LADN04 is a Schneider Electric add-on auxiliary contact block for TeSys D and TeSys F contactors. Front mounting block, it provides 4NC instantaneous contacts rated up to 10A 690V AC. It can be used in safety applications. LADN04 is a Schneider Electric add-on auxiliary contact block for TeSys D and TeSys F contactors. It provides 4NC instantaneous contacts rated up to 10A 690V AC. It can be used in safety applications thanks to its NC certified mirror contacts. Easy to mount on front by clip-on, it procures high reliability and durability. Available worldwide, it is multi-standards certified (IEC, UL, CSA, CCC, EAC, Marine) and Green Premium compliant (RoHs/Reach). Add-on block with 4NC mechanically linked auxiliary contacts, with instantaneous operation. Suitable to be included in the control of safety systems thanks to its NC certified mirror contacts. High electrical durability , several millions of operating cycles in AC-14/AC-15/DC-13 according conditions. Mounting by clip-on on front of all TeSys D and TeSys F contactors.