TOMZN 4P AC MCB TOB1-63H C type 230/400V~ 50/60Hz Mini Circuit Breaker
The TOMZN TOB1‑63H 4‑Pole AC Mini Circuit Breaker is a C‑type protection device designed for 230/400 V AC electrical systems at 50/60 Hz. It provides reliable overload and short‑circuit protection for three‑phase + neutral (4P) circuits in residential, commercial, and industrial installations. Built with a compact, robust flame‑resistant body, this MCB ensures long‑lasting performance and easy DIN‑rail mounting while meeting standard safety requirements for low‑voltage power distribution systems.














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