Fuji Electric BU-ECA3040 is a 3-pole molded‑case circuit breaker rated at 40 A. The BU‑ECA3040 model identifies a three‑pole device from Fuji Electric designed to provide overcurrent protection for three‑phase circuits in electrical panels or switchgear. This molded‑case breaker is intended for compact protection in distribution and control applications within industrial electrical systems.
