What stands out about the TimeSaver brand is the smooth switching action that feels dependable during routine testing.
New SWT 1730 Electrical Interlock switch (1) SPDT 10A @ 250V X13090087477
When you unbox it, you will find that KUP-14D15-24=KU is etched on the top.
A nice touch is the heavy duty rating printed clearly, so you know it is ready for demanding circuits.
You can tell this heavy duty relay is made for tough spots, with thicker casing than many alternatives.