The LADN13 is an Auxiliary Contact Block with screw clamp terminals and 1NO + 3 NC pole contact composition. This contact block is suitable for use with the TeSys D, TeSys D control relay and TeSys F range products. This instantaneous contact block is compatible with the CR1F series products. It meets the BS 4794, EN 60947-5-1, IEC 60947-5-1, NF C 63-140 and VDE 0660 standards.