Siemens 3TY7440-0A-N is a three-pole main contact kit designed for Siemens 3TF44 magnetic contactors and motor starters (3TY family). It adds a complete set of main contacts to the existing contactor assembly, expanding switching capability for industrial control circuits. This kit is rated for up to 32 A at 600 V and is compatible with NEMA size 1 configurations, making it a direct fit for 3TF44-based systems in control panels.
