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C120H 3P C63A

The Schneider Electric C120H 3‑Pole C63A is a three‑pole miniature circuit breaker (MCB) designed for low‑voltage three‑phase AC electrical distribution systems.

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Specifications General Product Type: Miniature Circuit Breaker (MCB) Series / Family: C120H Model: 3P C63A Number of Poles: 3 (three phases) Rated Current (In): 63 A Trip Curve / Characteristic: Type C (moderate inrush) Mounting: DIN‑rail (35 mm) compatible Application: Protection of low‑voltage three‑phase circuits in commercial and industrial installations Electrical Ratings Rated Operational Voltage (Ue): 230/400 V AC (three‑phase) Rated Frequency: 50/60 Hz Rated Insulation Voltage (Ui): 500 V Rated Impulse Withstand Voltage (Uimp): 4 kV Rated Short‑Circuit Breaking Capacity (Icn): Typically 10 kA (depending on regional variant) Utilization Category: AC Protection & Trip Characteristics Overload Protection: Thermal element protects against prolonged overload Short‑Circuit Protection: Magnetic element responds rapidly to short‑circuit currents Tripping Behavior: Type C: Trips between 5 × In and 10 × In allowing for moderate inrush current without nuisance tripping Mechanical & Environmental Terminal Connections: Screw terminals for secure conductor attachment Mechanical Durability: Designed for repeated switching operations over long service life Operating Temperature Range: Standard indoor ambient conditions Design: Compact modular housing for efficient panel integration