bids are invited for providing and fixing of new vfd and replace faulty variable frequency drive with necessary and all allied accessories at pump house-1,vitthalapur industrial estate. shall be suitable for following range. variant: standard version, mounting mode: cabinet mount, emc filter: integrated conforming to en/iec 61800-3 category c3 with 50 m, ip degree of protection: ip 20, type of cooling: forced convection, supply frequency: 50 hz +/-5 %, 3 phases, voltage range: 380...415 v - 15...10 %, motor power kw: 37/50 kw/hp, line current : 76.6 a at 380 v (normal duty)-72.9 a at 415 v (normal duty), prospective line isc: 22 ka, apparent power: 52.4 kva at 415 v (normal duty), continuous output current 74.5 a at 4 khz for normal duty, maximum transient current 82 a during 60 s (normal duty), asynchronous motor control profile constant torque standard optimized torque mode-variable torque standard, output frequency 0.0001…0.5 khz, nominal switching frequency 4 khz, switching frequency 2...12 khz adjustable, number of preset speeds 16 preset speeds, communication port protocol modbus serial, option card slot a: communication card, profibus dp v1,slot a: digital or analog i/o extension card, slot a: relay output card, noise level 75 db conforming to 86/188/eec, vibration resistance 1.5 mm peak to peak (f= 2…13 hz) conforming to iec 60068-2-6, 1 gn (f= 13…200 hz) conforming to iec 60068 2-6, relative humidity 5…95 % without condensation conforming to iec 60068-2-3, ambient air temperature for operation -15…45 °c (without derating)- 45…60 °c (with derating factor), ambient air temperature for storage -40…70 °c, marking ce, 32 kg, relay output type configurable relay logic r1: fault relay no/nc electrical durability 100000 cycles, configurable relay logic r2: sequence relay no electrical durability 100000 cycles, configurable relay logic r3: sequence relay no electrical durability 100000 cycles.qty-1nos. carryout special repairing, maintenance, servicing and testing of submerged centrifugal pump including cleaning of mechanism, rewinding auxiliary malefemale contacts, leg repairing, wiring contacts, lowering, lifting, transport, loading and unloading etc at pump house-1, vitthalapur industrial estate. qty1nos