TeSys D, auxiliary contact block, 3 NO+1 NC, spring terminals. range of product: TeSys D, TeSys D control relay – range: TeSys – device short name: LADN – product or component type: auxiliary contact block – pole contact composition: 3 NO + 1 NC – connections – terminals: spring terminals 2 cable 2.5 mm² – cable stiffness: flexible – without cable end, spring terminals 2 cable 2.5 mm² – cable stiffness: solid – without cable end.