NIT NO. 17 ITEM NO. 23

LT Distribution panel sheet steel enclosure made out of 2mm CRCA sheet totally enclosed, powder coated free standing, floor mounted type, dust& vermin proof, outward opening, lockable doors having hidden hinges and a bolted back cover both using non-deteriorating neoprene rubber gaskets to provide IP-54 protection .The each part of the fabricated panel will be strictly subjected to seven tank treatment. The various components, assemblies and sub equipments of the panel will be as per standard given in relevant IS. The bus bar of the panel will be shaped out of high conductivity, electrolytic conductor and shall be liberal sized in aluminum. The control wiring of the panel will be done with PVC flexible copper wires of 1.5mm cross section. Each wire will be terminating with a ferule crimped to the wire, size 1600MM x1500x375mm., having the following components mentioned below from S.No.2 to 18 of the following approved makes.

MCCB 415V, Four pole 3phase High breaking capacity 50KA 50Hz,400Amp with spreader & Handle - Make L&T/siemens

MCCB 415V, TP 3phase High breaking capacity 36KA 50Hz,125Amp with spreader& Handle - Make L&T/Siemens

MCB Single pole 6Amp. Make L&T/Havells

MCB Triple pole 63Amp. Make L&T/Havells

MCB Triple pole 32Amp. Make L&T/Havells

Power capacitors 415V unit of 20Kvar Make: Epcos

Over load relay 66-110Make: L&T/siemens

Over load relay 6-10 Make: L&T/siemens

Digital Amp. Meter Make AE/L&T

Digital Volt Meter0-500V -Make AE/L&T

Motor protection Relay MPR 300 or equivalent Make: L&T/Siemens

Power contactor 220V 3phase110Amp. Make L&T/siemens

Power contactor 220V 3phase70Amp. Make L&T/siemens

Power contactor 220V 3phase18Amp. Make L&T/siemens

Star delta timer on delay make: L&T/Siemens

Indicating lights LED type RYB & On/OFF Make : L&T /Havells

Current Transformer400/5 ,100/5,30/5Make AE /Advance

PVC insulated copper flexible cable single core 35sqmm Make: Havells/DJB approved

,Dismantling of old structure of panel ,Installation ,Loading ,unloading by crane or heavy labor and cartage up to site cleaning & dressing the surface for Installation of the panel at site on base frame ,laying of cable ,termination of cable both incoming & out going side

Testing & commissioning of panel, as per required parameters with relevant IS .testing of the panel prior to switching on as follow i)Continuity and earth testing ii)Meggaring of all equipment’s for phase to phase, neutral to body, neutral to earth and phase to earth. iii)Interlocking tests. All function tests

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