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Fire Protective Cable

Application: It is mainly applicable to high-rise buildings, entertainment venues and numerous construction projects that require high quality and high safety. It is used for power supply lines in fire protection systems such as fire elevators, fire pumps, fire alarm systems, smoke exhaust systems, emergency lighting, fire hazard areas, high-temperature environments and facilities that require special safety. The main purpose is to ensure power supply without cutting off the power supply while achieving safety.

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Keywords:

1、Application

It is mainly applicable to high-rise buildings, entertainment venues and numerous construction projects that require high quality and high safety. It is used for power supply lines in fire protection systems such as fire elevators, fire pumps, fire alarm systems, smoke exhaust systems, emergency lighting, fire hazard areas, high-temperature environments and facilities that require special safety. The main purpose is to ensure power supply without cutting off the power supply while achieving safety.

2、Manufactured Standards:

GB/T 313,IEC60702,GB/T13033，The fire resistance test is based on BS6387 and BS8491. MT818.1-818.9 GB/T12972 or the standards agreed by both of the customers and us.

3、Production Scope

Nominal Cross-section: 1.5-400mm2
Rated Voltage: 1KVor below
Core Number: 1core,2core,3core,3+1core,4core,4+1core,5core
The main cable models: BTTYRZ,BTTZ,BTTY,BTLY,BTTYRZ and so on

4、Construction

Conductor: Class 1 or class2 copper
Insulation: Mineral insulation
Metal sheath: Copper or aluminum or aluminum alloy
Outer sheath(optional): PE/PVC/LSOH

5、Technical Characteristics

Technical characteristics of YTTW
Cores and conductor size mm2	Approx. Overall Diameter mm	Approx.. mass per unit length kg/km	Max. DC Resistance at 20℃ Ω/km	Ampacity	Cores and conductor size mm2	Approx. Overall Diameter mm	Approx.. mass per unit length kg/km	Max. DC Resistance at 20℃ Ω/km	Ampacity
1x1	10	153	18.1	18	2x1	14	255	18.1	15
1X1.5	10	160	12.1	32	2x1.5	14	268	12.1	21
1X2.5	12	196	7.41	42	2×2.5	16	316	7.41	33
1X4	10	153	4.61	56	2x4	16	351	4.61	44
1X6	10	160	3.08	70	2x6	16	385	3.08	57
1X10	12	196	1.83	97	2x10	18	504	1.83	78
1X16	12	214	1.15	125	2x16	22	669	1.15	104
1X25	12	236	0.727	165	2x25	24	962	0.727	135
1X35	14	305	0.524	200	2x35	26	1175	0.524	168
1X50	14	365	0.387	245	2x50	28	1436	0.387	204
1X70	16	481	0.268	305	2x70	32	1969	0.268	263
1X95	16	574	0.193	375	2x95	36	2516	0.193	320
1X120	18	778	0.153	435	2x120	38	2998	0.153	373
1X150	20	1008	0.124	500	2x150	40	3651	0.124	450
1X185	22	1285	0.0991	580	2x185	46	4431	0.0991	485
1X240	24	1544	0.0754	685	2×240	50	5495	0.0754	575
1X300	26	1845	0.0601	795	一	一	一	一	一
1X400	28	2216	0.047	930	一	一	一	一	一
1X500	30	2836	0.0366	1090	一	一	一	一	一
3X1	14	270	18.1	14	4x1	16	325	18.1	14
3X1.5	16	313	12.1	19	4x1.5	16	350	12.1	19
3X2.5	16	348	7.41	29	4x2.5	18	421	7.41	29
3X4	18	423	4.61	38	4x4	18	488	4.61	38
3X6	18	474	3.08	46	4x6	18	556	3.08	46
3X10	20	625	1.83	65	4x10	22	750	1.83	65
3X16	22	822	1.15	85	4x16	24	1102	1.15	85
3X25	26	1242	0.727	118	4x25	28	1513	0.727	118
3X35	28	1543	0.524	150	4x35	30	1953	0.524	150
3X50	30	1917	0.387	192	4x50	32	2440	0.387	192
3X70	34	2691	0.268	228	4x70	36	3393	0.268	228
3X95	38	3488	0.193	273	4x95	40	4467	0.193	273
3X120	40	4316	0.153	314	4x120	46	5471	0.153	314
3X150	44	5143	0.124	390	4x150	48	6511	0.124	390
3X185	48	6216	0.0991	418	4x185	53	8131	0.0991	418
3X240	53	7786	0.0754	500	4×240	59	10208	0.0754	500
5X1	18	383	18.1	14	3x1.5+1x1	16	350	12.1/18.1	14
5X1.5	18	413	12.1	19	3x2.5+1x1.5	18	420	7.41/12.1	19
5X2.5	18	471	7.41	29	3x4+1x2.5	18	481	4.61/7.41	29
5X4	20	580	4.61	38	3x6+1x4	18	549	3.08/4.61	38
5X6	22	688	3.08	46	3x10+1x6	22	800	1.83/3.08	65
5X10	24	974	1.83	65	3x16+1x10	24	1055	1.15/1.83	85
5X16	26	1318	1.15	85	3x25+1x16	26	1426	0.727/1.15	118
5X25	30	1825	0.727	118	3x35+1x16	28	1736	0.524/1.15	150

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