Safety switches for hinged doors 4C Selection diagram FR FM FX FZ FK CONTACT 51518787 99 BLOCKS 1NO+1NC 1NO+1NC 1NO+1NC 2NC snap action slow action slow action slow action overlapped 2020 2121 2222 3333 3434 1NO+2NC 3NC 2NO+1NC 1NO+1NC 2NC slow action slow action slow action slow action slow action CONDUIT ENTRIES Threaded conduit entries With cable gland With M12 plastic connector With M12 metal connector (standard) assembled assembled and wired assembled and wired PRODUCT OPTION ACCESSOR ATELY Y SOLD SEPAR page 4/43 General Catalog 2009-2010Code structure Attention The feasibility of a code number does not mean the effective availability of a product. Please contact our sales of ce. 1 article options FR 1896-XGM2K70 1A Housing Preinstalled cable gland or connectors 1B FR polymer housing, one conduit entry no cable gland or connector (standard) with assembled cable gland suitable for 6 to FM metal housing, one conduit entry K21 12 mm cables range 2 FX polymer housing, two conduit entries ... ........................ FZ metal housing, two conduit entries K70 with 4 poles M12 plastic connector 2A ... ........................ Contact blocks For the complete list of all combinations, please contact our technical 18 1NO+1NC, slow action of ce. 2B 5 1NO+1NC, snap action 7 1NO+1NC, slow action overlapped Threaded conduit entry 2C 9 2NC, slow action PG 13,5 (standard) 20 1NO+2NC, slow action A PG 11 (only for FR-FX housing) 2D 21 3NC, slow action M1 M16x1,5 (only for FR-FX housing) 22 2NO+1NC, slow action M2 M20x1,5 2E 33 1NO+1NC, slow action 34 2NC, slow action 3 External metallic parts Contacts type 3A zinc-plated steel (standard) silver contacts (standard) X stainless steel G silver contacts gold plated 1 m 3B 3C 4 4A article options FK 3396-XGM1K22 4B Housing Preinstalled cable gland 4C4C FK polymer housing, one conduit entry no cable gland (standard) with assembled cable gland suitable Contact blocks K22 4D for 5 to 10 mm cables range 33 1NO+1NC, slow action with assembled cable gland suitable K26 34 2NC, slow action for 3 to 7 mm cables range 4E Threaded conduit entry External metallic parts PG 11 (standard) 4F zinc-plated steel (standard) M1 M16x1,5 X stainless steel 4G Contacts type silver contacts (standard) 4H G silver contacts gold plated 1 m 5 6 General Catalog 2009-2010 page 4/44