1)good quality and best price 2)NSQ current transformers 50hz 0.66kv 2.5va 15va 3)NSQ-30 NSQ-35 NSQ-40 NSQ-60 NSQ-100 )Rated voltage:below 0.66KV b)Frequency: 50Hz/60Hz c)OEM allowed d)Different types is available Best price and good servicThe current transformer is applied to test, control, display and record the running of the electrical equipment and to protect the equipment against the damage ...