Caledonian Medium Voltages Cables - BS 6622 Single Core Unarmoured (Copper Wire Screen) 22KV XLPE Stranded Copper Conductors

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BS 6622 Single Core Unarmoured (Copper Wire Screen) 22KV XLPE Stranded Copper Conductors

Edilizia

cross-sectional area mmsq	Minimum average thickness of insulation mm	Nominal diameter over insulation mm	Nominal area of copper wire screen mm	Nominal average thickness of PVC oversheath mm	Nominal overall diameter of cable mm
50	5.5	21.6	16	1.8	28.8
70	5.5	23.4	16	1.9	30.6
95	5.5	25.1	16	1.9	32.5
120	5.5	26.6	16	2.0	34.0
150	5.5	27.9	16	2.0	35.5
185	5.5	29.7	16	2.1	37.3
240	5.5	31.9	25	2.2	39.7
300	5.5	34.2	25	2.2	42.2
400	5.5	36.9	35	2.3	45.2
500	5.5	39.8	35	2.4	48.3
630	5.5	43.2	35	2.5	51.9
800	Please refer to our technical department for further information
1000

Installation

cross-sectional area mmsq	Approximate cable weight kg/m	Nominal drum length m	Minimum bending radius mm	Nominal internal diameter of ducts mm
50	1.2	1000	550	100
70	1.5	1000	600	100
95	1.8	1000	600	100
120	2	500	650	100
150	2.4	500	650	100
185	2.7	500	700	100
240	3.4	500	750	100
300	4.1	500	800	100
400	5	500	850	100
500	6.1	500	900	100
630	7.4	250	950	100
800	Please refer to our technical department for further information
1000

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
50	387	494	141	573	177	0.71
70	268	343	132	367	200	0.80
95	193	248	125	277	222	0.89
120	153	196	120	230	241	0.96
150	124	159	117	197	257	1.03
185	99.1	128	112	169	280	1.12
240	75.4	98	108	145	307	1.23
300	60.1	80	105	131	336	1.34
400	47	64	101	119	370	1.48
500	36.6	57	98.3	110	406	1.62
630	28.3	42	94.9	103	449	1.80
800	Please refer to our technical department for further information
1000

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
50	220	225	260	6.8	2.6
70	270	270	320	9.8	2.6
95	320	320	390	13.3	2.6
120	360	360	445	17.2	2.6
150	410	405	510	21.2	2.6
185	460	445	580	26.6	2.6
240	530	520	680	34.9	4.3
300	600	570	770	43.8	4.3
400	690	630	890	57.3	5.8
500	760	700	1020	72.3	5.8
630	850	780	1160	91.2	5.8
800	Please refer to our technical department for further information
1000