supply of memu item:- d.c. rectifier 150 v / 250a for traction motor testing.memu item:- d.c. rectifier 150 v / 250a for traction motor testing.,memu item:- d.c. rectifier 150 v / 250a for traction motor testing with the following specification s :- 1. voltage range - 0 - 150v dc. 2. current range - 0 - 250amps. 3. power rating - 42 kw. 4. mains - 440 v ac, three phase, 50 hz 5.protection - mccb 100 amp each phase on input side and hrc fuse of suitable ratin g on diodes and dc output. 6. meter for input and output- 3&1/2digital meter for volt and current. 7. contactor- 10 0 amps each phase. 8. push buttons - start, stop, increase and decrease. 9. diodes- 300 amps diodes on suit able heat sink with protection rc network and hrc fuses. 10. castes to be attached to the bottom of dc rectifi er for easy movement on floor. make: he or equivalent. [ warranty period: 30 months after the date of delivery ]