DVI Rolling Stock Cable (7P+1P+3C)

Construction

Element 1 : 7PR×24AWG(Cu/PE/Individual Al-mylar Screen+ TC Drain Wire)

Conductor	Stranded annealed tinned copper wire, 7/0.20mm
Insulation	Polyethylene. Thickness 0.28mm. Outer diameter 1.16+0.05mm
Core Identification	1PR=White/Brown; 2PR=White/Red, 3PR=White/Green; 4PR=White/ Blue, 5PR=Grey/Black, 6PR=Pink/Orange, 7PR=Light Blue/Purple
Twisting	The cores shall twisted together in pair, the lay between each twist shall not exceed 100 mm
Individual Shield	Aluminum/ mylar laminated tape applied with the metallic side down in electrical contact with a 24AWG tinned copper drain wire (7 strands formation). A 23 micron mylar tape is applied over the screening tape with a minimum 25% overlap.

Element 2 : 1PR×24AWG(7/0.2mm) Stranded TC/PE

Conductor	Stranded annealed tinned copper wire, 7/0.20mm
Insulation	High density polyethylene. Thickness 0.15mm. Outer diameter 0.9mm
Insulation Color	Yellow and orange
Twisting	wisted together in pair, the lay between each twist shall 100 mm

Element 3 : 3C×24AWG(7/0.2mm) Stranded TC/PE

Conductor	Stranded annealed tinned copper wire, 7/0.20mm
Insulation	High density polyethylene.Thickness 0.15mm. Outer diameter 0.9mm
Insulation Color	Red/Purple/White

Element Assembly

Overall Screen	Aluminum/ mylar tape
Braid Shield	Braid of tinned copper wire. Coverage ≥ 85%
Outer Sheath	LSFROH elastomeric sheath,Thickness 1.0mm. Outer diameter 12.5+1mm, other materail is optional
Sheath Color	Black or as per the client’s requirement

PHYSICAL PROPERTIES

Temperature rating : -25°C to +80°C

Minimum bending radius : 3 x Overall Diameter

ELECTRICAL PROPERTIES

Rated voltage : 30V

Max conductor resistance at 20°C : ≤89.2 Ohm/Km

Min insulation resistance : ≥100M Ohm/m

Test voltage : Min. AC 250V/1second

Nom. mutual capacitance at 1KHz : 57 pF/m

FIRE PERFORMANCE IN GENERAL

Vertical flame propagation for a single insulated wire or cable

EN 50265-2-1; IEC 60332-1-2; NF C 32-070 2.1 (C2)

Vertical flame spread of vertically mounted bunched wires or cables

EN 50266-2-4 + EN 50305; IEC 60332-3-24; NF C 32-070 2.2 (C1); VDE 0472 Teil 804

Low Smoke Emission

EN 50268-2; IEC 61034-2; NF C 32-073 ;NF C 20-902; NF F 16 101; VDE 0472 Teil 816

Halogen Free

EN 50267-2-1; IEC 60754-1; NF C 32-074; NF C 20-454; VDE 0472 Teil 815

Low Corrosivity (Acidity & Conductivity)

EN 50267-2-2/3; IEC 60754-2; NF C 32-074; NF C 20-453; VDE 0472 Teil 813

Low Toxicity

EN 50305; NF X 70-100; NF F 63 808; TM1-04; BS6853

Smoke Index

NF F 63 808; BS6853; NF F 16 101

FIRE PERFORMANCE RELATING TO ROLLING STOCK APPLICATION

DIN 5510-2

BS 6853

NF F16 101

NF F 63 808

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