You will find that the DC 12V input plays nicely with common bench power supplies and wall adapters.
2Pcs DC 12V Coil 8 Pin 10A DPDT LED Indicator Electromagnetic Power Relay Genera
The relay uses DC 12V, so it's a straightforward pick for small machines and lights.
What stands out about this relay is the DC 12V input, making it easy to test quickly.
A nice touch is that DC 12V power keeps noise quiet environments.