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TECHNICAL INFORMATION
Technical information
288 |
Aluminium trunking systems
C.&C.MarshallLtd.
arshallLtd.
C.&C.MarshallLtd.
C.&C.MarshallLtd.
C.&C.MarshallLtd.
3
1
2
Trunking sizes up to 150mm
Trunking sizes from
150mm to 200mm
Trunking sizes over 200mm
Twin Plus – no box
1 & 2 = 5000mm² total area
1 & 2 = 2250mm² 45% space factor
With box in comps 1 or 2
1 & 2 = 2733mm² total area
1 & 2 = 1230mm² 45% space factor
XL 312 – no box
1 = 2824mm² total area
1 = 1271mm² 45% space factor
2 = 4771mm² total area
2 = 2147mm² 45% space factor
3 = 4732mm² total area
3 = 2130mm² 45% space factor
4 = 3531mm² total area
4 = 1589mm² 45% space factor
With box in comps 2 or 3
2 = 2511mm² total area
2 = 1130mm² 45% space factor
3 = 2466mm² total area
3 = 1109mm² 45% space factor
To determine cable capacity, select
the size of the cable required and its
corresponding cable factor from the
table. Divide the compartment area
figure (with or without 45% space
factor) with the cable factor figure to
achieve cable capacity.
Calculations
Please note that all the above
calculations are based on a
box depth of 30mm
Bench trunking – no box
1 & 3 = 1842mm
2
total area
1 & 3 = 829mm
2
45% space factor
2 = 3342mm
2
total area
2 = 1504mm
2
45% space factor
With box in comp 2
2 = 2188mm
2
total area
2 = 984mm
2
45% space factor
Sterling Profile 3002 –
no box
1 = 1060mm² total area
1 = 477mm² 45% space factor
2 = 3802mm² total area
2 = 1711mm² 45% space factor
3 = 1400mm² total area
3 = 630mm² 45% space factor
With box in comp 2
2 = 1535mm² total area
2 = 691mm² 45% space factor
Elegance 110 aluminium
– no box
1 = 5254mm² total area
1 = 2364mm² 45% space factor
With box in comp 1
1 = 2987mm² total area
1 = 1344mm² 45% space factor
XL 302 – no box
1 = 2680mm² total area
1 = 1206mm² 45% space factor
2 = 4639mm² total area
2 = 2088mm² 45% space factor
3 = 3490mm² total area
3 = 1570mm² 45% space factor
With box in comp 2
2 = 1123mm² total area
2 = 505mm² 45% space factor
Aluminium trunking capacity guide
Elegance 170 aluminium
– no box
1 = 1764mm² total area
1 = 794mm² 45% space factor
2 = 4508mm² Total Area
2 = 2029mm² 45% space factor
With box in comp 2
2 = 1748mm² total area
2 = 787mm² 45% space factor
C.&C.MarshallLtd.
C.&C.MarshallLtd.
Conductor type
Size
Cable factor
Stranded PVC power
1.5mm²
8.0
Stranded PVC power
2.5mm²
11.9
Stranded PVC power
4.0mm²
16.6
*Data cable
Ø5.5mm 23.8
*Data cable
Ø6.0mm 28.3
*Data cable
Ø6.5mm 33.2
*Data cable
Ø7.0mm 38.5
*Data cable
Ø8.4mm 55.4
For Data cable information, please see page 246