If you are going to use that plug and are adapting .... down sizing the delivery wire from 8 to 10 or actually 12 gauge 12 gives you 20 amps .
Either way you may want to replace the breaker to match the lowest size wire feeding your lights. Does that make sense? My delivery needs work
looked up specs Looks like max ratings to me definitely not the weak link in your lighting control. If you are unsure or wanted verification i would highly endorse shooting the company an email if nothing more than for piece of mind.