EN 50288-7 IS Blue Instrumentation · 4 pair 0.5 mm²
Ordering reference EN 50288-7 IS Blue Instrumentation · 4 pair 0.5 mm²
EN 50288-7
EN 50288-7 IS Blue Instrumentation
Application
Intrinsically safe loops · Process plants · Offshore instrumentation · Analyzer systems
Construction
- 1Conductor (per core)Plain or tinned copper conductor · 7 × Ø0.3 mm · IEC 60228 cl.2
- 2Pair insulationXLPE, EPR or fire resistant insulation
- 3Individual screen (IS)Al/polyester foil + tinned-copper drain
- 4FillerBedding / filler
- 5Overall screen (OS)Al/polyester foil + drain
- 6SheathBlue LSZH outer sheath
Technical parameters
Service packageIntrinsically safe instrumentation circuit package
StandardEN 50288-7
Cable designIndividual and overall screened multipair instrumentation cable
Voltage / signal class300/500 V
Pair / core design4 pair
Conductor / fibre0.5 mm²
Screen / protectionIndividual pair screen plus overall screen
Fire and safety ratingLSZH, low smoke and flame retardant
Oil, mud and environmentHazardous-area instrumentation and intrinsically safe circuits
SheathBlue LSZH outer sheath
Electrical / optical reference36.7 Ω/km max
OD guide16.5 mm
Conductor materialPlain or tinned copper conductor
Operating temperature−15 °C to +90 °C (fire-rated)
Cable weight321 kg/km
Bend radius8 x OD during installation
Outer sheathBlue LSZH outer sheath
Max DC resistance at 20 °C36.00 Ω/km
Mutual capacitance (nom.)≈ 120 pF/m core/core · 200 pF/m core/screen (nominal)
Routine test voltage2.0 kV a.c. 5 min
Ratings & materials
StandardEN 50288-7
Voltage class300/500 V
UE Cable · China
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