supply of control auxiliary contactor, coil voltage 24v dc with 02 no and 02 nc similar to siemens make 3rh21221 bb40, schneider make ca3kn22bd and abb make tkc6-22z. brands: siemens, schneider, abb note:1) the firm should submit authorized dealership certificate or proof of purchase from oem or dealer 2) firm should mention make and model no. while participating in the tender.control auxiliary contactor, coil voltage 24v dc with 02 no and 02 nc similar to siemens make 3rh21221 bb40, schneider make ca3kn22bd and abb make tkc6-22z. brands: siemens, schneider, abb note:1) the firm should submit authorized dealership certificate or proof of purchase from oem or dealer 2) firm should mention make and model no. while participating in the tender.,control auxiliary contactor, coil voltage 24v dc with 02 no and 02 nc similar to siemens m ake 3rh21221 bb40, schneider make ca3kn22bd and abb make tkc6-22z. brands: siemens, schneider, abb note:1) the firm should submit authorized dealership certificate or proof of purchase from oem or de aler 2) firm should mention make and model no. while participating in the tender. [ warranty period: 30 months after the date of delivery ] ]