When I unboxed it, I saw the model A110-1-84 and knew I had the right part.
Gator Gate Space Age Multi-Voltage Control Relay Plastic Track SSU-MR-201/C/R
The 40ISR model has a clean profile that helps you keep spacing consistent across the board.
A nice touch is the heavy duty casing, which lines up with the switch control and makes daily adjustments feel easy.
A nice touch is the NULL type entry, which keeps things straightforward and uncluttered.
When you look closely, you will find that the MAS brand is stamped on this relay for easy identification.
I trust the heavy duty switch relay in rough settings because the casing feels solid and thick.
A nice touch is the Switch Harness Set, and it feels sturdy enough for repeated use.