eBay
 Honeywell R8222 D 1014 DPDT General Purpose Relay
Coil: 24 V, 50/60 Hz
277 Vac: 15 Amp Resistive
480 Vac: 10 Amp Resistive
Dpdt Switching
1/4 inch quick-connect terminals
Replaces 90-340 and others

Manual is included
Item is brand new, but the box is slightly worn out.