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The 4‑Pole 400A Circuit Breaker is a premium electrical protection device designed for large-scale four-phase systems. With its rugged molded case, copper internal components, and advanced thermal-magnetic trip mechanism, it ensures safe, stable, and efficient circuit interruption for industrial, commercial, and heavy-duty applications. The extra pole provides neutral line switching, enhancing safety in complex installations.
✅ Rated Current: 400 Amps
✅ Rated Voltage: AC 380V
✅ Poles: 4 (Three-phase + Neutral)
✅ Breaking Capacity: 35–65 kA (depending on brand)
✅ Material: ABS + Copper for durability and conductivity
✅ Safety Design: Thermal-magnetic trip, anti-shock casing, firm contact points
✅ Applications: Generator systems, industrial machinery, heavy-duty power distribution, large commercial facilities
1 × 4P 400A Circuit Breaker
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