Power Cables - AYY/YY-2 Core | Instrumentation Cables

Cable Construction

1.1 kV (A.C) & 1.5 kV (D.C ) to Earth

2 cores AL / CU conductor, PVC insulated, unarmoured cables as per IS 1554 Part – 1.

Conductor: AL up to 10 Sq. mm conductor are solid Cl. 1 as per IS 8130. And above 10 Sq. mm conductor are stranded round or compact round or Compact shape conductor Cl. 2 as per IS 8130

In CU 4 & 6 Sq. mm conductor are solid Cl. 1 or stranded round Cl. 2 as per IS 8130. 10 Sq. mm conductor is stranded round or stranded compact conductor Cl. 2 as per IS 8130

Above 10 Sq. mm conductor are stranded round or compact round or compacted shaped Cl. 2 as per IS 8130

Insulation: PVC Type – A, as per IS 5831.(Option : HR PVC Type – C, as per IS 5831)

Core Color: Red, black

Inner Sheath : PVC / PVC tape as per IS 1554 (P – 1)

Outer Sheath : PVC Type ST – 1 as per IS 5831 (Option : PVC Type – ST – 2 as per IS 5831 / FR Type / FRLS Type)

Cable Color: Black (Options : Any other color as per requirement)

Cable Design Parameters

While ordering, in addition to the part number the following details shall also be advised:

Conductor Type (Aluminium or Copper) and class of conductor (Cl. 1 or 2).

Insulation Type – PVC Type A / C.

Sheath Type – PVC Type ST – 1 / FR / FRLS; PVC Type ST – 2 / FR / FRLS

Part Number	Nominal Cross Sectional Area (Sq. mm)	Minimum No. of Strands in Conductor		Nominal Thickness of Insulation (mm)	Minimum Thickness of Inner Sheath (mm)	Nominal Thickness of Outer Sheath(mm)	Approx Overall Diameter (mm)	Approx. Net Wt. of Cable (Kg / Km)
		AL	CU					AL Cable AYY	CU Cable YY
		AL	CU					AL Cable AYY	CU Cable YY
110200200004	4	_	1/7	1.0	0.3	1.8	14	240	290
110200200006	6	1	1/7	1.0	0.3	1.8	17	300	370
110200200010	10	1	6.0	1.0	0.3	1.8	18	400	520
110200200016	16	6	6.0	1.0	0.3	1.8	17	430	630
110200200025	25	6	6.0	1.2	0.3	2.0	19	450	750
110200200035	35	6	6.0	1.2	0.3	2.0	21	550	980
110200200050	50	6	6.0	1.4	0.3	2.0	24	700	1300
110200200070	70	12	12.0	1.4	0.3	2.0	26	850	1700
110200200095	95	15	15.0	1.6	0.4	2.2	30	1150	2300
110200200120	120	15	18.0	1.6	0.4	2.2	32	1300	2800
110200200150	150	15	18.0	1.8	0.4	2.4	34	1600	3450
110200200185	185	30	30.0	2.0	0.5	2.4	38	2000	4300
110200200240	240	30	34.0	2.2	0.5	2.6	42	2500	5500
110200200300	300	30	34.0	2.4	0.6	2.8	46	3000	6700
110200200400	400	53	53.0	2.6	0.7	3.2	52	3800	8750
110200200500	500	53	53.0	3.0	0.7	3.4	54	4800	11000
110200200630	630	53	53.0	3.4	0.7	3.8	65	6000	13800

Part Number	Nominal Cross Sectional Area (Sq. mm)	Max. DC Conductor Resistance at 20°C (Ω/km)		Max. AC Conductor Resistance at 70°C (Ω/km)		Approx. Reactance at 50 Hz (Ω/km)	Approx. Capacitance of Cable (microF /KM)	Normal Current Rating (Amps)						Short Circuit Current Rating for 1sec. Duration (K.Amps)
		AL	CU	AL	CU			With AL Cond.			With CU Cond.			AL	CU
								Ground	Duct	Air	Ground	Duct	Air
								Ground	Duct	Air	Ground	Duct	Air
110200200004	4	_	4.61	_	5.53	0.098	0.23	34	28	30	44	37	39	0.304	0.46
110200200006	6	4.61	3.08	5.53	3.7	0.096	0.28	43	37	40	55	47	50	0.456	0.69
110200200010	10	3.08	1.83	3.7	2.2	0.091	0.34	57	48	53	74	61	67	0.76	1.15
110200200016	16	1.91	1.15	2.29	1.38	0.085	0.4	78	61	70	94	78	85	1.22	1.84
110200200025	25	1.2	0.727	1.44	0.87	0.083	0.42	95	80	99	120	100	125	1.9	2.88
110200200035	35	0.868	0.524	1.04	0.63	0.082	0.48	116	94	117	145	120	155	2.66	4.03
110200200050	50	0.641	0.387	0.769	0.464	0.082	0.49	140	110	140	170	145	190	3.8	5.75
110200200070	70	0.443	0.268	0.532	0.322	0.076	0.56	170	140	176	210	175	235	5.32	8.05
110200200095	95	0.32	0.193	0.384	0.232	0.076	0.58	200	165	221	250	210	290	7.22	10.9
110200200120	120	0.253	0.153	0.304	0.184	0.075	0.63	225	185	258	285	240	330	9.12	13.8
110200200150	150	0.206	0.124	0.247	0.1488	0.074	0.63	255	210	294	315	270	375	11.4	17.3
110200200185	185	0.164	0.0991	0.197	0.1189	0.074	0.64	285	235	339	355	300	435	14.1	21.28
110200200240	240	0.125	0.0754	0.151	0.0912	0.073	0.67	325	270	402	410	350	510	18.2	27.6
110200200300	300	0.1	0.0601	0.122	0.0733	0.073	0.68	370	305	461	460	390	590	22.8	34.5
110200200400	400	0.0778	0.047	0.0961	0.058	0.072	0.7	435	350	542	520	440	670	30.4	46
110200200500	500	0.0605	0.0366	0.0759	0.0459	0.072	0.7	481	405	624	580	480	750	38	57.5
110200200630	630	0.0469	0.0283	0.061	0.0368	0.072	0.7	537	470	723	680	575	875	47.9	72.55

Electrical Parameters

Part Number	Nominal Cross Sectional Area (Sq. mm)	Max. DC Conductor Resistance at 20°C (Ω/km)		Max. AC Conductor Resistance at 70°C (Ω/km)		Approx. Reactance at 50 Hz (Ω/km)	Approx. Capacitance of Cable (microF /KM)	Normal Current Rating (Amps)						Short Circuit Current Rating for 1sec. Duration (K.Amps)
		AL	CU	AL	CU			With AL Cond.			With CU Cond.			AL	CU
								Ground	Duct	Air	Ground	Duct	Air
								Ground	Duct	Air	Ground	Duct	Air
110200200004	4	_	4.61	_	5.53	0.098	0.23	34	28	30	44	37	39	0.304	0.46
110200200006	6	4.61	3.08	5.53	3.7	0.096	0.28	43	37	40	55	47	50	0.456	0.69
110200200010	10	3.08	1.83	3.7	2.2	0.091	0.34	57	48	53	74	61	67	0.76	1.15
110200200016	16	1.91	1.15	2.29	1.38	0.085	0.4	78	61	70	94	78	85	1.22	1.84
110200200025	25	1.2	0.727	1.44	0.87	0.083	0.42	95	80	99	120	100	125	1.9	2.88
110200200035	35	0.868	0.524	1.04	0.63	0.082	0.48	116	94	117	145	120	155	2.66	4.03
110200200050	50	0.641	0.387	0.769	0.464	0.082	0.49	140	110	140	170	145	190	3.8	5.75
110200200070	70	0.443	0.268	0.532	0.322	0.076	0.56	170	140	176	210	175	235	5.32	8.05
110200200095	95	0.32	0.193	0.384	0.232	0.076	0.58	200	165	221	250	210	290	7.22	10.9
110200200120	120	0.253	0.153	0.304	0.184	0.075	0.63	225	185	258	285	240	330	9.12	13.8
110200200150	150	0.206	0.124	0.247	0.1488	0.074	0.63	255	210	294	315	270	375	11.4	17.3
110200200185	185	0.164	0.0991	0.197	0.1189	0.074	0.64	285	235	339	355	300	435	14.1	21.28
110200200240	240	0.125	0.0754	0.151	0.0912	0.073	0.67	325	270	402	410	350	510	18.2	27.6
110200200300	300	0.1	0.0601	0.122	0.0733	0.073	0.68	370	305	461	460	390	590	22.8	34.5
110200200400	400	0.0778	0.047	0.0961	0.058	0.072	0.7	435	350	542	520	440	670	30.4	46
110200200500	500	0.0605	0.0366	0.0759	0.0459	0.072	0.7	481	405	624	580	480	750	38	57.5
110200200630	630	0.0469	0.0283	0.061	0.0368	0.072	0.7	537	470	723	680	575	875	47.9	72.55

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