You will find that the PLC-RSC-24UC/21 behaves consistently even in panels with modest heat and vibration.
Releco Series MR-C Relay, Model: C5-A30 DX Relay . New Old Stock. No Box
You will find that the Allen-Bradley brand is on this relay, which is reassuring.
A nice touch is the matte black look, which reduces glare when you view the board from an angle.