Firetox Flame Retardant Cables 

Firetox Flame Retardant Cables

300/500V XLPE Insulated, LSZH Sheathed Power Cables (single core)

FTX300 05RZ1-R (CU/XLPE/LSZH 300/500V Class 2)

300/500V XLPE Insulated, LSZH Sheathed Power Cables (single core)

Application

The cables are mainly used in power stations, mass transit underground passenger systems, airports,

petrochemical plants, hotels, hospitals, and high-rise buildings.

Standards

Basic design to IEC 60502-1

Fire Performance

Flame Retardance (Single Vertical
Wire Test)
EN 60332-1-2; IEC 60332-1-2; BS EN 60332-1-2; VDE
0482-332-1 ; NBN C 30-004 (cat. F1); NF C32-070-2.1(C2); CEI 20-35/1-2; EN 50265-2-1*; DIN VDE 0482-265-2-1*
Reduced Fire Propagation
(Vertically-mounted bundled wires
& cable test)
EN 60332-3-24 (cat. C); IEC 60332-3-24; BS EN 60332-3-24; VDE 0482-332-3; NBN C 30-004 (cat. F2); NF C32-070-2.2(C1); CEI 20-22/3-4; EN 50266-2-4*; DIN VDE 0482-266-2-4
Halogen Free IEC 60754-1; EN 50267-2-1; DIN VDE 0482-267-2-1; CEI 20-37/2-1 ; BS 6425-1*
No Corrosive Gas Emission IEC 60754-2; EN 50267-2-2; DIN VDE 0482-267-2-2; CEI 20-37/2-2 ; BS 6425-2*
minimum Smoke Emission IEC 61034-1&2; EN 61034 -1&2; DIN VDE 0482-1034-1&2; CEI 20-37/3-1&2; EN 50268-1&2*; BS 7622-1&2*
No Toxic gases NES 02-713; NF C 20-454

Note: Asterisk * denotes superseded standard.

Voltage Rating

300/500V

Cable Construction

Conductor: Plain annealed copper wire, stranded according to IEC(EN) 60228 class 2.

Insulation: Extruded cross-linked XLPE compound.

Outer Sheath: Thermoplastic LSZH compound type LTS3 as per BS 7655-6.1 (Thermosetting LSZH compound

type SW2-SW4 as per BS 7655-2.6 can be offered.)

Colour code

Insulation colour as per bs7671

  with earth conductor without earth conductor
2Cores - Brown,Blue
3Cores Yellow/Green,Brown,Blue Brown,Gray,Black
4Cores Yellow/Green,Brown,Gray,Black Brown,Gray,Black,Blue
5Cores Yellow/Green,Brown,Gray,Black,Blue Brown,Gray,Black,Blue,Black
above 5 Cores Yellow/Green,Black Numbered Black Numbered

sheath colour: Black

Physical And Thermal Properties

Temperature range during operation: Max.90°C for XLPE

250°C in short-circuit for 5s max.

Minimum bending radius: 6 x Overall Diameter (unarmoured cable)

10 x Overall Diameter (armoured cable)

SWB Steel wire braid

Construction Parameters

Conductor FTX300 05RZ1-R
No. of Core X Cross Section No./Nominal
Diameter of
Strands
Nominal
Insulation
Thickness
Nominal
Overall
Diameter
Approx. Weight
Noxmm2 No./mm mm mm kg/km
1x1.5 7/0.53 0.50 3.8 27
1x2.5 7/0.67 0.50 4.2 37
1x4.0 7/0.85 0.50 4.8 54

Electrical Properties

Conductor Operating Temperature : 90°C

Ambient Temperature : 30°C

Current-Carrying Capacities (Amp)

Conductor
crosssectional
area
Reference
Method 4
(enclosed in
conduit in
thermally
insulating wall
etc)
Reference
Method 3
(enclosed in
conduit on
a wall or in
trunking etc)
Reference Method
1 (clipped direct)
Reference
Method 11 (on a
perforated cable
tray, horizontal or
vertical)
Reference Method 12 (free
air)
Horizontal
flat
spaced
Vertical
flat
spaced
Trefoil
2 cables, single- phase a.c. or d.c. 3 or 4 cables,
3-phase a.c.
2 cables, single- phase a.c. or d.c 3 or 4 cables,
3-phase a.c.
2 cables, single- phase a.c. or d.c. flat and touching 3 or 4 cables,
3-phase a.c. flat and touching or trefoil
2 cables, single- phase a.c. or d.c. or flat and touching 3 or 4 cables,
3-phase a.c. flat and touching or trefoil
2 cables, single- phase a.c. or d.c.
or 3 c ables three phase
2
cables, single- phase a.c. or d.c.
or 3 cables three
phase
3 cables, trefoil
3-phase a.c.
1 2 3 4 5 6 7 8 9 10 11 12
mm2 A A A A A A A A A A A
1.5 18 17 22 19 25 23 - - - - -
2.5 24 23 30 26 34 31 - - - - -
4 33 30 40 35 46 41 - - - - -

Voltage Drop (Per Amp Per Meter)

Nominal
Cross
Section
Area
2 cables
d.c.
2 cables, single-phase a.c. 3 or 4 cables, 3-phase a.c.
Ref. Methods 3
and 4 (enclosed
in conduit etc,
in or on a wall)
Ref. Methods 1
and 11 (clipped
direct or on trays
touching)
Ref. Methods 3
and 4 (enclosed
in conduit etc,
in or on a wall)
Ref. Methods 1,
11 and 12 (in
trefoil)
Ref. Methods 1 and
11(Flat and touching)
1 2 3 4 5 6 7
mm2 mV/A/m mV/A/m mV/A/m mV/A/m mV/A/m mV/A/m
1.5 31 31 27 27 27 27
2.5 19 19 16 16 16 16
4 33 12 10 10 10 10