Help Identifying This Allen Bradley... Thingy

I’m hoping someone can help me out on this one… I can usually figure out the purpose of a device by playing around with it, but on this one I’m stumped.

This looks to be an Allen Bradley contactor of some sort, but I can’t figure out the model # or purpose of the device. I figure it was probably application-specific so there won’t be an exact model #, but I’d at least like to know what it does. There’s a transformer, contactor, and 3A fuse that are all wired together in some fashion.

This was originally connected to an Edwards 872-N5 120V horn and was wired into a (long-gone) piece of machinery. The exact wiring configuration when it was removed, I do not remember.

Any help is greatly appreciated!

If memory serves me correctly, Allen Bradley makes power supplies for industrial applications. I think they are now owned by Rockwell Automation.
This is definitely a custom-made for the job device.

Looks to me like some type of switched-mode power supply.