supply of supply of high availability single section digital axle counter (hassdac) system complete as per rdso specification rdso/spn/ 177/2012 ver. 3.0 or latest. the system shall consist of the following: a)track side high availability digital axle counter unit - 2 nos. b) axle detectors (each set consists of web mounting type 2 nos tx coils and 2 numbers rx coils) - 2 sets c) vital relay box - 2 numbers. each box shall be wired with following relays. d) vital relay qna1k, 24v, 6f/6b - 2 nos. e) reset relay qna1k, 24v, 6f/6b - 1 no. f) preparatory pr relay qnn1, 24v, 6f/2b (dual) - 1 no. g) clamp with deflector plates and hardware - 4 nos. h) reset box model no.259a - 2 nos i) surge voltage protection device mounted on din 35 rail - 2 nos.supply of high availability single section digital axle counter (hassdac) system complete as per rdso specification rdso/spn/ 177/2012 ver. 3.0 or latest. the system shall consist of the following: a)track side high availability digital axle counter unit - 2 nos. b) axle detectors (each set consists of web mounting type 2 nos tx coils and 2 numbers rx coils) - 2 sets c) vital relay box - 2 numbers. each box shall be wired with following relays. d) vital relay qna1k, 24v, 6f/6b - 2 nos. e) reset relay qna1k, 24v, 6f/6b - 1 no. f) preparatory pr relay qnn1, 24v, 6f/2b (dual) - 1 no. g) clamp with deflector plates and hardware - 4 nos. h) reset box model no.259a - 2 nos i) surge voltage protection device mounted on din 35 rail - 2 nos.,high availability single section digital axle counter (hassdac) system complete as per rds o specification rdso/spn/ 177/2012 ver. 3.0 or latest. the system shall consist of the following: a)track si de high availability digital axle counter unit - 2 nos. b) axle detectors (each set consists of web mounting ty pe 2 nos tx coils and 2 numbers rx coils) - 2 sets c) vital relay box - 2 numbers. each box shall be wired wi th following relays. d) vital relay qna1k, 24v, 6f/6b - 2 nos. e) reset relay qna1k, 24v, 6f/6b - 1 no. f) pr eparatory pr relay qnn1, 24v, 6f/2b (dual) - 1 no. g) clamp with deflector plates and hardware - 4 nos. h ) reset box model no.259a - 2 nos. i) surge voltage protection device mounted on din 35 rail - 2 nos. [ w arranty period: 30 months after the date of delivery ] ]