Cable of interface RS-422/485, 4x(2x22 AWG STP) SFTP, 120 Ohm, covered with waterproof aluminum band, in the double jacket

1 – Jacket 2 – Armour 3 – Inner jacket 4 – Shield-foil 5 – Shield-braid 6 – Stranded twisted pair 7 – Drain wire

Description

This data transference cable is designed for the applications like RS-422. It includes 2 separately shielded twisted pairs braided together and encased in the common polyester aluminum foil and copper braid shield. The shielded core is covered with waterproof aluminum band and the outer ultrastrong light-stabilized polyethylene jacket. The cable is suitable for the indoor/outdoor cabling.

Materials

Conducting material: tinned copper wire, stranded Core insulation: foamed polyolefin Individual shield: polyester aluminum foil, coating density 100% Shield: tinned copper wire braid, braid coating density -100%, sheath coating density 85% Inner jacket: fire-resistant PVC-compound Armour: waterproof aluminum band Jacket: ultrastrong light-stabilized black polyethylene

Technical characteristics

Conductor (core) diameter	7 x 0.254 mm (7 x 0.01") (22 AWG)
Insulated conductor diameter	2.13 mm (0.08")
Armour	150 micron
Inner jacket thickness	1.1 mm (0.04")
The outer jacket thickness	1.2 mm (0.05")
Cable outer diameter	15.4 mm (0.61")
Cable weight per 1000 ft	63.3 kg (140.7 lbs)
Bend radius	160 mm (6.30"), or more
Operation temperature	-20°C – +70°C (-4°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	120 Ohm
Propagation velocity	76%, or more
Dielectric breakdown strength	500 V/1 min

Ordering:

RS-S/SF4-A-PE	Cable of interface RS-422/485, 4x(2x22 AWG STP) SFTP, 120 Ohm, covered with waterproof aluminum band, in the double jacket
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