AYY/YY-3 CORE

Cable Construction

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

3 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 compacted shape Cl. 2 as per IS 8130

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

Above 10 Sq. mm conductor are stranded 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, yellow, blue

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
110300300004	4	_	1/7	1.0	0.3	1.8	16	280	330
110300300006	6	1	1/7	1.0	0.3	1.8	18	350	460
110300300010	10	1	6	1.0	0.3	1.8	19	430	640
110300300016	16	6	6	1.0	0.3	1.8	19	450	720
110300300025	25	6	6	1.2	0.3	2.0	22	610	1070
110300300035	35	6	6	1.2	0.3	2.0	24	730	1390
110300300050	50	6	6	1.4	0.3	2.0	27	930	1860
110300300070	70	12	12	1.4	0.4	2.2	30	1190	2490
110300300095	95	15	15	1.6	0.4	2.2	34	1590	3340
110300300120	120	15	18	1.6	0.4	2.2	37	1890	4090
110300300150	150	15	18	1.8	0.5	2.4	40	2290	5090
110300300185	185	30	30	2.0	0.5	2.6	44	2740	6190
110300300240	240	30	34	2.2	0.6	2.8	50	3490	7940
110300300300	300	30	34	2.4	0.6	3.0	55	4290	9890
110300300400	400	53	53	2.6	0.7	3.4	62	5430	12790
110300300500	500	53	53	3.0	0.7	3.6	69	6900	16190
110300300630	630	53	53	3.4	0.7	4.0	77	8690	20390

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	28	23	23	36	30	30	0.304	0.46
110200200006	6	4.61	3.08	5.53	3.7	0.096	0.28	35	30	30	45	38	39	0.456	0.69
110200200010	10	3.08	1.83	3.7	2.2	0.091	0.34	46	39	40	60	50	52	0.76	1.15
110200200016	16	1.91	1.15	2.29	1.38	0.085	0.4	60	50	51	77	64	66	1.22	1.84
110200200025	25	1.2	0.727	1.44	0.87	0.083	0.42	76	63	70	99	81	90	1.9	2.88
110200200035	35	0.868	0.524	1.04	0.63	0.082	0.48	92	77	86	120	99	110	2.66	4.03
110200200050	50	0.641	0.387	0.769	0.464	0.082	0.49	110	95	105	145	125	135	3.8	5.75
110200200070	70	0.443	0.268	0.532	0.322	0.076	0.56	135	115	130	175	150	165	5.32	8.05
110200200095	95	0.32	0.193	0.384	0.232	0.076	0.58	165	140	155	210	175	200	7.22	10.9
110200200120	120	0.253	0.153	0.304	0.184	0.075	0.63	185	155	180	240	195	230	9.12	13.8
110200200150	150	0.206	0.124	0.247	0.1488	0.074	0.63	210	175	205	270	225	265	11.4	17.3
110200200185	185	0.164	0.0991	0.197	0.1189	0.074	0.64	235	200	240	300	255	305	14.1	21.3
110200200240	240	0.125	0.0754	0.151	0.0912	0.073	0.67	275	235	280	345	295	355	18.2	27.6
110200200300	300	0.1	0.0601	0.122	0.0733	0.073	0.68	305	260	315	385	335	400	22.8	34.5
110200200400	400	0.0778	0.047	0.0961	0.058	0.072	0.7	335	290	375	425	360	435	30.4	46
110200200500	500	0.0605	0.0366	0.0759	0.0459	0.072	0.7	370	320	425	470	390	520	38	57.5
110200200630	630	0.0469	0.0283	0.061	0.0368	0.072	0.7	405	350	480	555	470	675	47.9	72.5

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