BS4737-3.30: 2015 Type 3 Alarm / Doorbell Cable 


Choose the number of cores and length required


 Specifications


Jacket Colour: White

No. of Cores:  4 , 6 or 8 depending on choice

Wire Gauge: 24AWG

Conductor Area CSA: 0.22mm²

No. of Max Strands x Strand Size: 7 x 0.2mm

Voltage Rating: 500Vrms

Jacket Material: PVC

Conductor Material: Copper Coated Aluminium

External Diameter: 3.5mm / 4mm / 4.2mm depending upon cores chosen

 

Core Colours

4 Core : Red, Blue, Yellow, Black

6 Core : Green, White, Red, Blue, Yellow, Black

8 Core : Brown, Green, White, Red, Blue, Yellow, Black, Orange


Electrical Characteristics:

Conductor resistance ≤155Ω/km @ 20°C

Core spark test voltage 3000V a.c

Insulation resistance ≥500 MΩ.km

Voltage test 500 V a.c. RMS, or direct current, between each

insulated conductor, for 1 min

Rated Temperature 70

 

Other Standard:

RoHS Compliant

Reaction to Fire Classification of CPR : Eca