1000V Low Smoke Zero Halogen Wire

1000V Low Smoke Zero Halogen Wire

What is LSZH Cable?

LSZH cable/wire refers to cables where the cable jacketing and insulation is made with materials that produce low/limited smoke and non-toxic halogens when exposed to fire or high temperatures. There is also low smoke cable and zero halogen cable / halogen free cable.

Benefits of LSZH Cable

Low smoke zero halogen cables are used when fire safety is critical, especially in enclosed spaces. A number of fires in transportation facilities and other locations led to the development of LSZH cables. In these emergency fire situations, the low smoke factor helps maintain visibility and can reduce respiratory damage, while zero halogen material cuts the production of toxic, halogenated gases.

Construction

Conductor : Plain annealed copper solid or stranded (class 1 or 2) conductor complying with BS EN 60228

Insulation : 90°C cross linked XLPE insulation complying with BS7655 Type GP8

Screen : Laminated aluminium tape screen bonded to sheath and in contact with full size tinned annealed copper circuit protective conductor for 2, 3 & 4 core cables

Sheath : Robust thermoplastic LSOH sheath. Colour – White. Other colours are available to special order

Core Identification : o Brown o Blue, o Brown o Black o Grey or o Blue o Brown o Black o Grey

Specifications : AFUMEX LSX screened wiring cables comply with BS 8436 for 1.0mm² to 2.5mm². AFUMEX LSX (4mm and 6mm) screened wiring cables are rated at 600/1000 V.

Features

• BASEC approved for the full size range of BS8436 (1.0mm² to 2.5mm²)
• Independently assessed by ERA for nail penetration tests (1.0mm² to 2.5mm²)
• Full 360° metal screen aids EMC compliance
• Low smoke emissions to BS EN 61034-2
• Acidic gas emission to BS EN 50267-2-1 (less than 0.5% acid gas)
• Easy to strip, terminate and gland
• Easy to install for surface clipped, tray and basket installations, giving reduced installation costs
• A robust screen that meets the nail penetration test given in BS 8436
• 70°C operating and 250°C short circuit temperature
• Full size CPC conductor on 2, 3 and 4 core cables
• Provides excellent resistance to ignition and ame spread and produces very low levels of smoke and virtually no acidic gases when burnt, safeguarding human life and protecting equipment
• Dressable – retains shape when installed

• Nominal cross sectional area mm²	Approx. overall diameter mm	Approx. Dia. Under Armour mm	Nominal diameter of armour wires mm	Approx. cable weight kg/km	Maximum conductor resistance @ 20°C Ohms/km	Conductor short circuit rating (1 sec) kA	Three phase AC clipped direct	Three phase AC trefoil touching free air Amps	Volt drop Three phase AC mV/A/m
  1.5	12	8	0.9	280	12.1	0.20	23	25	27
  2.5	13	9	0.9	350	7.41	0.35	31	33	16
  4	15	10	0.9	450	4.61	0.57	42	44	10
  6	16	11	0.9	550	3.08	0.86	53	56	6.8
  10	18	13	1.25	800	1.83	1.4	73	78	4
  16	21	15	1.25	1110	1.15	2.2	94	99	2.5
  25	26	19	1.6	1700	0.727	3.6	124	131	1.65
  35	28	22	1.6	2100	0.524	5.0	154	162	1.15
  50*	30	23	1.6	2400	0.387	7.1	187	197	0.87
  70*	34	26	1.6	3100	0.268	10.0	238	251	0.6
  95*	36	29	2	4100	0.193	13.6	289	304	0.45
  120*	40	32	2	5000	0.153	17.2	335	353	0.37
  150*	45	36	2.5	6300	0.124	21.4	386	406	0.3
  185*	49	40	2.5	7600	0.00991	26.5	441	463	0.26
  240*	54	44	2.5	9600	0.0754	34.3	520	546	0.21
  300*	59	49	2.5	11600	0.0601	42.9	599	628	0.185
  400*	65	55	2.5	14400	0.047	57.2	673	728	0.165

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