TOMZN 4P DC MCB TOB7Z-63 1000V Solar PV System Mini Circuit Breaker
The TOMZN TOB7Z‑63 4‑Pole DC Miniature Circuit Breaker is high‑voltage DC protection device designed for solar photovoltaic (PV) systems, energy storage (ESS), telecommunication DC power, and other DC electrical applications. It is rated for up to 1000 V DC and available in various current ratings (e.g., 16 A, 20 A, 32 A, 63 A) to suit different system needs. This DC MCB provides dependable overload and short‑circuit protection for direct current circuits, ensuring safety and reducing the risk of equipment damage. Its 4‑pole design offers comprehensive isolation and protection across DC lines, and the compact, DIN‑rail mountable construction makes installation easy in PV combiner boxes and DC panels.










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