This Potter & Brumfield relay looks clean, with tidy contacts and a coil that seems well sealed.
*NEW* Potter & Brumfield KUP-14A15-24 Power Relay, 24VAC Coil, 6 2/3A@250VAC
If you want a simple switch that can manage more current, you will find that this power relay works well.
A nice touch is the Potter & Brumfield brand plate, which gives the relay a classic, no-nonsense look.
This Potter & Brumfield piece shows consistent molding and a tidy coil dress that looks professional.