Separate units: Blocks sub-assemblies IP 20 Clip and electrical blocks assembled To be combined with a head (p. 23) Mounting (p. 96) Conform to IEC 60947-5-1 Characteristics (p. 98) > CONTACT BLOCKS - FOR NON ILLUMINATED HEADS (continued) PLUG-IN TERMINALS Cat. No. 1 position clip 43 NO NC 21 21 13 14 21 22 13 14 331ER10 331ER01 29 331ER01 PLUG-IN TERMINALS 3 position clip 26 NO 43 NC 21 333ER11 333ER10 21 21 22 333ER01 30 2 NO 2 NC NO+NC 3 NO 3 NC 14 23 24 11 12 21 22 333ER02 13 14 21 22 333ER11 13 14 33 34 23 24 11 12 31 32 21 22 Catalogue No. in bold: normally in stock at distribution outlets 53 333ER20 13 333ER30 333ER03