Block series OF-W

Copper tape shield

0.6/1kV

Flexible Cu 1 up to 4mm²

Up to 48 Conductors

PVC 70°C / PVC

Control, signalling, measuring and protective equipment; electric controls of industrial installations. Installed in aerial trays, gutters or conduits, buried in ducts or directly buried. It provides additional electromagnetic protection.

Features

Temperature ratings: 75ºC (operating), 160°C (short circuit)
Voltage rating: 600/1000 Volt A.C. – 1200 Volt A.C. (Max) – 1500 Volt D.C.
Construction requirements: IRAM 2178-1 – IEC 60502-1
Conductor requirements: IRAM NM 280 – IEC 60228
Conductor: Annealed electrolytic copper - Flexible stranding class 5
Insulation: PVC
Shield: Helical copper tape with 100% coverage and adequate overlap
Sheath: Flame retardant PVC
Fire requirements: As per IEC 60332-3-24

Electromagnetic interference protection

Fire-retardant

Flexible stranded conductors

Sequentially marked

Industrial applications

Tray cable

Identification

	Standard
	Sheath	Conductors
Multiconductor		alphanumeric identification

Instalation

Installation temperature

Over conductors

Minimum bend radius

Constructive variants

The information provided corresponds to the standard version, and different alternatives of insulation and / or covering can be used upon request.

Download PDF

ELECTRICAL CHARACTERISTICS

Resistances and intensity of admissible currents

Nominal cross-section sq mm²	Electrical resistance at 20ºC in C.C Ohm/km	Electrical resistance at 90ºC in C.A. Ohm/km	Current-carrying capacity in free air. At 40°C as per IEC 364-5-523. Formations in perforated trays or ladder type. (Ampere)
Nominal cross-section sq mm²	Electrical resistance at 20ºC in C.C Ohm/km	Electrical resistance at 90ºC in C.A. Ohm/km	2x	4x	7x	10x	19x	30x	48x
1	19.5	23.3	--	--	--	--	--	--	--
1.5	13.3	15.9	18.1	15.3	12.7	9.1	9.1	8.1	6.3
2.5	7.98	9.55	25	21	17.5	12.5	12.5	11.3	8.8
4	4.95	5.92	33	29	23.1	16.5	16.5	14.9	--

As from seven-conductors, we’ve additionally applied the correction factor for more than three conductors the chart 310.15 (B)(3)(a) of the NFPA70.

DIMENSIONS & WEIGHT

Cable Formation N° Cond. x cross-section (mm²)	Diameter below shield mm	External diameter mm	Weight kg/km	Code
5x1	9.6	13.0	246	OF 0510 W
7x1	10.4	13.7	280	OF 0710 W
10x1	12.3	15.7	352	OF 1010 W
12x1	13.3	16.6	397	OF 1210 W
14x1	14.2	17.5	441	OF 1410 W
19x1	16.2	19.5	546	OF 1910 W
24x1	17.9	21.3	648	OF 2410 W
30x1	19.8	23.2	782	OF 3010 W
37x1	21.8	25.2	920	OF 3710 W
48x1	24.5	27.9	1131	OF 4810 W
3x1.5	9.0	12.4	227	OF 0315 W
4x1.5	9.4	12.8	247	OF 0415 W
5x1.5	10.3	13.6	276	OF 0515 W
7x1.5	11.2	14.5	327	OF 0715 W
10x1.5	13.3	16.6	413	OF 1015 W
12x1.5	14.4	17.7	469	OF 1215 W
14x1.5	15.3	18.7	524	OF 1415 W
19x1.5	17.5	20.8	656	OF 1915 W
24x1.5	19.4	22.8	799	OF 2415 W
30x1.5	21.5	24.9	951	OF 3015 W
37x1.5	23.6	27.0	1126	OF 3715 W
48x1.5	27.0	30.6	1436	OF 4815 W
2x2.5	9.0	12.4	231	OF 0225 W
3x2.5	9.6	13.0	263	OF 0325 W
4x2.5	10.5	13.8	298	OF 0425 W
5x2.5	11.5	14.8	347	OF 0525 W
7x2.5	12.5	15.8	418	OF 0725 W
10x2.5	14.9	18.2	531	OF 1025 W
12x2.5	16.1	19.4	608	OF 1225 W
14x2.5	17.2	20.5	684	OF 1425 W
19x2.5	19.7	23.1	883	OF 1925 W
24x2.5	21.9	25.3	1064	OF 2425 W
30x2.5	24.2	27.6	1278	OF 3025 W
37x2.5	26.7	30.3	1537	OF 3725 W
48x2.5	30.5	34.3	1966	OF 4825 W
2x4	10.9	14.2	305	OF 0240 W
3x4	11.6	14.9	354	OF 0340 W
4x4	12.7	16.0	417	OF 0440 W
5x4	14.0	17.3	491	OF 0540 W
7x4	15.3	18.6	600	OF 0740 W
10x4	18.3	21.6	763	OF 1040 W
12x4	19.8	23.2	896	OF 1240 W
14x4	21.2	24.6	1013	OF 1440 W
19x4	24.4	27.8	1302	OF 1940 W
24x4	27.5	31.1	1629	OF 2440 W
30x4	30.5	34.3	1980	OF 3040 W
37x4	33.6	37.6	2388	OF 3740 W