3RH1921-1FA22
Auxiliary contacts; Series:3RH10,3RT10; Leads: screw terminals
Auxiliary switch block for snapping onto the front. 4-Pole auxiliary switch blocks. EN 50 005
Allied Electronics:
AUXILIARY FRONT, S0-S12, 2NO&2NC
TME:
Auxiliary contacts; Series:3RH10,3RT10; Leads: screw terminals