Applications :

• The cables are designed for provide circuit integrity for safety lightning, smoke extraction, ventilation, emergency telephone and exits during fi re for underground railways.

Standards :

• RATP K27 specifi cation
• Fire resistant: class CR1
• No fi re propagation: class C1 RATP (<30cm)

 

Construction :

• Conductors : Class 1 solid conductor from 1.5mm² to 4mm²; class 2 stranded conductor for 6mm².
• Insulation : Silicone rubber insulation.
• Stranding : Cores are helically stranded in concentric layers.
• Inner Sheath : LSZH.
• Armour : Two layers of steel tape.
• Outer Sheath : LSZH.

Electrical Characteristics at 20 °C :

• Number of strands/Nominal Conductor Diameter	mm	7/1.04	1/1.39	1/1.79	1/2.25
  Nominal Cross Section Area	mm2	6	1.5	2.5	4
  Nominal Insulation Thickness	mm	1.0	0.8	1.0	1.0
  Operating Voltage	V	300/500

Mechanical and Thermal Properties :

• Minimum Bending Radius : 5×OD (static); 10×OD (dynamic).
• Temperature Range : -10°C to +90°C (during operation); -10°C +60°C (during installation).

Dimensions and Weight :

 

Cable Code	Number of Cores	Nominal Sheath Thickness mm		Maximum Overall Diameter mm	Nominal Weight kg/km
		Inner	Outer
7/1.04mm Conductor, 4.76mm Insulated Wire
RS/K27-SZ1F3Z1-U(AS+)-2G6	2	1.0	1.5	17.0	406
1/1.39mm Conductor, 2.99mm Insulated Wire
RS/K27-SZ1F3Z1-U(AS+)-2G1.5	2	1.0	1.5	11.3	200
RS/K27-SZ1F3Z1-U(AS+)-3G1.5	3	1.0	1.5	12.5	237
RS/K27-SZ1F3Z1-U(AS+)-12G1.5	12	1.0	1.5	18.9	596
1/1.79mm Conductor, 3.79mm Insulated Wire
RS/K27-SZ1F3Z1-U(AS+)-2G2.5	2	1.0	1.5	13.2	265
RS/K27-SZ1F3Z1-U(AS+)-3G2.5	3	1.0	1.5	13.5	309
1/2.25mm Conductor, 4.26mm Insulated wire
RS/K27-SZ1F3Z1-U(AS+)-2G4	2	1.0	1.5	14.7	325
RS/K27-SZ1F3Z1-U(AS+)-3G4	3	1.0	1.5	15.6	411

 

 

 

Impact Resistant	Mineral Oil Resistant	Acid&Alkaline Resistant	Laid In conduit		Low Toxicity	Insulation Integrity FE180 EN 50200/IEC 60331 /NF C32-070-2.3(CR1)

 

 

Flame Retardant NF C32-070-2.1(C2) IEC 60332-1/EN 50265-2-1	Fire Retardant NF C32-070-2.2(C1) IEC 60332-3/EN50266	Zero Halogen IEC 60754-1/NF C20-454 EN 50267-2-1	Low Smoke Emission IEC 61034/NFC20-902 EN 50268/NF C32-073	Low Corrosivity EN 50267-2-2/NF C32-074 IEC 60754-2/NF C20-453