Product Hierarchy
Product Hierarchy

77905ELV - KNX, 1PR 0.8mm Sol BC, LSZH ins, OS, LSZH Jkt, B2ca

KNX, 1 Pair, 0.8 mm cond diameter, Bare Copper - Solid, LSZH insulation, Overall Beldfoil® shielding, LSZH / FRNC jacket , CPR B2ca

Product Overview

Suitable Applications: KNX, EIB cable for building management

Physical Characteristics (Overall)

StrandingMaterialNominal DiameterNo. of Pairs
SolidBC - Bare Copper0.8 mm1
Conductor Count: 2
MaterialNominal DiameterDiameter +/- ToleranceNominal Wall Thickness
LSZH - Low Smoke Zero Halogen (Flame Retardant)1.8 mm0.05 mm0.5 mm
Color Chart
Pair 1Red & Blue
Outer Shield
TypeMaterial Trade NameCoverage [%]Thickness of FoilDrainwire MaterialDrainwire Diameter
TapeBeldfoil®100%9 µmTC - Tinned Copper0.4 mm
Outer Jacket
MaterialNominal DiameterNominal Wall Thickness
LSZH - Low Smoke Zero Halogen (Flame Retardant)6.6 mm1.4 mm

Construction and Dimensions

1 pair covered with a PP foam foil

Electrical Characteristics

Conductor DCR
Max. Conductor DCR
37.5 Ohm/km
Nom. Capacitance Conductor to Conductor
70 pF/m
Voltage Rating [V]
300 V
Electrical Characteristics Notes: Testvoltage 4 kV, 1 min

Temperature Range

Storage Temperature Range: -30°C to +70°C
Operating Temperature Range: -20°C To +70°C

Mechanical Characteristics

Min. Bend Radius During Installation: 66 mm
Min Setting Radius: 33 mm


CPR Euroclass: B2ca-s1,d1,a1

Applicable Environmental and Other Programs

Environmental Space: Indoor - Euroclass B2ca

Flammability, LS0H, Toxicity Testing

IEC Flammability: IEC 60332-1-2
IEC 60754-1 - Halogen Amount: Zero
IEC 60754-2 - Halogen Acid Gas Amount - Max. Conductivity: 2.5 µS/mm
IEC 60754-2 - Halogen Acid Gas Amount - Min. pH: 4.3


Update and Revision: Revision Number: 0.35 Revision Date: 04-08-2022
No accessories are available for this product