Halogen Free Stranded 2 Core / 3 Core LSZH Fire Resistant Cable BS7846

Product Specification

 Stranded 2 Core 3 Core LSZH Fire Retardant Cable BS7846 (Category F2)

600/1000V grade , plan annealed copper conductor, glass mica tapped, XLPE insulated, multi-core cables laid up and inner sheathed with LSF (or LSOH/LSZH), round galvanized steel wire armoured and outer jacket with LSF (or LSOH/LSZH). Specifications: BS7846 (Category F2) and BS 6387 (Category, C, W & Z). These Cables are meant for maintaining circuit integrity under fire condition for 3 hours (tested for 3 hours at 950o C temperature).

Features: Halogen Free Flame retardant Low Smoke Supplied on robust plastic reels Safe & Easy to handle Weather & Moisture resistant 100m, 500m reels and other special lengths available on request

1,Long-term allowable operating temperature of cable conductor ≤90°C

2Highest working temperature of cable in case of short circuit (the longest lasting time is not over 5s): cable conductor≤ 250°C

3The laying temperature should over 0℃,Permissible bending radius of cable:for single core unarmored cable, should be no less than 20 times of it’s outer diameter ; for multi-core unarmored cable, should be no less than 15 times of it’s outer diameter

4,With fire-resistant property, N,ZAN,ZBN,ZCN,ZDN are 5 types

5The product is applicable for AC 50 Hz transmission and distribution lines with rated voltage of 0.6/1KV

Specifications

1.electric wire and cable

2.Over 20years professional experience

3.reliable repution&famous brand RMJT

1). Rated voltage U0/U 300/500V and 450/750V.

2). The long-time permissible temperature of cable: BV-105 below 105°C,and the other below 70°C.

3). Conductor maximum short circuit(not more than 5 seconds)temperature shall not be higher than 160°c.

4). The power cable is not limited by drop in level when being laid, and the ambient temperature shall not be lower than 0°c.

5). The bend radius: the external diameter of cable <25mm, and the bend radius is above 4 times of the external diameter of

cable. And the other is above 6 times of the external diameter of cable.

6). Perfect chemical stability, resistant against acids, alkalis, grease and organic solvents, and flame.

7). Light weight, perfect bending properties, installed and maintained easily and conveniently.

8). Insulation sheath material and color: PVC in red, black, blue or any color as required.

9). Type: Single or twin cables with different colors Provides OEM according to requests of customer.

Technical and Electrical Properties

(20°C) Conductor Resistance (max.) 1 mm²: 18 Ω/km - 1.5 mm²: 12 Ω/km - 2.5 mm²: 7.4 Ω/km Insulation Resistance (min.) 200 M.Ωxkm Operating Voltage 300 V / 500 V Test Voltage 2000 V Temperature Range Fixed -30 ºC ...+90 ºC Flexing -5 ºC ...+60 ºC Min. Bending Radius Fixed 8 x Cable Diameter, Flexing 15 x Cable Diameter

The Fire Resistant cables manufactured by UCMB complied with either one or combination of the specification as below :
IEC 60331, BS 6387, SS 299 Fire Resistance Test
IEC 60332, BS 4066, IEEE 383 Flame Retardant test
IEC 61034, BS 7622, EN 50268 Smoke Emission Test
IEC 60754, BS 6425 Halogen Content Test
ASTM D 2863 Oxygen Index Test The Fire Resistant cables are categorized by a letter symbol (e.g. A) or series of symbols (e.g. CWZ) according to the requirements for fire resistance characteristics which they meet, the test temperature selected and the duration of the test for resistance to fire alone in according to BS 6387 as below :

( 1 ) Resistance to fire alone 650°C for 3 hours A 750°C for 3 hours B 950°C for 3 hours C 950°C for 20 minutes (short duration) S

( 2 ) Resistance to fire with water W

( 3 ) Resistance to fire mechanical shock 650°C X 750°C Y 950°C Z