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Supply of supply,installation and commissioning of switch board cabinet for lhb eog lraac coaches
supply of description supply,installation and commissioning of switch board cabinet for lhb eog lraac coaches tordso specn. no.rdso/pe/spec/ac/0184-2015 (rev-0) with the following modification. contactors (s1kn1 &s1kn2), rotary switch (s1sn1), mcbs, fuses, ammeters, shunts shall be installed and necessary wiringmodification as per drawing no lraac-7-0-002 alt c or latest shall be done by the supplier in the switch boardcabinet for incorporating 25kva inverter supply in to the switch board cabinet of lraac coaches. additionalmaterials required for incorporating 25kva inverter supply 1. contactor 4 pole, voltage-415v ac, current rating-110 amps, control voltage 380-415 v ac with surge suppressor, auxiliary 2nc+2no to cat no.lc1d80004n5 ofschneider or af80-40-00-14 of abb or 3rt1344-1av00 of siemens make for contactors s1kn1 & s1kn2.
2nos. 2. rotary switch 10a, 440 v ac, 4 position, 2 pole, 2 way without off to cat.no- 61038 s b b03 td yr ofsalzer make with name plate
1no 3. mcb 10ka, c curve,415v ac, 40amps, 4 pole 1 no mcb 10ka, ccurve,415v ac, 63amps, 3 pole 2 nos to is/iec60898-1 for 25kva transformer & amalgamated transformerrectifier unit. 4. lv hrc fuse base & fuse link 250a
with ip -20 protection kit for terminal shrouds andphase barriers - 2 nos to is13703-2 for 25kva inverter. 5. ammeter 300-0-300a dc with shunt 300a, 75mv
1no. 6. shunt 50a, 60mv
1no for measuring load current. 7. copper link (5mm thick) bus bar arrangementwith insulators for mounting shunt & connecting cables from battery, inverter, transformer rectifier unit shall be
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supply,installation and commissioning of switch board cabinet for lhb eog lraac coaches |