Industrial Automation

SB 1700-1800-2700
Shielded multiconductor for RS 232 systems
Download PDF datasheet

Attributes

  • Double Shielding
  • Fire-retardant
  • Electromagnetic interference protection
  • Hydrocarbon-resistant
  • Sunlight resistant
  • Computer Systems

Certifications

Applications

Fieldbus distribution circuits; suitable for underground and aerial raceways in RS 232 systems.

features

Temperature rating: 105ºC maximum.
Voltage rating: 300V.
Construction requirements: As per UL 13 Type PLTC.
Fire requirements: As per UL 1685.
Conductor requirements: As per ASTM B8 and ASTM B33.
NEC Code: Compliant with Art. 725 PLTC and Art. 800 Communications.

description

Conductor: Annealed tinned electrolytic copper, 7-wire stranding, class B.
Insulation: Thermoplastic compound.
Identification:

- 2 Conductors:        
- 3 Conductors:        
- 4 Conductors:        
- 5 Conductors or greater: White numbered

Shield: Aluminium-polyester tape plus tinned-copper braid in SB 1700 and SB 1800 series.  Aluminium-polyester tape plus tinned-copper drain wire in SB 2700 series.
Sheath: Grey PVC; fire-retardant; sunlight and hydrocarbon-resistant.
Stripping: Polyamide ripcord under the sheath.

 

 

optionals

Armour: Zinc-plated steel served-wire helical armour or aluminium interlock armour plus grey PVC sheath, fire-retardant, sunlight and hydrocarbon-resistant.

See Technical Note # 8, "Wire armour properties"

installation

Assembly: Minimum bend radius is 7xOD (unarmoured versions) and 12xOD (armoured versions).
Maximum pulling tension: 5daN/sq mm on copper conductors. Wire-armoured cables can withstand 10daN/sq mm on the armour wires.
Assembly temperature: 5ºC or higher.

Tables

Dimensions, Weight & General Properties



Code N° of Cond. Gauge Electrical resistance Shield Velocity of propagation Mutual capacitance Outside diameter Weight
AWG Ohm/km VP(%) pF/m pF/ft mm kg/km
SB 1703 3 24 90.9 Aluminium / Polyester  tape + tinned copper braid (65% coverage) 45 110 33.5 5.3 40
SB 1704 4 5.6 46
SB 1707 7 6.3 61
SB 1710 10 7.7 83
SB 1712 12 7.9 91
SB 1715 15 8.6 107
SB 1719 19 8.9 123
SB 1725 25 10.8 166
SB 1803 3 22 57.4 Aluminium / Polyester  tape + tinned copper braid (65% coverage) 45 125 38.1 5.6 43
SB 1804 4 5.9 49
SB 1807 7 6.7 65
SB 1810 10 8.2 89
SB 1812 12 8.4 98
SB 1815 15 9.1 114
SB 1819 19 9.5 132
SB 1825 25 11.6 179
SB 2703 3 24 90.9 Aluminium / Polyester  tape + tinned copper drain wire 45 110 33.5 4.6 28
SB 2704 4 4.9 33
SB 2707 7 5.6 45
SB 2710 10 6.8 61
SB 2712 12 7.2 71
SB 2715 15 7.9 85
SB 2719 19 8.2 99
SB 2725 25 9.6 126

pF/m = Mutual capacitance between conductors expressed in picoFarad per metre.
pF/ft = Mutual capacitance between conductors expressed in picoFarad per foot.

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