Rail solutions

Wires and accessories
for rail
infrastructure

A comprehensive range of products dedicated to rail — traction wires, section insulators, accessories and contact wires, compliant with PN-EN 50149:2012.

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Supporting rail investments

Involt is a trusted supplier of products for rail infrastructure — from traction wires and contact wires, through section insulators, to complete traction network accessories. We select solutions compliant with applicable standards and support rail investments at every stage, from product selection to on-time delivery.

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Traction wires

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Section insulators

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Accessories

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Contact wires

Copper contact wire

Catalog no. Symbol Index Cross-section [mm²] Min. tensile strength [MPa] Max. resistance per 1km at 293°K [Ω] Weight per 1km [kg]
9871-1Djp 100MK217531003550,183890
9871-3Djp 150MK222121503100,1251335

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Manufactured to standard: PN-EN 50149:2012

CuAg 0.1% silver-copper contact wire

Catalog no. Symbol Index Cross-section [mm²] Min. tensile strength [MPa] Max. resistance per 1km at 293°K [Ω] Weight per 1km [kg]
9872-1DjpS 100MK217541003650,183890
9872-3DjpS 150MK217661503500,1221335

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Manufactured to standard: PN-EN 50149:2012 · clamping groove angle: 48°

Bare stranded copper wires

Available in three variants: BzII wires, hard-drawn Cu wires and annealed Cu wires — in a wide range of cross-sections.

CONDUCTORS FROM BZII WIRES

Symbol Nominal cross-section [mm²] Construction [mm] Calculated breaking force [kN] Max. resistance at 20°C [Ω/km] Weight per 1km [kg]
L10 BzII107×1,355,902,80390
L25 BzII257×2,1014,201,158218
L35 BzII357×2,5020,200,8175310
L50 BzII507×3,0028,600,5677446
L70 BzII7019×2,1038,600,4292596
L70 BzII7037×1,5038,400,4335594
L95 BzII9519×2,5054,800,3028845
L120 BzII12019×2,8067,600,24141060

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CONDUCTORS FROM HARD-DRAWN CU WIRES

Symbol Nominal cross-section [mm²] Construction [mm] Calculated breaking force [kN] Max. resistance at 20°C [Ω/km] Weight per 1km [kg]
L10107×7×0,513,201,8091
L25257×2,138,600,7361226
L35357×2,5212,030,5259316
L50507×3,0017,050,3712449
L707019×2,1724,220,2613637
L959519×2,5232,670,1938859
L12012019×2,8040,320,15701060
L15015037×2,2651,150,12371345

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CONDUCTORS FROM ANNEALED CU WIRES

Symbol Nominal cross-section [mm²] Construction [mm] Max. resistance at 20°C [Ω/km] Weight per 1km [kg]
L505061×1,000,387435
L959537×1,800,193845
L12012037×2,100,1531140
L15015037×2,250,1241347
L18518537×2,520,09911660
L185185321×0,850,09911650

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Bare stranded conductors AFL-6

Application: Working conductors of 3 kV overhead traction network feeders, 15, 20, 30 and 110 kV overhead lines supplying traction substations, and reinforcing conductors for earthing of support structures.

Type Cross-section [mm²] Construction Weight per 1km [kg]
AFL-6256×198
AFL-6356×1140
AFL-6506×1198
AFL-6707×7269
AFL-69526×7369
AFL-612026×7506
AFL-615026×7615
AFL-618526×7762
AFL-624026×7974

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Manufactured to standard: PN-EN 50182:2002 · PN-IEC 1089:1994

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