Tender For supply of silicon diode for the wag-7 type locomotive, hirect make high-capacity rectifier type s-43 ar-510 or ruttonsha make diode type osd 550 n 43 sq for rsi block 56 diodes. make/brand: hirect/ ruttons ha make only.
Tender For supply of portable single operated rectifier type conventional dc annual rate contract welding set-600 ampere capacity suitable for manual annual rate contract welding process with warranty/guarantee and test certificate. technical specification as given below: 1. maximum hand welding current @ 60% duty cycle ; 600a and minimum hand welding current @60% duty cycle: 120 a 2. open circuit voltage : 70v (max) and operating annual rate contract voltage: 25-44 volt. 3. 3-phase 50 hz, rated input voltage: 3 tapings- 380/415/440 volts. 4. type of cooling : forced air cooled -heavy duty exhaust fan with copper windings, metal body and fan blades. 5. class of insulation and winding materials : class h insulation with both primary and secondary copper windings. 6. specification to which it conform : is 4559- latest version. 7. type of rectifier- silicon diode. full wave 3-phase bridge rectifier: type with current regulator, safety norms: earth fault facility & vrd facility.