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Siemens LMV - Typical Specification Clauses

CD-K Lighting Trunking - Busbar - Specification

CD-K Lighting Trunking

All lighting busbar trunking shall be approved manufacture and comply with degree of protection IP54 (IP55 available with accessories) as defined in BSEN 60439. The current rating shall be defined on the drawings and schedules but will be typically 25A, 32A & 40A, 4pole or 8pole.

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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Trunking

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Walkmill Lane
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Cannock
Staffordshire
WS11 0XE

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