Siemens 3TY7443-0AK6 U Time Relay Control Module

Siemens 3TY7443-0AK6 U is a SIRIUS coil accessory designed to energize Siemens 3TF World Series contactors, such as the 3TF44 and 3TF45 families. The coil is rated for 120 V AC (110/120 V AC) at 50/60 Hz, making it compatible with common 120 V control circuits in industrial panels. As a plug-in replacement coil for the World Series contactors, the 3TY7443-0AK6 enables straightforward field replacement without rewiring, and it is documented by Siemens and distributor listings as a 120 V AC coil in the 3TY7443-0AK6 variant. It is part of the Siemens SIRIUS World Series coil lineup used to energize the magnet and close the contactor contacts in motor-control applications.