Siemens 3RT1944-5AP61 is a replacement magnetic coil for Sirius size S3 contactors, designed to energize the coil of the 3RT-series contactor to switch heavy electrical loads. This AC-operated coil is compatible with Siemens Sirius size S3 contactors and features screw-terminal connections for straightforward wiring. It is rated for 220 V AC at 50 Hz or 240 V AC at 60 Hz, ensuring operation across regions with different power standards. The coil is intended to restore functionality when the original coil fails, enabling continued use of compatible Siemens Sirius 3RT contactors in industrial control applications.
