Identify these connectors

Current inputs to a protection relay.

Stacked I/O plugs on a protection relay - 16-pin and 8-pin types

Trying to build a training lab with some old relays, but need some parts to get em up n runnin.

Thank you!

Hello shanculbertson,

Welcome to the DigiKey TechForum.
Measurements and pin spacings would of sped up the search, but I was unable to find any matches to these connectors.
These connectors may of been specially made for this device.