TeSys Deca LADN02A auxiliary contact block from Schneider Electric. With snap-in connection technology. Instant-response auxiliary contact block for LC1D contactors and CAD control relays. Contact block with 2 normally closed contacts (2 NC) with a rated voltage of up to 10 A, 690 V AC, connection via snap-in terminal. Easy front mounting for high reliability and durability. Fast, secure and maintenance-free electrical connection with snap-in terminal. Suitable for safety applications thanks to mechanically linked contacts and mirror contacts.