Phoenix Contact - 3031429 / STTB 4 referenced product produced by high technology. 3031429 / STTB 4 became irreplaceable of foundations. 3031429 / STTB 4 referenced product which is satisfy the customer's needs, offers advantages of quality and cost. It produced result of tests of laborotory for years. 3031429 / STTB 4 referenced product is an original piece of your foundation or machine, original parts makes your machine live longer.
