BASIC NAME CONTACTOR NAME MODIFIER POWER NUMBER OF POLES TRI-POLE CATEGORY AC-3 NOMINAL CURRENT 10 A AUXILIARY CONTACTS 4NO+4NC VOLTAGE ON COIL 220 VAC FREQUENCY 50/60 HZ COMMERCIAL REFERENCE SIEMENS-3TH42440AF0

The impact of the 4D printer on the international market
The most obvious advantage of 4D printing is that objects larger than printers can be printed as just one part. Because they can shrink and unfold, items that are too large to fit in a printer can be compressed and then become full size.