EM21 CH772(obsolete, replace by 3 possible:RE21 NS 25 CH 16 ?/RE21 PC 25 CH 20 ?/RE21 PF 25 CH 20 R); DPP03-020-H2 ORCE oem RS400P-1-1-6BP3016R DPP02J DP501 1 24H16RBS RS400NP4-4-8B 30 L=16R RE21NS25CH20R RE45B D2R5 RE45B D2O5 RE45B D2D5 RE45T2 with 25 PPR NSV102A, type HC115;Handy controller NSV66A, type HM;Manual Pulse Generator XP3-1000, type HS;Manual Pulse Generator 9858U HC111