supply of air ckt breaker panel , air circuit breaker panel 1. one panel 1 breakers with following rating: rating voltage-415 v. 4 pole making capacity: 105ka peak, shunting trip coil-110 vdc, thermal current-1000 amp. short time-50ka, closing coil-110vdc, breaking capacity-50ka rms, control coil voltage-110 vdc, confirms to iec 60947-2, rated temp. 55 deg. c accessories to be supplied: a) digital metering-aca and acv with selector switch b) indication lamp-1set,c) ct and pt no. 3 each, d) push button-1 set e) interlocking mechanism for protection f) energy meter (class 0.2), g) foundation bolt, h) ground fault protection 11) overload protection, j) delayed short circuit protection k) short circuit protection, 1) motorized mechanism with universal 220v motor m) spring charge signal switch, n) single phase preventor o) mechanical contact erosion indicator, erection, testing and commissioning shall be in the scope of firm. any consumable, spares/material and t&p required to complete the commissioning work shall be in the scope of firm. any consumable old breaker shifted to hydel store shall be in the scope of firm. breaker design should in corporate the present cabling position cabling position should not change during installation of new breaker. representative of the firm may please visit the site to check the dimension of breaker and feasibility for installation before filling the tender.