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Standard Fire Resistant Cable Emergency Lighting Circuits High Performance
APPLICATION
Standard fire resistant cables for use primarily in fire detection, fire alarm, voice alarm, and emergency lighting circuits. These cables are designed to continue to operate for a period of time in a fire situation. ‘Standard’ fire resistance is recommended for general use.
CONSTRUCTION
Conductor
1.5mm2 - 2.5mm2: Class 1 solid conductor according to
BS EN 60228
4mm2: Class 2 stranded conductor according to
BS EN 60228
Insulation
High performance fire resistant silicone rubber
Overall Screen
Al/PET (Aluminium/Polyester Tape)
Circuit Protective Conductor
Tinned copper
Outer Sheath
LSZH (Low Smoke Zero Halogen)
CHARACTERISTICS
Voltage Rating
300/500V
Operating Temperature
-40°C to +90°C
Minimum Bending Radius
6 x overall diameter
Core Identification
2 cores: Blue Brown + Bare Earth
3 cores: Brown Black Grey+ Bare Earth
4 cores: Blue Brown Black Grey+ Bare Earth
Outer Sheath Color
Red ,White
DIMENSIONS
Class 1 Solid Plain Conductor
| NO. OF CORES | NOMINAL CROSS SECTIONAL AREA mm2 |
EARTH WIRE CONSTRUCTION n° /mm |
NOMINAL OUTER DIAMETER mm |
NOMINAL WEIGHT kg/km |
| 2 2 3 3 4 4 |
1.5 2.5 1.5 2.5 1.5 2.5 |
1/1.38 1/1.75 1/1.38 1/1.75 1/1.38 1/1.75 |
8 9.4 8.5 10 9.4 11 |
95 130 115 170 140 210 |
Class 2 Stranded Plain Conductor
| NO. OF CORES | NOMINAL CROSS SECTIONAL AREA mm2 |
EARTH WIRE CONSTRUCTION n° /mm |
NOMINAL OUTER DIAMETER mm |
NOMINAL WEIGHT kg/km |
| 2 3 4 |
4 4 4 |
7/0.85 7/0.85 7/0.85 |
11.5 12.2 13.5 |
200 260 330 |
ELECTRICAL CHARACTERISTICS
| NOMINAL CROSS SECTIONAL AREA mm2 |
CONDUCTOR RESISTANCE AT 20ºC Ω/km |
INSULATION RESISTANCE AT 20ºC MΩ*km |
NOMINAL CAPACITANCE pF/m |
|
| Core / Core | Core / Screen | |||
| 1 1.5 2.5 4 |
18.1 12.1 7.41 4.61 |
300 300 300 300 |
100 110 130 160 |
170 190 220 270 |
CURRENT CARRYING CAPACITY
Clipped Direct
| NOMINAL CROSS SECTIONAL AREA mm2 |
CURRENT RATING | |
| 2 Core Amps |
3 and 4 Core Amps |
|
| 1 1.5 2.5 4 |
19 24 33 45 |
17 22 30 40 |
In Conduit or in Cable Tray
| NOMINAL CROSS SECTIONAL AREA mm2 |
CURRENT RATING | |
| 2 Core Amps |
3 and 4 Core Amps |
|
| 1 1.5 2.5 4 |
17 22 30 40 |
15 19.5 26 35 |
VOLTAGE DROP
Clipped Direct
| NOMINAL CROSS SECTIONAL AREA mm2 |
VOLTAGE DROP | |
| 2 Core mV/A/m |
3 and 4 Core mV/A/m |
|
| 1 1.5 2.5 4 |
45 30 18 11 |
39 26 15 10 |
In Conduit or in Cable Tray
| NOMINAL CROSS SECTIONAL AREA mm2 |
VOLTAGE DROP | |
| 2 Core mV/A/m |
3 and 4 Core mV/A/m |
|
| 1 1.5 2.5 4 |
45 30 18 11 |
39 26 15 10 |