BSC 143 300/500V Instrumentation & Control Cables

BSC 143 300/500V

Application

For transmission of analogue and digital signals in instrument and control systems, allowed for use in zone 1 and zone 2 group ii classified areas (IEC 60079-14), not allowd for direct connection to low impedance source, e.g. the public mains electricity supply.

Construction

Conductor	plain Tinned copper conductors 0.75mm2 class 5
Insulation	PVC Type 2
Collective Screen	24??m aluminium / PETP tape over 7-stranded tinned copper drain wire, 0.5mm2
Inner Sheath	Polyvinyl chloride PVC
Armour	Galvanised steel wire armour
Outer Sheath	Polyvinyl chloride PVC

Electrical Data

Conductor resistance	Ohm/Km	Max 25
Insulation Resistance	GohmxKm	Min 5
Mutual Capacitance	Max nF/Km
	Single Pair/Triple	100
	up to & Inc 4 pair/triple	78
	above 4 pair/triple	65
Capacitance Unbalance	pF/500m	Max 500
Inductance	mH/Km	Max 1
L/R ratio	uH/ohm	Max 25
Test Voltage	V	2000
Operating Voltage	V	500

Parameter

Number of Pairs	Dia over pairs	Dia over screen	RT of bedding	Dia over beddin	Dia of armour wire	Dia over armour	RT of outer sheath	Nominal overall dia	Weight	BATT Part No	Gland size
No.	mm	mm2	mm	mm	mm	mm	mm	mm	kg/km	mm	mm
2	7.3	7.8	1.1	10	1.25	12.5	1.5	15.5	456	85410	20S
5	11.4	11.9	1.2	14.3	1.25	16.8	1.5	19.8	714	85141	20
10	15.6	16.1	1.3	18.7	1.6	21.9	1.7	25.3	1241	85142	25
20	21.0	21.5	1.5	24.5	1.6	27.7	1.8	31.3	1300	85143	32
30	25.6	26.1	1.7	29.5	2.0	33.5	2.0	37.5	2551	85144	32
50	32.9	33.4	2.0	37.4	2.0	41.4	2.2	45.8	3835	85145	50S

Colour Code

1	Black	Blue	18	Brown	White	35	Red	Orange
2	Black	Orange	19	Brown	Grey	36	Red	Yellow
3	Black	Green	20	Grey	White	37	Red	Brown
4	Black	Brown	21	Black	White	38	Red	Violet
5	Black	Grey	22	Black	Red	39	Grey	Yellow
6	Blue	White	23	Black	Yellow	40	Grey	Violet
7	Blue	Orange	24	Black	Violet	41	Orange	Yellow
8	Blue	Green	25	White	Red	42	Orange	Violet
9	Blue	Brown	26	White	Yellow	43	Yellow	Brown
10	Blue	Grey	27	White	Violet	44	Yellow	Violet
11	Orange	White	28	Blue	Red	45	Brown	Violet
12	Orange	Green	29	Blue	Yellow	46	Turquoise	Back
13	Orange	Brown	30	Blue	Violet	47	Turquoise	Blue
14	Orange	Grey	31	Green	Red	48	Turquoise	Red
15	Green	White	32	Green	Yellow	49	Turquoise	Orange
16	Green	Brown	33	Green	Violet	50	Turquoise	Yellow
17	Green	Grey	34	Red	Grey

Standards

EN 50288-7 Instrument Cables

BS 5308 Instrument Cables

PAS 5308 Instrument Cables

NF M87-202 Instrument Cables

ANSI/NEMA WC 53-2000/ANSI/NEMA WC 57-2004 Instrument Cables

Applications

Marine & Offshore Cables

Rolling Stock Cables

Fire Resistant Instrument Cables

Fire Retardant Instrument Cables

Special Application Cables