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300/500V XLPE Insulated, LSZH Sheathed Power Cables to BS 7211 (Single Core)

FTX300 05RZ1-U (CU/XLPE/LSZH 300/500V Class 1)

BS Code : 6241B

APPLICATION

300/500V XLPE Insulated, LSZH Sheathed Power Cables to BS 7211 (Single Core) are mainly used in

power stations, mass transit underground passenger systems, airports, petrochemical plants, hotels, hospitals

and high-rise buildings.

STANDARDS

Basic design to BS 7211:2012

FTX300 05RZ1-U (CU/XLPE/LSZH 300/500V Class 1)

FIRE PERFORMANCE

Flame Retardance (Single vertical wire or cable test)	IEC 60332-1-2; EN 60332-1-2
Reduced Fire Propagation (Vertically-mounted bundled wires & cables test)	IEC 60332-3-24; EN 60332-3-24
Halogen Free	IEC 60754-1; EN 50267-2-1
No Corrosive Gas Emission	IEC 60754-2; EN 50267-2-2
Minimum Smoke Emission	IEC 61034-2; EN 61034-2
CPR Compliance	Eca

VOLTAGE RATING

300/500V

CABLE CONSTRUCTION

Conductor : Annealed copper conductor, solid according to BS EN 60228 class 1.

Insulation : XLPE type GP8 according to BS 7655-1.3. Crosslinked polyolefin material type EI 5 according to EN

50363-5 can be offered as option.

CPC (Circuit Protective Conductor) : Uninsulated copper conductor.

Outer Sheath : Extruded LSZH type LTS 2 according to BS 7655-6.1.

Outer Sheath Option : UV resistance, hydrocarbon resistance, oil resistance, anti-rodent and anti-termite

properties can be offered as option.

COLOUR CODE

Insulation Colour : Brown or blue.

Sheath Colour : White; other colours can be offered upon request.

PHYSICAL AND THERMAL PROPERTIES

Maximum temperature range during operation : 90°C

Maximum short circuit temperature (5 Seconds) : 250°C

Minimum bending radius : 4 x Overall Diameter

CONSTRUCTION PARAMETERS

Conductor		FTX300 05RZ1-U
No. of Cores × Cross-sectional Area	Conductor Class	Nominal Insulation Thickness	Cross- sectional Area of CPC	Class of CPC	Nominal Insulation Thickness	Min. overall Dimensions	Max. overall Dimensions	Approx. Weight
No.×mm²		mm	mm²		mm	mm	mm	kg/km
1×1.0	1	0.70	1.0	1	0.9	4.1x5.2	5.0x6.3	45
1×1.5	1	0.70	1.0	1	0.9	4.4x5.4	5.3x6.6	55

Note: The parameters listed above are nominal values as per cable standards. Actual values may vary due to material and manufacturing process variations. For precise specifications or customized requirements, please contact us for further information

ELECTRICAL PROPERTIES

Conductor operating temperature : 90°C

Ambient temperature : 30°C

Current-Carrying Capacities (Amp) according to BS 7671:2008 table 4E1A

Conductor cross- ectional area	Ref. Method A (enclosed in conduit in thermally insulating wall etc.)		Ref. Method B (enclosed in conduit on a wall or in trunking etc.)		Ref. Method C (clipped direct)
Conductor cross- ectional area	2 cables, single-phase a.c. or d.c.	3 or 4 cables, three-phase a.c.	2 cables, single-phase a.c. or d.c	3 or 4 cables, three-phase a.c.	2 cables, single- phase a.c. or d.c. flat and touching	3 or 4 cables, three-phase a.c. flat and touching or trefoil
1	2	3	4	5	6	7
mm²	A	A	A	A	A	A
1.0	14	13	17	15	19	17.5
1.5	19	17	23	20	25	23

Voltage Drop (Per Amp Per Meter) according to BS 7671:2008 table 4E1B

Conductor cross- sectional area	2 cables d.c.	2 cables, single-phase a.c.			3 or 4 cables, three-phase a.c.
		Ref. Methods A&B (enclosed in conduit or trunking)	Ref. Methods C, F&G (clipped direct, on trays or in free air)		Ref. Methods A&B (enclosed in conduit or trunking)	Ref. Methods C, F&G (clipped direct, on trays or in free air)
						Cables touching, Trefoil	Cables touching, flat	Cables spaced*, flat
			Cables touching	Cables spaced*		Cables touching, Trefoil	Cables touching, flat	Cables spaced*, flat
1	2	3	4	5	6	7	8	9
mm²	mV/A/m	mV/A/m	mV/A/m	mV/A/m	mV/A/m	mV/A/m	mV/A/m	mV/A/m
1.0	46	46	46	46	40	40	40	40
1.5	31	31	31	31	27	27	27	27

Note: *Spacings larger than one cable diameter will result in a large voltage drop.