Raising mains(Busduct)
1 Applicable standards: 8623 – Part – II – 1993
2 Supply System: 415 Volts to 11000 Volts Max
3 System earthing: Solidly earthed
4 Service: Indoor/outdoor
5 Design ambient temp. : 45 Deg C
6 Rated voltage & frequency : 415V, 50 Hz, +/-5%
7 Current rating Continuous rating at a specified ambient temp. (rated current) : up to 4000A
8 Dynamic stability current Short time short circuit current rating:: 105 kA /50 kA, 1 second
9 Busbar material: Aluminium / Copper
10 Earth bus material & cross-section : Aluminium/ copper
11 Busbar jointing Surface treatment Bolts & washers Bimetallic joints: Tinned Cadmium plated will be provided based on the requirement
12 Type of enclosure: IP 54 for indoor, IP55 with bolted canopy for outdoor
13 Max. rise of temp. under full load over specified ambient temp. Busbars Enclosure At joints: 40 Deg Cover 45Deg C
14 Type of end terminations Transformer end/ Switchgear end : : Copper flexible /Aluminium Flexible
15 Provision of space heater Rated voltage:: will be provided -230V AC with MCB control if required.
16 Wall frame assembly: Will be provided based on the requirement
17 Bus bar arrangement: As per IS 5578