BS 5308 Part 2 Type 2 PVC / CAM / PVC / SWA / PVC Cable, Instrumentation Cable

OVERVIEW

SPECIFICATIONS

CONSTRUCTION

PARAMETER

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Application

BS 5308 cables are designed to carry communication and control signals in a variety of installation types including the petrochemical industry. The signals can be of analogue, data or voice type and from a variety of transducers such as pressure, proximity or microphone. Part 2 Type 2 cables are designed where a greater degree of mechanical protection is required namely outdoor / exposed or direct burial at suitable depth.

CHARACTERISTICS

Voltage Rating (Uo/U) 300/500V
Temperature Rating Fixed: -40ºC to +80ºC Flexed: 0ºC to +50ºC
Minimum Bending Radius
Fixed: 12 x overall diameter

Specifications

Low Voltage

Cold Resistant -40℃

construction

Conductor:

0.5mm2 - 0.75mm²: Class 5 flexible copper conductor
1mm² and above: Class 2 stranded copper conductor

Insulation:

PVC (Polyvinyl Chloride)

Screen:

Al/PET (Aluminium/Polyester Tape)

Drain Wire:

Tinned copper

Bedding:

PVC (Polyvinyl Chloride)

Armour:

SWA (Galvanized Steel Wire Armour)

Sheath:

PVC (Polyvinyl Chloride)

Sheath Colour:

Blue Black

parameter

Type 1

Conductor

ELECTRICAL CHARACTERISTICS

NO. OF PAIRS/TRIPLE	NOMINAL CROSS SECTIONAL AREA	NOMINAL OVERALL DIAMETER
	mm2	mm
1P	0.5	11.4
1P	0.75	11.8
1P	1	11.8
1P	1.5	12.9
1P	2.5	13.7
1T	0.5	11.7
1T	0.75	12.1
1T	1	12.3
1T	1.5	13.5
1T	2.5	17.3
2P(Q)	0.5	12.3
2P (Q)	0.75	13
2P (Q)	1	13
2P (Q)	1.5	14.3
2P (Q)	2.5	15.3
5P	0.5	17.9
5P	0.75	19.3
5P	1	19.7
5P	1.5	22.1
5P	2.5	24.1
10P	0.5	22.9
10P	0.75	25.5
10P	1	24.3
10P	1.5	28.4
10P	2.5	32.1
15P	0.5	26.4
15P	0.75	28.7
15P	1	28.1
15P	1.5	32.2
15P	2.5	36.4
20P	0.5	29.1
20P	0.75	31.6
20P	1	31.2
20P	1.5	35.7
20P	2.5	41

P = Pairs, Q = Quad, T = Triple

NOMINAL CROSS SECTIONAL AREA	CONDUCTOR CLASS	MAXIMUM DC RESISTANCE OF CONDUCTOR AT 20°C
mm2		ohms/km
0.5	5	39
0.75	5	26
1	1	18.1
1.5	2	12.1
2.5	2	7.41

NOMINAL CROSS SECTIONAL AREA mm2	MUTUAL CAPACITANCE pF/m		MINIMUM INSULATION RESISTANCE AT 20°C mohms/km	MAXIMUM L/R RATIO μH/ohms
NOMINAL CROSS SECTIONAL AREA mm2	Between Pairs or Adjacent Cores	Between any Core and Screen	MINIMUM INSULATION RESISTANCE AT 20°C mohms/km	MAXIMUM L/R RATIO μH/ohms
0.5	250	450	>25	25
0.75	250	450	>25	25
1	250	450	>25	25
1.5	250	450	>25	40
2.5	250	450	>25	65

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