Relay Contact Ratings
Up to 30VAC, 1A Resistive Load, 0.1A Inductive Load
Up to 30VDC, 1A Resistive Load, 0.2A Inductive Load
Depending on the current draw of your solenoids you may need to use some external relays, SSRs, or triacs to do the switching.
Not sure how you are switching them with those line voltage relays unless you are switching individual power supplies that power them.