Fire Resistant Single Core 450-750V

Fire resistant cable single core 450 750v cablefeatures Mica tape twisted with copper conductor, the cable refers as Cu/Mica/LSZH 450/750V to basic standard BS7211. The function of mica is to prevent burning when cables catching fire. The cable can maintain the integrity of the electric circuit and continue to work for a period of time when exposed to fire.

The insulation is compound material LSFH low smoking free holagen which has little smoking and no toxic gas emission which reduces the damage to the people and equipment. These cables we supplied are twisted two layers of mica tape with 80% overlap rate which achieves a good performance of fire resistance.

Fire Resistant Single Core 450-750V Parameter

Nominal Cross Section Area		Nominal Insulation Thickness	Nominal Overall Diameter
mm2		mm	mm
	7/0.53
	7/0.67
4	7/0.85
6	7/1.04
10	7/1.35	1
16	7/1.70	1
25	7/2.14		9
35	7/2.52
50	19/2.52
70	19/2.14
95
150	37/2.52
185	37/2.52	2	21
240	37/2.52
300	37/2.52
400	61/2.85		32
500	61/3.20
630	127/2.52

Description Of Fire Resistant Single Core 450-750V

Rated voltage: 450/750V

Basic standard: BS7211

Conductor: bare annealed copper wire, stranded wire to IEC(EN) 60228 class 2

Fire lyer: Mica glass tape

Insulation: LSZH compound to BS 7655-6.1

Operating temperature range (fixed state): -30°C – +90°C

Operating temperature range (mobile state): -20°C – +50°C

Min bending radius: 6 time of Overall Diameter

Insulation resistance: 20 MΩ x km (at 20°C)

Short circuit temperature: 250°C

Circuit Integrity	IEC 60331-21; BS 6387 CWZ; DIN VDE 0472-814(FE180);
	CEI 20-36/2-1; SS229-1; NBN C 30-004 (cat. F3);
	NF C32-070-2.3(CR1)
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 *
Reduced Fire Propagation (Vertically-mounted bundled wires	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
Halogen Free	IEC 60754-1; EN 50267-2-1; DIN VDE ;
	CEI 20-37/2-1 ; BS 6425-1*
No Corrosive Gas Emission	IEC 60754-2; EN 50267-2-2; DIN VDE ;
	CEI 20-37/2-2 ; BS 6425-2*
Minimum Smoke Emission	IEC 61034-1&2; EN 61034 -1&2; DIN VDE &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

Application Of Fire Resistant Single Core 450-750V

This xlpe cableis used in public buildings or infrastructure projects where the fire and toxic gas may cause damage to people or equipment, such as fire extinguishing systems, sprinklers, control panels, and exit lights in high-rise buildings, hotels, hospitals, subways, and public facilities

If you want to know more details of 450 750v cable meaning, please visit our website.

As a reliable electrical cable factory, we will do our best to meet all the needs of customers.

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