LIST OF SWITCHGEAR IN BOF SHOP

Switchgear manufactured by L&T and used in LCSS, MCC and PDB of BOF shop is listed below.

Item Designation Description Material Code Reference Drawing Number

Installed Quantity

Required Quantity

Air Circuit Breakers (Draw Out Type)4000Amps CN-CS 4000H0 4000A, 3Pole, 50KA, EDO ACB with Microprocessor

release-SR71+COM. PORT (O/C,S/C,E/F & U/V, O/V Protection, With Power Metering, LCD Display & 24V, DC Power Supply), Closing Coil

352062201000 21 3

1250Amps CN-CS 1250C ACB 1250A 3Pole 50KA MDO with Microprocessor release (O/C,S/C,E/F) +24V, DC Power Supply, Shunt release 240V AC, 6NO+6NC Auxiliary Contact, Independent Manual closing

352062202000 16 2

1000Amps CN-CS 1000C ACB 1000A 3Pole 50KA MDO with Microprocessor release (O/C,S/C,E/F), + 24V, DC Power Supply Shunt release 240V AC, 6NO+6NC Auxiliary Contact, Independent Manual closing

352062203000 12 2

800Amps CN-CS 800C ACB 800A 3Pole 50KA MDO with Microprocessor release(O/C,S/C,E/F),+24v, DC Power Supply Shunt release240V AC, 6NO+6NC Auxiliary Contact, Independent Manual closing mechanism

352062204000 10 2

630Amps CN-CS 630S1 ACB 630A 3Pole 50KA MDO with Microprocessor release(O/C,S/C,E/F), +24V, DC Power SupplyShunt release240V AC, 6NO+6NC Auxiliary Contact, Independent Manual closing mechanism

352062205000 40 4

MCCB and MPCB1A (DM16) 352062332000 20 42.5A (DM16) 352062333000 20 44A (DM16) 352062341000 20 45A (DM16) 352062344000 20 412A (DM16) 352062330000 20 4

Page | 1

LIST OF SWITCHGEAR IN BOF SHOP

25A (DM16) 352062335000 20 430A (DM100) 352062337000 20 435A (DM100) 352062340000 20 440A (DN2-250N) 352062343000 20 450A (DM100) 352062343000 20 4160A (DN2-250N) 352062331000 20 4200A (DN2-250N) 352062334000 20 4250A (DN2-250N) 352062336000 20 4275A (DN2-250N) 352062339000 20 4400A (DN2-250N) 352062342000 20 4500A (DN2-250N) 20 4ContactorsMNX-25 20 4MNX-32 352060232000 20 4MNX-80 352060228000 20 4MNX-110 352060235000 20 4MNX-185 352060229000 20 4MNX-265 352060231000 20 4MNX-400 352060233000 20 4MNX-650 352060234000 10 2MNX-S1 352060236000 10 2MNX-S3 352060238000 10 2MNX-S4 352060240000 10 2MNX-S6 352060241000 10 2MX0 352060242000 10 2

Page | 2