supply of guard rotary switch with operatingguard rotary switch with operating,guard rotary switch with operating key for bg ac emu as per southern railway e drg. no.m/trs/ bg/emu/400 similar to kaycee make rp157p58/lm, 16 amp, 250 v ac/dc. makes/brands: salzer/switchon /l&t/kaycee note: 1) the firm should submit an authorized dealership certificate or proof of purchase from oe m or dealer and necessary test certificates while participating in the tender and also along with materials for ac ceptance. 2) the firm should mention the make/model number while participating in the tender. [ warranty perio d: 30 months after the date of delivery ]