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

Construction Details

Conductor
StrandingMaterial
SolidBC - Bare Copper
Insulation
MaterialNom. ThicknessNom. Insulation DiameterColor Code
LSZH - Low Smoke Zero Halogen (Flame Retardant)0.5 mm (0.020 in)1.8 mm (0.071 in)Red & Blue
Outer Shield
Shield TypeCoverage
Tape100%
Outer Jacket
MaterialNom. ThicknessNom. Diameter
LSZH - Low Smoke Zero Halogen (Flame Retardant)1.4 mm (0.055 in)6.6 mm

Electrical Characteristics

Electricals
Max. Conductor DCRNom. Capacitance Cond-to-Cond
37.5 Ohm/km70 pF/m (21 pF/ft)

Mechanical Characteristics

Temperature
OperatingStorage
-20°C To +70°C-30°C to +70°C
Bend Radius
Installation Min.
66 mm

Standards and Compliance

Environmental Suitability: Indoor - Euroclass B2ca
Flammability / Reaction to Fire: IEC 60332-1-2
CPR Compliance: CPR Euroclass: B2ca-s1,d1,a1
European Halogen Free Standards: IEC 62821-1 Halogen Free Compliance = Yes, 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

History

Update and Revision: Revision Number: 0.58 Revision Date: 09-07-2025

Part Numbers

Variants
Item #
77905ELV.00500
77905ELV.001000
2025-Belden-Product Bulletin-KNX.pdf
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