Power Cables

PVC Insulated & Sheathed Unarmoured

PVC Insulated & Sheathed Armoured

XLPE Insulated PVC/LSOH Sheathed

LSOH Insulated Conduit Wires

Power Cables

BS 6622 Single Core Armoured 22KV XLPE Stranded Copper Conductors

Construction

cross-sectional area mmsq	Minimum average thickness of insulation mm	Nominal diameter over insulation mm	Nominal thickness of PVC bedding mm	Nominal number and diameter of armoured wires no./mm	Nominal thickness of PVC oversheath mm	Nominal overall diameter of cable mm
50	5.5	21.6	1.2	47/1.6	2	32.7
70	5.5	23.4	1.2	40/2.0	2	35.3
95	5.5	25.1	1.2	43/2.0	2.1	37.2
120	5.5	26.6	1.2	45/2.0	2.1	38.7
150	5.5	27.9	1.2	47/2.0	2.2	40.4
185	5.5	29.7	1.2	49/2.0	2.2	42.2
240	5.5	31.9	1.2	52/2.0	2.3	44.6
300	5.5	34.2	1.3	45/2.5	2.4	48.3
400	5.5	36.9	1.3	48/2.5	2.5	51.2
500	5.5	39.8	1.4	52/2.5	2.6	54.5
630	5.5	43.2	1.4	55/2.5	2.8	58.3
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	1.6	1000	600	100
70	1.9	500	650	100
95	2.3	500	700	100
120	2.6	500	700	100
150	2.9	500	750	100
185	3.4	500	800	100
240	4.0	500	850	100
300	4.9	500	900	100
400	5.8	250	950	100
500	7.0	250	1000	100
630	8.4	250	1050	100
800	Please refer to our technical department for further information
1000

Electrical Performance

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	149	515	177	0.71
70	268	343	141	370	200	0.80
95	193	248	133	281	222	0.89
120	153	196	128	234	241	0.96
150	124	159	125	201	257	1.03
185	99.1	128	120	174	280	1.12
240	75.4	98	116	151	307	1.23
300	60.1	80	113	137	336	1.34
400	47	64	109	125	370	1.48
500	36.6	51	106	117	406	1.62
630	28.3	42	102	110	449	1.8
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	210	260	6.8	Typically less then 1kA
70	270	260	320	9.8
95	320	300	380	13.3
120	360	340	440	17.2
150	410	370	490	21.2
185	450	400	560	26.6
240	510	450	650	34.9
300	570	490	730	43.8
400	640	530	830	57.3
500	700	570	940	72.3
630	760	610	1050	91.2
800	Please refer to our technical department for further information
1000