Preferably in the construction of intercoms and extensions inside buildings, but also outdoors for permanent installation on buildings. These cables are specially designed for fire alarm systems.
Structure:
Conductor: single-wire bare copper conductor,
0.8 mm diameter
Core insulation: PVC
Marking: in accordance with VDE 0815
Stranding: cores in pairs Pairs in layers
Static shield: plastic-coated metal foil
with drain
wire Foil
outer sheath: green PVC with
'fire alarm cable' imprint
Technical data:
Nominal voltage: 300 V
Test voltage: 800 V
Loop resistance: 73.2 Ohm/km
Current carrying capacity: 5.1 A
Operating capacity: 100 nF/km
Insulation resistance: 100 MOhm x km
Capacitive
coupling: K1 (800 Hz, 100 m) 300 pF
Line attenuation: approx. 1.1 dB/km (800 Hz)
Temperature range: -5 °C - +50 °C (when laying)
-30 °C - +70 °C (after laying)
Operating temperature: +70 °C (max.)
Bending radius: 7.5 x Cable diameter
2.5 x cable diameter
for one-time bending without tension
Flame retardancy: according to VDE 0472 T. 804
test type B (=IEC 332-1).