supply of relay, non ac immune, plug in type, style qnn1relay, non ac immune, plug in type, style qnn1,relay, non ac immune, plug in type, style qnn1. twin dc neutral line, 24v, 4f/4b, conta cts each for lh and rh , front and back contacts metal to carbon, complete with plug board, retaining c lip and connectors conforming to brs: 960, irs: s 34 & irs: s 23 (as applicable). the interlocking code for this unit shall be acehj. [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ] divisional gsd adra, ser west bengal 519.00 numbers , relay, non-ac immune, plug in type style qnn1 plug in type, style qnn1. twin dc neutr al line, 24v, 6f/2b contacts each for lh and rh , front and back contacts metal to carbon, complete wit h plug board, retaining clip and connectors conforming to brs: 960, irs: s 34 & irs: s 23 (as applicable ). the interlocking code for this unit shall be acdek [ warranty period: 30 months after the date of d elivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ] divisional gsd adra, ser west bengal 483.00 numbers