Legrand Zucchini busbar catalogue 2013...the backbone of modern buildings

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37
MR medium rating busbar
feed units
MR is 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)
IP 55 (according to BS EN 60529)
Pack Cat. Nos. Feed units
Metal end feed units
For plates and hole dimensions
refer to switchboard-transformer
feed units with same rating (p. 38)
Left end
Weight (kg)
Aluminium Copper Rating (A) Aluminium Copper
1 504 01131 160 17·74 –
1 504 01132 55401132 250 17·76 18·47
1 504 01133 55401133 315 17·83 18·70
1 504 01134 55401134 400 23·22 19·58
1 504 01138 500 23·20 –
1 504 01135 55401135 630 23·63 26·07
1 504 01136 55401136 800 23·70 27·80
1 504 01137 55401137 1 000 24·00 29·03
Right end
Weight (kg)
Rating (A) Aluminium Copper
1 504 01121 160 16·64 –
1 504 01122 55401122 250 16·76 17·37
1 504 01123 55401123 315 17·03 17·70
1 504 01124 55401124 400 18·32 18·88
1 504 01128 500 20·00 –
1 504 01125 55401125 630 19·43 21·17
1 504 01126 55401126 800 19·80 23·30
1 504 01127 55401127 1 000 20·20 24·83
Plastic end feed units
Terminals accept cables up to
150 mm2. For higher ratings attach
cable lugs to spreaders provided
Left end
Weight (kg)
Aluminium Copper Rating (A) Aluminium Copper
1 504 01111 160 6·80 –
1 504 01112 55401112 250 6·85 7·20
Right end
Weight (kg)
Rating (A) Aluminium Copper
1 504 01101 160 5·70 –
1 504 01102 55401102 250 5·85 6·10
Pack Cat. Nos. Feed units (continued)
End feed unit with AC23 switch
disconnector
This feed unit allows isolation of
the line for maintenance
Right end up
Weight (kg)
Aluminium Copper Rating (A) Aluminium Copper
1 50403401 160 17·94 –
1 50403402 55403402 250 18·10 19·12
1 50403403 55403403 315 18·86 19·40
1 50403404 55403404 400 21·79 20·34
1 50403408 500 22·42 –
1 50403405 55403405 630 23·64 26·88
1 50403406 55403406 800 24·95 28·67
1 50403407 55403407 1 000 26·50 29·95
Right end down
Weight (kg)
Rating (A) Aluminium Copper
1 50403411 160 17·94 –
1 50403412 55403412 250 18·10 19·12
1 50403413 55403413 315 18·86 19·40
1 50403414 55403414 400 21·79 20·34
1 50403418 500 22·42 –
1 50403415 55403415 630 23·64 26·88
1 50403416 55403416 800 24·95 28·67
1 50403417 55403417 1 000 26·50 29·95
Left end up
Weight (kg)
Rating (A) Aluminium Copper
1 50403421 160 17·94 –
1 50403422 55403422 250 18·10 19·12
1 50403423 55403423 315 18·86 19·40
1 50403424 55403424 400 21·79 20·34
1 50403428 500 22·42 –
1 50403425 55403425 630 23·64 26·88
1 50403426 55403426 800 24·95 28·67
1 50403427 55403427 1 000 26·50 29·95
Left end down
Weight (kg)
Rating (A) Aluminium Copper
1 50403431 160 17·94 –
1 50403432 55403432 250 18·10 19·12
1 50403433 55403433 315 18·86 19·40
1 50403434 55403434 400 21·79 20·34
1 50403438 500 22·42 –
1 50403435 55403435 630 23·64 26·88
1 50403436 55403436 800 24·95 28·67
1 50403437 55403437 1 000 26·50 29·95
End stops
Ensure IP 55 protection at the end
of the run
For right and left feed units
1 50403101 160 – 315 A - for aluminium
250 – 400 A - for copper
1 50403102 400 – 1000 A - for aluminium
630 – 1000 A - for copper
Feed unit
left end
Right end up feed
unit with AC23 switch
disconnector
End stop Feed unit
right end
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
i t d
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
-
-