You will find that this power relay suits both small boxes and larger panels with ease.
WESTINGHOUSE BF55F CONTROL RELAY 765A959G01
A nice touch is the model DEK-OE- 12DC/ 48DC/100.
You brand NOVITA is printed on the side, which helps if you keep spare parts.
Many people notice the Formiden brand stamped on the side, which is a nice touch for identification.
this unit carries the Potter name, a detail many electricians appreciate when matching parts on a panel.