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Pack
Cat. Nos.
Trunking lengths with fire
barriers
With external fire barriers
Please specify the required
position of the external fire barrier
when ordering (see p. 44)
Aluminium
Copper
Rating (A)
1
554EFB01
160
1
554EFB01 554EFB01 250
1
554EFB01 554EFB01 315
1
554EFB02 554EFB01 400
1
554EFB02
500
1
554EFB02 554EFB02 630
1
554EFB02 554EFB02 800
1
554EFB02 554EFB02 1 000
With internal fire barriers
Please specify the required
position of the internal fire barrier
when ordering (see p. 44)
Rating (A)
1
554IFB
0
1
160
1
554IFB
0
2 554IFB
0
1
250
1
554IFB
0
3 554IFB
0
2
315
1
554IFB
0
4 554IFB
0
5
400
1
554IFB
0
6
500
1
554IFB
0
7 554IFB
0
4
630
1
554IFB
0
8 554IFB
0
6
800
1
554IFB
0
9 554IFB
0
7 1 000
Tap-off outlet cover IP 55
Suitable for all MR versions
6 for each length
1
50403601
Weight : 0·10 kg
Pack
Cat. Nos.
Trunking lengths –
bespoke dimensions
(continued)
Please specify required length
when ordering
(see p. 49 – how to measure
bespoke dimensions)
1 000 to 1500 mm lengths
with 1 + 1 outlets
Tap-off outlets in fixed position on
both sides
Aluminium
Copper
Rating (A)
1
504
0
0141
160
1
504
0
0142 554
0
0142
250
1
504
0
0143 554
0
0143
315
1
504
0
0144 554
0
0144
400
1
504
0
0148
500
1
504
0
0145 554
0
0145
630
1
504
0
0146 554
0
0146
800
1
504
0
0147
1
554
0
0147 1 000
600 to 1500 mm lengths without
outlets
Feeder length. A tap-off point
is only possible on the junction
between two lengths
(see bolt-on tap-off boxes p. 41)
Rating (A)
1
504
0
0111
160
1
504
0
0112 554
0
0112
250
1
504
0
0113 554
0
0113
315
1
504
0
0114 554
0
0114
400
1
504
0
0118
500
1
504
0
0115 554
0
0115
630
1
504
0
0116 554
0
0116
800
1
504
0
0117
1
554
0
0117 1 000
MR
medium rating busbar
medium power 160 - 1000 A
IP 55 (according to BS EN 60529)
Flame retardant in compliance with IEC 60332-3. Fully compliant with BS EN 60439-2
Rated currents are at an average ambient temperature of 40° C (over and above the required standard of 35° C)
End feed unit (see p. 37) 50401102 Tap-off box (see p. 39) 50414063 Tap-off box (see p. 39) 50414064 Suspension bracket (see p. 42) 50632001 Tap-off box (see p. 39) 50414075Trunking length
50400102
Key : How to select the correct configuration and finish
All examples on this page show 4 conductor galvanised lengths
No. of conductors and finish is dictated by the
red
number
0
= 4 conductors. Galvanised
2
= 4 conductors. Painted
1
= 5 conductors. Galvanised
3
= 5 conductors. Painted
Replace
0
with
1
,
2
, or
3
if required
4
5
- - -
0
- - - -
- - -
1
- - - -
- - -
2
- - - -
- - -
3
- - - -
Codes table
Conductors Case
Code
Painted
Painted
Galvanized
Galvanized
MR
MRF
MR-P
MRF-P
-
-
t l
t
i t
Painted
l
i
l
i
-
4
5
- - -
0
- - - -
- - -
1
- - - -
- - -
2
- - - -
- - -
3
- - - -
Codes table
Conductors Case
Code
Painted
Painted
Gal nized
Galvanized
MR
MRF
MR-P
MRF-P
-
-
-
t l
n t r
P i t
i t
l
i
G l
i
-
-
1 : The 1 000 A aluminium is
supplied painted as standard
Dimensions and technical information p. 43-44 Measuring bespoke dimensions p. 49 Technical data p. 52-56