This voltage regulator can work on 12, 24 and 48 volts systems as a solar PV charge regulator or with hybrid (Solar PV, wind and micro hydro) systems as a diversion load regulator. Rated for 40 amps. If you are in the market for a voltage regulator you will want to match it to a suitable water element so you can divert your surplus power to hot water. Water element supplied in 12, 24 or 48 volts for 500, 1000 and 2000 watts respectively. Buy both together and save. www.xantrex.com
Please specify which voltage you require.