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 |
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