Data communication systems
Low frequency data transmission cables
Metal foil screened pairs
LAPPKABEL UNITRONIC® ST 2919 PE
Info
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■ Application range
- Ƕ Suitable for wiring of data systems with high transmission rates
- Ƕ Designed for use as Data Highway (DH) RS 232, RS 422, and RS 485 interface
- Ƕ Suitable for use as control and instrumenta tion cables
- Ƕ Suitable for flexible and static laying in dry and damp locations
■ Product features
- Ƕ 100% screen coverage, offers optimum protection against external interference at medium and high frequencies
- Ƕ Low capacitance, double screened
- Ƕ Excellent shielding against internal and exter nal interference
■ Approvals (Norm references)
■ Design
- Ƕ Multi-wire strands of tinned copper wires
- Ƕ PE core insulation
- Ƕ Twisted pair
- Ƕ Aluminium / mylar
- Ƕ Tinned copper drain wire
- Ƕ Tinned-copper braiding
- Ƕ PVC outer sheath
- Ƕ Colour: pebble grey, RAL 7032
Colour: chrome grey, RAL 7005
Technical data
Core identification code
1 pair: wh/bu stripe + bu/wh stripe
2 pair: wh/bu stripe + bu/wh stripe
2 pair: wh/og stripe + og/wh stripe
Mutual capacitance
C/C: approx. 42 pF/m
C/S: approx. 76 pF/m
Peak operating voltage
30 V (not for power applications)
Specific insulation resistance
> 2 GOhm x km
Inductivity
approx. 0.65 mH/km
Minimum bending radius
10 x cable diameter
Test voltage
1000 V
Temperature range
-30°C to +80°C
Characteristic impedance
120 ohm
| Article number | Number of pairs and AWG per conductor | Outer diameter (mm) | Copper index (kg/km) | Weight (kg/km) |
| 3800765 | 1x2x24 AWG | 5.9 | 21.3 | 46 |
| 3800953 | 2x2x24 AWG | 8.8 | 32.9 | 86 |
| 3804582 | 1x2x22 AWG | 6.8 | 28.7 | 62 |
