Multi Cores Mica Tape Galvanised Steel Wire Armoured Fire Resistant Low Voltage Power Cable

Multi Cores Mica Tape Galvanised Steel Wire Armoured Fire Resistant Low Voltage Power Cable

 

CU/MGT/XLPE/LSZH/SWA/LSZH (Multi Cores)
Mica Tape, XLPE Insulated, LSZH Bedded, Galvanised Steel Wire Armoured, LSZH Sheathed Cable

 

Application

These cables are suitable for indoor and outdoor applications, where a high safety against flame is required .
Public address and emergency voice communication system and traffic control centres.
Control and instrumentation service in industrial, commercial and residential buildings.
Such as: Schools&Universities, Hospital, Markets & Malls, Hotels, Theatres, Cinemas, Airports, Underground stations, Tunnels, Recreational
places& Amusement parks, Indoor work places.

multi core MGT insulation sheath swa sheath

Construction

Conductor: Plain annealed copper, class1 solid or class 2 stranded acc. to IEC 60228.
Flexible class 5 or tinned conductor could be offer upon request.
Fire Barrier: Mica tape (MGT).
Insulation: Cross-linked polyethlene (XLPE) compound as per IEC 60502-1.
Insulation Color Code:

Number of Cores Color Code to IEC 60502-1 Color Code to BS 5467
6 and above White with Black Numbering
or Others
White with Black Numbering
or Others

Assembly: Cores cabled together with PP filler and covered with non-woven tape.
Bedding: Low smoke zero halogen (LSZH) compound type ST8 (90°C) of IEC 60502-1.
Bedding Colour: Black.
Armour: Galvanized steel wire armoured (SWA).
Outer Sheath: Low smoke zero halogen (LSZH) compound type ST8 (90°C) of IEC 60502-1.
Outer Sheath Color: Orange or other color as per customer request.

 

Electrical Characteristics

Recommended rated voltages U0

Highest system voltage
(Um) (kV)
Rated voltage (U0) (kV)
Categories A and B Category C
1,2 0,6 0,6

Routine test voltages

Rated voltage U0 (kV) 0,6
Test voltage (kV) 3,5

Maximum conductor temperatures for different types of insulating compound

Maximum conductor temperature (°C)
Normal operation Short-circuit (5 s maximum duration)
90 250

Operating Temperature: -15°C to 90°C
Test Voltage: 3.5 kV for 5 minutes

 

Installation Reference

Min.Bending Radius (mm): 10 x cable overall diameter
Max.Pulling Tension (N/mm2): 70

 

Reference Standards

Design Specification: IEC60502-1
Conductor: IEC60228, BS EN60228
Fire Resistance: BS6387(C,W,Z), SS299(C,W,Z), IEC60331
Flame Retardancy: IEC60332-3-22, BS EN60332-3-22
Low Smoke Zero Halogen: IEC61034-2, BS EN61034-2, IEC60754-1, IEC60754-2, BS EN50267-2-1, BS EN50267-2-2

 

Dimension

No.of Cores Nominal Conductor Area
(mm2)
No.and Diameter of Wires
(no./mm)
Thickness of Insulation
(mm)
Thickness of Bedding
(mm)
Diameter Under Armour
(mm)
Diameter of Armour Wire
(mm)
Thickness of Sheath
(mm)
Overall Diameter
(mm)
Approximate
Weight
(kg/km)
5 1.5 7/0.53 0.7 1 12.5 1.25 1.8 18.6 681
7 7/0.53 0.7 1 13.7 1.25 1.8 19.8 784
10 7/0.53 0.7 1 17.6 1.6 1.8 24.4 1169
12 7/0.53 0.7 1 18.2 1.6 1.8 25 1253
19 7/0.53 0.7 1 21.5 1.6 1.8 28.3 1605
20 7/0.53 0.7 1 22 1.6 1.8 28.8 1661
24 7/0.53 0.7 1 25.3 2 2 33.3 2194
37 7/0.53 0.7 1.2 29.6 2 2.1 37.8 2846
5 2.5 7/0.67 0.7 1 13.6 1.25 1.8 19.7 784
7 7/0.67 0.7 1 14.9 1.25 1.8 21 915
10 7/0.67 0.7 1 19.2 1.6 1.8 26 1364
12 7/0.67 0.7 1 19.9 1.6 1.8 26.7 1475
19 7/0.67 0.7 1 23.6 1.6 1.9 30.6 1939
20 7/0.67 0.7 1 24.2 1.6 1.9 31.2 2010
24 7/0.67 0.7 1.2 28.3 2 2.1 36.5 2681
37 7/0.67 0.7 1.2 32.6 2 2.2 41 3467
5 4 7/0.85 0.7 1 15.1 1.6 1.6 21.5 1044
7 7/0.85 0.7 1 16.6 1.6 1.6 23 1227
10 7/0.85 0.7 1 21.4 1.6 1.8 28.2 1649
12 7/0.85 0.7 1 22.1 1.6 1.8 28.9 1801
19 7/0.85 0.7 1 26.3 2 2 34.3 2676
20 7/0.85 0.7 1.4 43.5 2.5 2.6 53.7 4264
24 7/0.85 0.7 1.6 50.6 2.5 2.9 61.4 5104
37 7/0.85 0.7 1.8 58.9 2.5 3.2 70.3 6527

 

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