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Siemens Barduct
Busbar Systems Busbar Typical Specification Clauses
CD-L Lighting Trunking
The following is intended as a guide to
specifying CD-L lighting Busbar trunking: All
lighting Busbar trunking shall be of approved manufacture and comply
with degree of protection IP55 as defined in IEC60439. The current
rating will be defined on the drawings and schedules, but will be
typically 25A, 2x25A, 40A, or 2x40A. The system shall be totally
enclosed. The trunking shall be suitable for use on a 400V 1, 2, 3,
4 phase (2, 3, 4 wire - PE = housing), 50/60 Hz supply and for the
installation to meet the requirements of the IEE wiring regulations
BS7671 and IEC 60439 Parts 1&2. The enclosure shall be manufactured
from zinc coated sheet steel, rectangular in section with flanges to
the manufacturer’s standard suspension and luminaire support
brackets. Phase and Neutral conductors shall be copper of equal
cross section, fully insulated and supported at both the tapping
outlet positions and at each end of the trunking. The lighting
Busbar shall be manufactured in 1.5M, 2M, or 3M lengths each
complete with a self-aligning electrical joint sleeve, interlocked
to prevent phase reversal. Tapping outlet positions shall be
provided at 0.5M, 1M, or 1.5M intervals each complete with a
removeable rubberised seal to ensure IP55 rating, and preventing
accidental contact with live conductors. All end feed units, end
caps, joint sleeves, and tap off units shall be manufactured from
non-hygroscopic, self extinguishing halogen free insulating material
and designed such that IP55 degree of protection is maintained.
Tap-off Units Tap off
units shall be rated at 10A, 16A, 3 pole or 5 pole as defined on the
drawings and schedules. They shall be plug-in and colour coded to
allow for phase selection. Fused or unfused tap off units shall be
provided as required. The lighting Busbar trunking shall be Siemens
CD-L brand or equal and approved. BD01 Busbar
Trunking
The following is intended as a guide to
specifying BD01 busbar trunking: All busbar
trunking shall be of approved manufacturing and comply with degree
of protection IP54 as defined in BSEN 60439 when edgewise (tap-off
points at the side and bottom) and IP50 when flat (tap-off points on
the top). The current rating shall be defined on the drawings and
schedules but will be typically 40A to 160A. The busbar shall be
designed and manufactured to comply with BSEN 60439 parts 1 and 2.
For use on a 400V, 3 phase 4 wire (PE = Housing), 50/60Hz supply,
and capable of withstanding prospective fault levels as detailed on
the drawing schedules. The busbar trunking shall
be manufactured in 2 or 3 metre lengths. The enclosure shall be
manufactured from pale grey (RAL 7035) painted galvanised sheet
steel and is the protective earth conductor. The busbar trunking
shall have solid conductors with silver-plated aluminium and copper
connection points at all tap-off outlets and joint positions.
Tap-off outlets shall be spaced at 0.5 and 1 metre distance and
shall have automatic opening and closing shutters. They will also
ensure correct polarity is maintained. The joint section shall
provide electrical and mechanical connection by four screws. The
joint section shall absorb any differential expansion between the
trunking and the conductors. When a change in direction, rating or
termination occurs in a busbar run, manufacturer’s purpose made
fittings such as junction units, feeder units, end flanges and
centre feeds shall be used. Where detailed on the drawings and
schedules interlocking coding sets shall be installed into the
tap-off outlets and tap-off units to provide non-interchange ability
of tap-off units to non-designated tap-off outlets.
Tap-off Units Tap-off units shall be
plug-in type suitable to accept HRC fuses, MCBs, DIN rail mounted
devices and socket outlets as detailed on the drawings and
schedules. The enclosure shall be constructed from anodised
aluminium and/or insulation material, complying to the degree of
protection IP54, as defined in BSEN 60439. The earth connection of
the tap-off unit shall provide the opening of the automatic shutter
and make before and break after the live connections are made. Where
required tap-off units shall be extendible to allow additional
components to be installed onto the internal DIN rail. The busbar
trunking system shall be Siemens BD01, Barduct brand or equal and
approved. BD2 Busbar Trunking
The following is intended as a guide to
specifying BD02 busbar trunking: All busbar
trunking shall be of approved manufacture and the current ratings
detailed on the drawings and schedules – typically from 160A to
1250A, and complying to degree of ingress protection IP52 defined in
BSEN 60439 and IP54 with accessories. The busbar shall be designed
and manufactured to comply with BSEN 60439 parts 1 and 2. For use on
a 690v, 3 phase 5 wire (3L, N of half N, PE or half PE), 50/60Hz
supply, and capable of withstanding prospective fault levels as
detailed on the drawing schedules. The busbar trunking shall be
manufactured in 1.25, 2.25 & 3.25 metre lengths or optional lengths
from 0.5 up to 3.24 metres. The enclosure shall be manufactured from
pale grey (RAL 7035) painted galvanised sheet steel. The busbar
trunking shall have solid conductors with nickel-plated and tinned
aluminium or copper, with insulated tap-off outlets and busbar
supports. Tap-off outlets shall be spaced at 0.5 and 1 metre
distance and shall have automatic opening and closing shutters. They
will also ensure correct polarity is maintained. The joint section
shall provide electrical and mechanical connection by four screws.
The joint section shall absorb any differential expansion between
the trunking and the conductors. When a change in direction, rating
or termination occurs in a busbar run, manufacturer’s purpose-made
fittings such as L junction units, feeder units, end flanges and
centre feeds shall be used. When supplied as Rising Main busbar
suitable fire barriers must be fitted which meet the requirements of
BSEN 60439 part 2 and of fire resistance Class S120.
Tap-off Units Tap-off units shall be
plug-in type suitable to accept HRC and BS fuses, MCBs, MCCBs,
Switch Disconnectors, DIN rail mounted devices and socket outlets as
detailed on the drawings and schedules. The enclosure shall be
constructed from painted steel and/or insulation material, complying
to the degree of protection IP54, as defined in BSEN 60439. The
earth connection of the tap-off unit shall provide the opening of
the automatic shutter and make before and break after the live
connections are made. Where required, tap-off units shall be
extendible to allow additional components to be installed onto the
internal DIN rail. The busbar trunking system shall be Siemens BD2,
Barduct brand or equal and approved. LX Busbar
Trunking
The following is intended as a guide to
specifying LX busbar trunking:
All busbar trunking shall be of approved
manufacture and the current ratings detailed on the drawings and
schedules – typically from 800A to 6300A, and complying with degree
of ingress protection IP54 defined in BSEN 60439. The system shall
be totally enclosed and low impedance sandwich construction. The
trunking shall be suitable for use on 690V 50Hz supply and available
in various configurations including 3 phase and neutral, double
neutral, earth and/or clean earth (with a maximum of six
conductors). It shall meet the requirements of the IEE Wiring
Regulations BS 7671 and BSEN 560439 parts 1 & 2. The enclosure shall
be manufactured from aluminium finished in pale grey RAL 7035,
prepared to accept manufacture’s standard suspension hangers and
support brackets. Phase and neutral conductors shall be nickel and
tin plated aluminium, or copper, of equal cross-section fully
insulated. The busbar trunking current rating must be equal in all
installation positions (flat, edge or vertical). A derating in any
position is not acceptable. The busbar trunking shall be
manufactured in different lengths up to 3 metres either as feeder or
distribution busbar. Each plug in joint located at the end of each
busbar length will be equipped with a self-torquing sheer head
single torque bolt joint block. Manufacturers standard junction
units shall be supplied as standard, including elbows, knees,
T-sections, offsets, expansion fittings, and end caps. Further
standard components must be available such as cable feeder boxes,
transformer connections and panel flange connections. For
distribution busbar, tapping outlet positions shall be manufactured
from non-hygroscopic self-extinguishing halogen-free insulating
material and designed such that the IP54 degree of protection is
maintained. When supplied as Rising Main busbar the construction
should be suitable to provide fire barrier protection to meet the
requirements of BSEN 60439 past 2 and of fire resistance Class S120.
Tap-off Units When supplied as Rising Main
busbar suitable fire barriers must be fitted which meet the
requirements of BSEN 60439 part 2 and of fire resistance Class S120.
Tap-off units shall be plug-in type up to 630amps and fix mounted
from 800A to 1250A. Incorrect mounting shall be prevented by an
interlocking mechanism. The tap-off units shall be equipped with
either fused switch or MCCB. The short circuit rating shall be up to
100kA at 415V 50Hz. The enclosure shall be constructed from painted
steel and/or insulation material, complying to the degree of
protection IP54, as defined in BSEN 60439. The earth connection of
the tap-off unit shall provide the opening of the automatic shutter,
and make before and break after the live connections are made. The
busbar trunking system shall be Siemens LX, Barduct brand or equal
and approved. LR Cast Resin Busbar Trunking
The following is intended as a guide to
specifying LR Cast Resin busbar trunking: All busbar systems shall
be of approved manufacture and comply with degree of protection
IP68, as defined in IEC60529. The current ratings shall be as
defined on technical data sheets, drawings and schedules. The
trunking shall be suitable for use up to 1000V 50Hz supply, and
available in 4 and 5 bar versions, and meet the requirements of the
IEE wiring regulations (BS7671) and IEC60439-1 and IEC60439-2. The
enclosure shall be manufactures from an agglomerate of quartz and
epoxy. Phase and Neutral conductors (as well as the internal PE
conductor where required) shall be HDHC copper, of equal cross
section. The busbar must maintain its rated current when mounted in
any installation position (flat, edge or vertical). The single body
system shall cover up to 3150A in a single-conductor single-body
construction, and up top 6300A in a double-conductor single-body
construction. Various junction units shall be supplied as standard,
including elbows, knees, tees and flanged switchboard connections.
The Cast Resin Busbar trunking shall be Siemens LRC range or equal
and approved.
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Busbar Systems / Typical Specification Clauses |
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Siemens A & D Busbar Sales
Sir William Siemens House
Princess Road
Manchester
M20 2UR
Tel : +44 (0) 161 446 6400
Fax : +44 (0) 161 446 5403
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