bids are invited for welding receptacle,sw+skt+plg,20a,230vac electrical,accessories item name : welding receptacle type : switch+socket+plug rating : 20a,230vac industrial receptacles box with 2p rcbo and plug and socket suitable for 230vac, 1phase+n+e with the following specification1. receptacles boxes shall be fabricated out of 2mm thick ms sheet hot dip gavanised or of not less than 2.5 mm thick diecast aluminum alloy or fabricated out of 2mm thick crca sheet with electro static powder coating. 2. plug and socket shall be shrouded die-cast aluminum. socket shall be provided with lid safety cover, by a spring loaded latch. to insert the plug latch has to be pressed to open the lid. robust mechanical interlock shall be provided such that the switch can be put on only when the plug is fully engaged and plug can be withdrawn only when the switch is in off position. also cover can be opened only when the switch is in off position, the terminal blocks shall be of 1100 v grade made up of unbreakable polyimide 6.6 grade. 3. supply isolation with heavy duty double break rotary switch rated for 230vac 20amps ac23 category mounted on front door cover of the enclosure. 4. electrical protection: two pole rcbo rating 20a,30 ma sensitivity incorporated in the circuit. the rcbo shall be placed inside the main cover and shall not be accessible from outside. 20a, 2 pole rcbo specifications: a) conforms to is 12640-2/iec 61009-1 latest (isi marked with valid cml) b) type & rated current – ac type & 20a total quantity : 1000