This is a BRAND NEW Universal 24 Volt AC (VAC) Zettler Relay with a 24 Volt DC Coil.  The Zettler Part # is AZ2280-1C-24AF.  This relay has a 24 Volt AC coil, but will accept either DC or AC voltage passing through the contact relays.  Thanks for looking and good luck!

ZETTLER MINI POWER RELAY AZ2280-1C-24AF 

30A 277VAC 28VDC NEW

Nominal coil VAC: 24
Must operate VAC: 20.4
Max continuous VAC: 27.6
Coil resistance +/- 10%: 100