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F4S 3200A

The ABB F4S 3200 A is a low‑voltage fixed‑frame air circuit breaker designed for protection and switching of three‑phase power distribution systems up to 3200 A. This breaker is suitable for use as a main or feeder protection device in industrial and commercial electrical installations where robust overload, short‑circuit, and fault protection is required.

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Technical Parameters Specification Details Product Type Low‑Voltage Air Circuit Breaker (ACB) Series / Model F4S 3200 A Rated Current (In) 3200 A Number of Poles 4‑pole (three‑phase + N) Rated Operational Voltage Up to 1000 V AC/DC (depending on version and trip unit) Protection Capabilities Overload, short‑circuit, and fault protection with adjustable trip units Trip Unit Options Electronic trip units (PR series such as PR122 / PR123) configurable for protection curves Rated Insulation Voltage (Ui) Typically 1000 V Rated Impulse Withstand Voltage (Uimp) High industrial impulse withstand (e.g., ~6–12 kV, product dependent) Control and Auxiliary Integration Support for auxiliary contacts, shunt releases, under‑voltage releases, and motor operators Mounting Type Fixed installation in switchgear or power distribution panel Terminal Type Bolted or clamp main terminals Standards Compliance IEC/EN 60947‑2 and related global electrical safety standards Typical Short‑Circuit Breaking Capacity High breaking capacity suitable for industrial systems (specific kA rating depends on region and trip unit) Mechanical Durability Designed for high cycle life in heavy‑duty use Applications Main and feeder protection in industrial, commercial, and infrastructure electrical distribution