bids are invited for snubber circuit esp#1,3,4 thyristor capsule protecting snubber circuit including the resistance r1(a+b) and capacitor c1(a+b) elements. r1 should be w.w. resistor 100-ohm 15 w ceramic encased with 4 no.s with terminals integrated on the board. c1a should be paper condensor 0.22 mfd, 2000 v dc, pcb as per hr-208. , over voltage protector esp#1,3,4 overvoltage protection for 415v ac including the resistance r2 and capacitor c2 elements. resistance r2 should be w.w. resistor 100-ohm 75 w ceramic encased. capacitor c2 should be metalized polypropylene condenser 5 mfd +/- 10%, 800 v ac with bottom stud for mounting. , milliampere potential divider. esp#1,3,4 ma meter potential divider with variable resistor and fixed resistor including r3 and rv1 elements. r3 should be carbon resistor 1 kohm, 5%, 1w. rv1 should be w w trimpot 1 k ohm, 5%, 1w mounted in pcb as per hr206. , over voltage protection. esp#1,3,4 ovp-1 for 24v system. over voltage protector as per hr-303. it should have 3 terminals as given in drawing. total quantity : 109