A nice touch is the crisp SEL logo, a detail that helps when you are sorting through different relays.
Sel 0749M01A502X1A10 Sel-749m Motor Control Relay 110/240v-ac 110/250v-dc
The 40ISR model has a clean profile that helps you keep spacing consistent across the board.
What stands out about the SEL brand is how quietly it signals that this part is from a known source.