Bevel-helical speed reducer B3 erance mm Flender GmbH Flender MD Helical B3SH-21-C

Flender/Flender Gear Units/Bevel-helical speed reducer B3

od earth continuity. - Earth bus to run in all cable alley of the panel . 1.0 Shippin length To be limited to 2.4 . 1.0 Limiting dimensions Widt of MLDB Vertical :- 8 mm (min) Width of Module :- 5 mm (min) Width of Cable alley :- 3 mm (min) Depth of MLDB :- 6 mm Height of MLDB :- 2 mm (max) Width of Bus alley :- 3 mm (min) Height of module :- 3 mm (min) . Busbars () Main horizontal & vertical busbars 1.0 Arrangement Three phase & neutral. Bus Bar chamber on the top. 2.0 Material High conductiv ity electrolytic alumini um alloy confirmin to grade E9E as per IS-5 1. 3.0 Phase Busbar Rating - Minimum rating shall be same as incomer MCCB rating - Shall be able to carry continuously the connected load (considering all derating factors) plus 2% margin . - Max. current density shall be - 0.8 /sq.mm for Aluminium - 1.2 /sq.mm for Copper . 4.0 Neutral Busbar Ratin 5 % of phase busbar ratin 1 of 1 INDRADHANUSH GAS GRID LIMITED TECHNICAL SPECIFICATION FOR NATURAL GAS COMPRESSOR STATION FOR NORTH EAST GAS GRID PIPELINE PROJECT ______________________________________________________________________________________________ TS NO.: MEC//2UU/0/2/0 Electrical system Chapter-0.0 2, MECON Limited, All Right Reserved Pag 1 of 2 5.0 Short circuit ratin 5 KA for 1 sec. 6.0 Busbar configuration Red-yellow-blue from front to back or top to bottom or left to ri ght as viewed from front. 7.0 Busbar insulation Heat shrinkable PVC - ,, coloured sleeves for phases - Black for neutral. 8.0 Busbar supporting insulators - Non-hygroscopic - Flame retarded - Track resistant - High strength - Sheetmoulded compound or equivalent pol ysterfibre glass moulded ype . 9.0 Max. temp. rise of bus Not to exceed 3 deg. . above ambient of 5 de .. 1.0 Air clearance for bare busba