series CD

Bare conductor

Class 2 and Class 5

1 up to 630 mm²

IRAM NM 280

Suitable for earthing networks, as neutral or return conductor in certain electrical systems.

Features

Temperature rating: 90ºC
Voltage rating: Not apply
Construction requirements: As per IRAM NM 280 – IEC 60228
Conductor: Annealed electrolytic copper class 2 or class 5

Grounded conductor

Flexible stranded conductors

Instalation

Installation temperature

Over conductors

Minimum bend radius

Constructive variants

These ropes can be provided with tinned wires as anticorrosive protection in installations where there is a high aggressiveness of the environment or terrain.

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CLASS 2

Nominal cross-section (mm²)	Stranding (*) Minimum amount of wires	External diameter mm	Weight kg/km	Electrical resistance ohm/km	Bend radius mm	Pulling tension daN/mm²	Code
0.5	-	0.9	5	-	-	-	CD 0105
0.7	-	1.1	7	-	-	-	CD 0107
1	7	1.3	9	18,1	19	5	CD 0110
1.5	7	1.5	13	12,1	24	7,5	CD 0115
2.5	7	2.0	22	7,41	30	12,5	CD 0125
4	7	2.5	35	4,61	38	20	CD 0140
6	7	3.1	53	3,08	47	30	CD 0160
10	7	4.0	88	1,83	60	50	CD 1100
16	7	5.0	139	1,15	75	80	CD 1160
25	7	6.3	220	0,727	94	125	CD 1250
35	7	7.4	305	0,524	111	175	CD 1350
50	19	8.8	416	0,387	130	250	CD 1500
70	19	10.5	600	0,268	157	350	CD 1700
95	19	12.8	839	0,193	192	475	CD 1950
120	37	14.6	1053	0,153	220	600	CD 11200
150	37	15.9	1291	0,124	239	750	CD 11500
185	37	17.5	1615	0,0991	262	925	CD 11850
240	61	19.8	2121	0,0754	300	1200	CD 12400
300	61	22.2	2662	0,0601	333	1500	CD 13000
400	61	26.2	3378	0,047	393	2000	CD 14000
500	61	28.4	4333	0,0366	426	2500	CD 15000
630	91	33.5	5619	0,0283	491	3150	CD 16300

(*) For class 2, there is a standardized minimum amount of wires to form the strand.

CLASS 5

Nominal cross-section (mm²)	Maximum wire diameter	External diameter mm	Weight kg/km	Electrical resistance ohm/km	Bend radius mm	Pulling tension daN/mm²	Code
0.5	-	0.9	4	-	-	-	CDff 0105
0.75	-	1.1	6	-	-	-	CDff 0107
1	0,21	1.2	8	19,5	19	5	CDff 0110
1.5	0,26	1.5	11	13,3	23	7,5	CDff 0115
2.5	0,26	1.9	19	7,98	30	12,5	CDff 0125
4	0,31	2.4	31	4,95	33	20	CDff 0140
6	0,31	3.0	47	3,3	46	30	CDff 0160
10	0,41	3.9	80	1,91	62	50	CDff 1100
16	0,41	4.9	129	1,21	76	80	CDff 1160
25	0,41	6.2	202	0,78	94	125	CDff 1250
35	0,41	7.3	285	0,554	109	175	CDff 1350
50	0,41	8.7	405	0,386	130	250	CDff 1500
70	0,51	10.4	572	0,272	160	350	CDff 1700
95	0,51	11.8	743	0,206	190	475	CDff 1950
120	0,51	13.8	984	0,161	211	600	CDff 11200
150	0,51	15.9	1223	0,129	244	750	CDff 11500
185	0,51	17.8	1511	0,106	265	925	CDff 11850
240	0,51	20.2	1993	0,0801	310	1200	CDff 12400
300	0,51	23.4	2481	0,0641	352	1500	CDff 13000
400	0,51	26.3	3292	0,0486	406	2000	CDff 14000
500	0,61	30.4	4330	0,0384	451	2500	CDff 15000
630	0,61	33.5	5524	0,0287	520	3150	CDff 16300

(*) For class 5, there is a standardized minimum amount of wires to form the strand.