TAIXI DC1000V MCB Solar Circuit Breaker Specifications and Protection Features
The DC1000V MCB accommodates multiple amperage configurations including 20A, 25A, 30A, 40A, 50A, 60A, 100A, and 120A ratings, allowing precise system matching for diverse battery and solar installations. Rated for direct current operation up to 1000V, this breaker protects photovoltaic arrays, lithium and lead-acid battery banks, and EV charging infrastructure against overcurrent events that would otherwise damage connected equipment. The overload and short circuit protection mechanism responds instantaneously when fault conditions exceed the rated amperage threshold, disconnecting the circuit before thermal or electrical damage occurs to wiring and components. Construction materials withstand both indoor mounting in electrical panels and outdoor exposure in solar disconnect enclosures, delivering consistent performance across temperature and humidity variations. TAIXI engineered this DC1000V MCB with industrial-grade contacts and mechanical reliability to meet the demanding duty cycles of renewable energy systems where downtime directly impacts energy generation.











AliExpress Shopper –
The product arrived within the time indicated by the seller. Everything as requested and well packaged. Once I install them, I will be able to attest to their quality 👍
B***s –
So far so good. Used with a 2awg cable for a 4k backup system
AliExpress Shopper –
Excellent performance and arrived super fast
AliExpress Shopper –
Well that was fast. this was my first time using alli and this seller left a good impression
D***z –
Very good breakers, of all the ones I have bought, these are the best. I recommend them for electrical and photovoltaic installations.