L NO Contact NC Contact YA Main contact of applicable blade ( DS or ES) NC =0 & NO=1 : DS/ES Close; NC =0 & NO=0 : DS/ES in transit; NC =1 & NO=0 : DS/ES Open N A + - 175±5º ON 190º 15±5º OFF Contacts shown open Contacts shown cloesd 0º Contact travel diagram 10 20 21 22 23 24 33 34 35 36 } } (22) (21) (18) (17) (14) (13) (10) (9) (6) (5) (2) (1) (24) (23) (20) (19) (16) (15) (12) (11) (8) (7) (4) (3)