On the cheap side, Square D QO. They are indeed rated to 48VDC, which means you can use them with a 24v system (but NOT a 48v system). If there is an inverter too, the Midnite mini-panel ($160 with main breaker) and DIN-rail DC breakers.
Dan Fink, Executive Director; Otherpower Buckville Energy Consulting Buckville Publications LLC NABCEP / IREC accredited Continuing Education Providers 970.672.4342 (voicemail)
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