Catalog

Cable of interface RS-422/485, 4x2x22 AWG SFTP, 120 Ohm, in PVC jacket, frost-resistant

1 – Jacket
2 – Shield-foil
3 – Shield-braid
4 – Stranded twisted pair
5 – Main load-bearing element
6 – Drain wire
Description
Data transference cable designed for the applications like RS-485 and RS-422 consists of 2 twisted pairs braided with load-bearing rods and encased in common aluminum foil and copper braid shield. The cable shielded core is covered with the outer fire-resistant PVC jacket.
The cable complies with UL 1581 VW-1 and IEC 60332.1

Materials
Conducting material: tinned copper wire, stranded
Core insulation: foamed polyolefin
Shield: tinned copper wire braid, braid coating density -100%, sheath coating density 85%
Jacket: ultrastrong light-stabilized fire-resistant PVC

Technical characteristics
Conductor (core) diameter 7 x 0.254 mm (7 x 0.01") (22 AWG)
Insulated conductor diameter 2.13 mm (0.08")
Cable outer diameter 13 mm (0.51")
Cable weight per 1000 ft 40 kg (89 lbs)
Bend radius 50 mm (1.97"), or more
Operation temperature -55°C – +70°C (-67°F – +158°F)

Electrical characteristics:
Direct-current resistance at 20°C (68°F) 59 Ohm/km (94.95 Ohm/mile)
Electric capacity at 1 kHz 45 pF/m (13.72 pF/ft)
Wave impedance at 1 MHz 120 Ohm
Propagation velocity 76%, or more
Dielectric breakdown strength 500 V/1 min
Ordering:
RS-SF4-O Cable of interface RS-422/485, 4x2x22 AWG SFTP, 120 Ohm, in PVC jacket, frost-resistant
  There is a Minimum Order Quantity applied to this product. Contact our Sales Department for more information