procurement of spares for m / s bch electric ltd. make for switchgear / control panels for 210 mw atps mppgcl chachai , 50 a, dc mill duty contactor, double pole normally open, 2 no.+2nc, coil -220v make- bch electric limited, cat no.-d912x5022b1 , 50a, dc mill duty contactor, single pole normally open, 2no.+2nc, coil-220v make- bch electric limited, cat no.-912x5022b1 , 150a, dc mill duty contactor, double pole normally open, 2no.+2nc, coil- 110v make- bch electric limited, cat no.-d914x22a1 , 300a, dc mill duty contactor, double pole normally open, 2no+2nc, coil- 110v make- bch electric limited, cat no.-d915x22a1 , 300a, dc mill duty contactor, single pole normally open, 2no+2nc, coil- 220v make- bch electric limited, cat no.-915x22b1 , dc magnetic overload relay, range - 40 to 120amp , coil no.-179-39continuous rating – 69.0 make- bch electric limited, cat no.-b3k23 , dc magnetic overload relay, range- 70 to 190 amp, coil no. 179-38, continuous rating -109.0 make- bch electric limited, cat no.-b3l23 , dc magnetic overload relay, range – 200 to 600 amp, coil mo.-179-36, continuous rating -250.0 make- bch electric limited, cat no.-b3n23 , ibt electronic timer with fixed voltage, fixed time range, volatage-240v ac, time range-06-60sec. , make- bch electric limited, cat no.-ibt001103 , ibt electronic timer with fixed voltage, fixed time range, volatage-240v ac, time range-18-180sec., make - bch electric limited, cat no.-ibt001104 , ibt electronic timerwith universal voltage , multi time, multi nfunction timer-ibtmu , voltage-24-240v ac / dc , time range-0.1s-10hrs.with fixed voltage, fixed time range, volatage-240v ac, time range-18-180sec. make- bch electric limited, cat no.-ibt004500