21 14 14 56 50
L-150/12FMS 150 150 M12 16,5 30 31 13 21 15 15 57 50
L-150/14FMS 150 150 M14 16,5 30 31 15 21 15 15 57 50
L-150/16FMS 150 150 M16 16,5 30 31 17 21 16 16 58 50
L-150/20FMS 150 150 M20 16,5 30 39 21 24 22 22 69 50
L-185/10FMS 185 185 M10 19 30 35 10,5 24 18 18 65 50
L-185/12FMS 185 185 M12 19 30 35 13 24 18 18 65 50
L-185/14FMS 185 185 M14 19 30 35 15 24 18 18 65 50
L-185/16FMS 185 185 M16 19 30 35 17 24 18 18 65 50
L-185/20FMS 185 185 M20 19 30 39 21 24 22 22 69 50
L-240/10FMS 240 240 M10 21 35 39 10,5 26 21,5 19 72 50
L-240/12FMS 240 240 M12 21 35 39 13 26 215 19 72 50
L-240/14FMS 240 240 M14 21 35 39 15 26 21,5 19 72 50
L-240/16FMS 240 240 M16 21 35 39 17 26 21,5 19 72 50
L-240/20FMS 240 240 M20 21 35 39 21 26 21,5 19 72 50
L-300/12FMS 300 300 M12 23.5 44 43 13 29,5 24 24 87 25
L-300/14FMS 300 300 M14 23.5 44 43 15 29,5 24 24 87 25
L-300/16FMS 300 300 M16 23.5 44 43 17 29,5 24 24 87 25
L-300/20FMS 300 300 M20 23.5 44 43 21 29,5 24 24 87 25
L-400/12FMS 400 400 M12 27 44 49 13 34 24 24 90 20
L-400/14FMS 400 400 M14 27 44 49 15 34 24 24 90 20
L-400/16FMS 400 400 M16 27 44 49 17 34 24 24 90 20
L-400/20FMS 400 400 M20 27 44 49 21 34 24 24 90 20
L-500/16FMS 500 500 M16 31 68 56 17 38 24 24 120 10
L-500/20FMS 500 500 M20 31 68 56 21 38 24 24 120 10
L-630/16FMS 630 630 M16 34 68 59 17 40 24 24 120 10
L-630/20FMS 630 630 M20 34 68 59 21 40 24 24 120 10

Find out more about our products or becoming a supplier