Chint - NA1 - 2000 - 1600 M / 3 M F H AC220 referenced product produced by high technology. NA1 - 2000 - 1600 M / 3 M F H AC220 became irreplaceable of foundations. NA1 - 2000 - 1600 M / 3 M F H AC220 referenced product which is satisfy the customer's needs, offers advantages of quality and cost. It produced result of tests of laborotory for years. NA1 - 2000 - 1600 M / 3 M F H AC220 referenced product is an original piece of your foundation or machine, original parts makes your machine live longer.