Vacum Circuit Breakers (VCB)
Autopuffer breaking technique electric arc extinction without chopped current no restriking after breaking rapid recovery of the dielectric properties of the means of extinction Withstand insulation voltage even at zero relative pressure (*) breaking up to 30% of the rated breaking capacity even at zero relative pressure (*) sealed-for-life poles test for checking gas tightness carried out three times on each piece of apparatus compact dimensions fixed and withdrawable version stored energy operating mechanism with anti-pumping device as standard common to the whole circuit-breaker series mechanical safety locks against incorrect operations simple personalisation thanks to a complete range of accessories maintenance-free
TECHNICAL SPECIFICATIONS FOR 12KV NON EXTENSIBLE SWITCH FUSE UNIT
C.G. Lucy make fully non extensible , totally enclosed, metal clad, floor mounting, fully outdoor switch fuse unit ( Type : EFS)suitable for installation in 12 kV, 350MVA, 3 phase, 3wire,50 cycle effectively earthed neutral system.
Switch Fuse Unit:
1- Triple pol;e , 400A, double break oil immersed switch with three distinct positions for ON , OFF and EARTH.
1- Independent manual spring closing / opening mechanism ON, OFF and EARTH indicator.
1- Draw out type fuse carrier immersed in oil for 3 Nos. HT fuses (1- Trip device initiated by striker pin of HRC fuse to ensure tripping of switch in the event of any one fuse blowing.
1- Operating handle for ON, OFF, & EARTH suitably interlocked to provide minimum three seconds delay between any two operations
1- Manual trip lever.
1- Oil level indicator.
1- Drain plug for draining oil.
1- Side cable box suitable for 1x 3C x 300 sq.mm XLPE cable with heat shrinkable / push on / M-seal type termination.
1- Rear Cable box on fuse switch suitable for 1x 3C x 185 sq.mm XLPE cable with heat shrinkable / push on / M-seal type termination.
1- 1 set of busbar bushing on opposite side of cable box covered with metallic cover for future extension.
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Sales Office: Plot No-56, Street No.11, Pratap Nagar, Mayur Vihar Phase-1, Delhi - 91
Mobile No :09811090431,07838137148,09136103204
T.Fax :011- 23212535
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