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

FFX300 05mRZ1-U (CU/MGT+XLPE/LSZH 300/500V Class 1)

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 adapted from BS 7211:2012

FIRE PERFORMANCE

Circuit Integrity	IEC 60331-21; BS 6387
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

VOLTAGE RATING

300/500V

CABLE CONSTRUCTION

Conductor: Annealed copper conductor, solid according to BS EN 60228 class 1.
Fire Barrier: Mica glass tape.
Insulation: XLPE type GP 8 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 × Overall Diameter

CONSTRUCTION PARAMETERS

Conductor		FFX300 05mRZ1-U
No. of Cores × Cross-sectional Area	Conductor Class	Nominal Insulation Thickness	Crosssectional Area of CPC	Class of CPC	Nominal Sheath 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	5.1x6.2	6.0x7.3	66
1×1.5	1	0.70	1.0	1	0.9	5.4x6.4	6.3x7.6	74

Electrical PROPERTIES

Conductor operating temperature: 90°C
Ambient temperature: 30°C

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

Conductor crosssectional 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)
	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, singlephase 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 crosssectional 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	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.