The 20.22.9.012.0000 is a 2-pole Modular Step Relay with DC coil, 20.22 series. Double phase switch 2NO (DPST-NO), test button with mechanical indicators. Possible to connect illuminated pushbuttons with the additional part 026.00. AgNi, cadmium-free contact. Module for illuminated pushbuttons. 35mm rail (EN 60715) mount.