LSZH Fire-resistant cable, NX600 Armoured fire flame cable

NX600 is a heavy-duty, fire-resistant, armoured low-voltage cable (600/1000V) designed for critical applications like fire alarms and emergency systems, featuring copper conductors, mica/XLPE insulation, steel wire armour (SWA), and a halogen-free (LSZH/HFFR) outer sheath, built to BS 7846/BS 8491 standards to maintain circuit integrity during intense fires (120+ mins) with flame/smoke/corrosion resistance.

Low Voltage (LV) Fire Resistant Armoured Cable (SWA).

Key Specifications :
Standards: BS 7846, BS 8491 (F120), BS 6387 CWZ, IEC 60332-3-24 (Cat C).
Conductor: Annealed Copper (Class 2).
Insulation: Mica Tape + XLPE (Cross-Linked Polyethylene).
Armour: Single Layer Galvanized Steel Wires (SWA).
Outer Layer：Glass-fiber tape
Outer sheath : LSZH/HFFR (Low Smoke Zero Halogen/Halogen Free Flame Retardant).
Voltage Rating: 0.6/1 kV (Um 1.2kV).
Fire Performance: BS 8491 (120 min integrity), Flame Retardant, Low Smoke, Low Corrosive Gas Emission.
Applications: Fire alarms, smoke control, emergency lighting, pumps, high-rise buildings, hospitals, data centers.
Circuit Integrity: Maintains power/signals for critical systems during fires.
Benefits:
Safety: Halogen-free, reduces toxic smoke/fumes in fire.
Durability: Steel wire armour resists impacts and water.
Ease of Installation: Easy to strip, retains memory, no extra tapes.

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TECHNICAL PROPERTIES
Conductor cores	section cores [mm²]	Nom. outer diam. [mm]	Approx. weight [kg/km]	Max. DC Resist. Cond. 20°C [Ohm/km]	Voltage Drop [V/A.km]	Perm current rating in air 30°C [A]	Perm. Current buried/direct 20°C [A]
2	4	20	700	4.61	12	49	46
2	6	21	780	3.08	7.9	63	58
2	10	23	950	1.83	4.7	86	77
2	16	25	1110	1.15	2.9	115	100
2	25	26	1420	0.727	1.9	149	129
2	35	29	1870	0.524	1.35	185	155
2	50	27	1800	0.387	1	225	183
3	4	21	790	4.61	10	42	39
3	4	21	790	4.61	10	42	39
3	6	22	900	3.08	6.8	54	49
3	10	24	1110	1.83	4	75	65
3	10	24	1110	1.83	4	75	65
3	16	26	1340	1.15	2.5	100	84
3	16	26	1340	1.15	2.5	100	84
3	25	29	1910	0.727	0.93	127	107
3	25	29	1910	0.727	1.65	127	107
3	35	31	2310	0.524	0.67	158	129
3	35	31	2310	0.524	1.15	158	129
3	50	30	2400	0.387	0.87	192	153
3	70	34	3150	0.268	0.6	246	188
3	95	39	4270	0.193	0.45	298	226
3	120	42	5180	0.153	0.37	346	257
3	150	47	6530	0.124	0.3	399	287
3	185	51	7880	0.099	0.26	456	324
3	240	57	9880	0.075	0.21	538	375
3	300	62	11810	0.06	0.18	621	419
3	400	69	14770	0.047	0.17	721	464
4	4	22	910	4.61	10	42	39
4	6	24	1060	3.08	6.8	54	49
4	10	26	1300	1.83	4	75	65
4	16	28	1600	1.15	2.5	100	84
4	25	31	2290	0.727	1.65	127	107
4	35	34	2790	0.524	1.15	158	129
4	50	34	3020	0.387	0.87	192	153
4	70	39	4290	0.268	0.6	246	188
4	95	44	5480	0.193	0.45	298	226
4	120	49	6980	0.153	0.37	346	257
4	150	53	8330	0.124	0.3	399	287
4	185	58	10080	0.099	0.26	456	324
4	240	64	12710	0.075	0.21	538	375
4	300	70	15310	0.06	0.18	621	419
4	400	80	19850	0.047	0.17	721	464
5	4	24	1040	4.61	10	42	39
5	6	25	1220	3.08	6.8	54	49
5	10	28	1520	1.83	4	75	65
5	16	31	2040	1.15	2.5	100	84
5	25	34	2710	0.727	1.65	127	107
5	35	36	3320	0.524	1.15	158	129
5	50	41	4290	0.387	0.87	192	153
5	70	47	5640	0.268	0.6	246	188

LSZH Fire-resistant cable, NX600 Armoured fire flame cable

Low Voltage (LV) Fire Resistant Armoured Cable (SWA).

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