Tender For supply of silicon rectifier blower with motor (mvsi). kw 2.2, hp-3.0 , voltage 290-500 v., 3 phase rpm 2950, 50 hz, insulation class h , as per clw spec. clw/es/b-14/c or latest.
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.
Tender For supply of resistance wire wound non-inductive 50 k-ohm. 50 watts with mounting clamps as per elw drg. no. elw/bsl/4/f.93.016 for silicon rectifier
Tender For supply of relay high voltage overload with locking +relay no voltage (q30) du type conformim + relay earth fault to power circuit + over load for silicon rectifier+ relay field excitation over load + relay over load for brake resistance.
Tender For supply of compact silicon rectifier block for conventional locos as per rdso's specn. no. elrs/spec/rsi/0030 rev'0' dec 2003, with amendment 1,2 & 3. [ warranty period: 30 months after the date of delivery ]