A key point about the FTR-F3 model is the clear housing that lets you see coil movement.
Siemens 6ED1 055-1HB00-0BA0 I/O Extension Module 24/240V AC/DC 5A
What stands out about this relay is the QUALITY brand, and it helps you compare options without guesswork.
What stands out about this relay is the Honeywell brand, a nice touch for anyone doing repairs.