Caledonian Medium Voltage Cables - BS 6622 Single Core Unarmoured (Copper Wire Screened) 11kV XLPE Stranded Aluminium Conductors

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BS 6622 Single Core Unarmoured (Copper Wire Screened) 11kV XLPE Stranded Aluminium Conductors

Edilizia

cross-sectional area mmsq	Minimum average thickness of insulation mm	Nominal diameter over insulation mm	Nominal area of copper wire screen mm sq	Nominal average thickness of PVC oversheath mm	Nominal overall diameter of cable mm
70	3.4	18.8	16	1.7	25.7
95	3.4	20.5	16	1.8	27.4
120	3.4	22.0	16	1.8	29.2
150	3.4	23.3	16	1.9	30.5
185	3.4	25.1	16	1.9	32.5
240	3.4	27.3	25	2	34.9
300	3.4	29.6	25	2.1	37.2
400	3.4	32.3	35	2.2	40.1
500	3.4	35.2	35	2.3	13.2
630	3.4	39.1	35	2.4	17.4

Installation

cross-sectional area mmsq	Approximate cable weight kg/m	Nominal drum length m	Minimum bending radius mm	Nominal internal diameter of ducts mm
70	0.8	1000	400	100
95	0.9	1000	450	100
120	1.1	500	450	100
150	1.2	500	450	100
185	1.3	500	500	100
240	1.7	500	550	100
300	1.9	500	600	100
400	2.3	500	650	100
500	2.7	500	650	100
630	3.2	400	750	100

Performance Elettrica

cross-sectional area mmsq	Maximum DC resistance of conductor at 20 ℃ uohms/m	Maximum AC resistance of conductor at 90 ℃ uohms/m	Reactance at 50Hz uohms/m	Impedance at 50Hz uohms/m	Maximum Capacitace PF/m	Maximum charging current at normal voltage and frequency mA/m
70	443	568	121	581	288	0.58
95	320	410	114	426	323	0.65
120	253	325	110	343	353	0.71
150	206	265	107	286	380	0.76
185	164	211	104	234	416	0.83
240	125	161	100	190	460	0.92
300	100	130	96.9	162	506	1.01
400	77.8	102	94.0	138	561	1.12
500	60.5	81	91.3	122	619	1.24
630	46.9	64	88.1	109	697	1.37

Ratings

Cross-sectional area mmsq	Current Ratings			Short circuit ratings
Cross-sectional area mmsq	Laid direct in ground Amps	Drawn into ducts Amps	Laid in air Amps	One second short circuit rating of conductor KA	One second short circuit rating of copper per core KA
70	210	215	240	6.3	2.6
95	250	255	295	8.5	2.6
120	280	285	335	11.0	2.6
150	320	315	380	13.5	2.6
185	360	350	435	17.0	2.6
240	415	405	510	22.3	4.3
300	475	455	600	28.0	4.3
400	540	510	700	36.6	5.8
500	610	570	810	46.2	5.8
630	680	640	930	58.3	5.8